-
Two new species and new synonyms in Microlicieae (Melastomataceae) from Minas Gerais, Brazil Brittonia (IF 0.653) Pub Date : 2021-01-22 Ricardo Pacifico, Frank Almeda, Karina Fidanza
Two species of the neotropical genus Microlicia are proposed as new (M. barretoana and M. longifolia), both of which occur only in the state of Minas Gerais, Brazil. Additionally, Trembleya botaensis and T. purpurascens are recognized as new heterotypic synonyms under M. curralensis, for which an updated morphological description is presented. Comments on diagnostic features, distribution, habitat
-
Rediscovering the genus Lubaria (Rutaceae: Galipeinae), a new species and first record for Colombia Brittonia (IF 0.653) Pub Date : 2021-01-19 Yeison Londoño-Echeverri, Ana M. Trujillo-López, Jorge A. Pérez-Zabala
A new species from the northern foothills of the central Andes of Colombia belonging to the previously monotypic genus Lubaria (Sapindales: Rutaceae) is here described and illustrated; comments about its distribution, habitat and conservation status are made. Named L. heterophylla, it differs from L. aroensis by its trifoliolate leaves (one of the two at a node is smaller and frequently bifoliolate
-
Notes on Zanthoxylum magnifructum (Rutaceae), a recently described species from tropical dry forest in Colombia: floral morphology, geographical distribution and sexual dimorphism Brittonia (IF 0.653) Pub Date : 2021-01-14 Yeison Londoño-Echeverri, Álvaro Idárraga-Piedrahíta, Jáider Jiménez-Montoya
Zanthoxylum magnifructum is a recently described species based on only a fruiting specimen collected in tropical dry forests in the department of Huila in Colombia. An emended description and illustration are presented, including flowers and seeds, which were previously unknown. Comments on its geographical distribution, conservation status, taxonomic affinities, and sexual dimorphism are made. A key
-
Two new species of Merostachys (Poaceae: Bambusoideae: Bambuseae) from the Brazilian Atlantic Forest in the states of Espírito Santo and Minas Gerais Brittonia (IF 0.653) Pub Date : 2021-01-14 Ronaldo Vinícius-Silva, Lynn G. Clark, Jéferson Nunes Fregonezi, Ana Paula Santos-Gonçalves
Merostachys is one of the more species-rich genera of Neotropical woody bamboos. It includes about 55 described species, of which 44 are found in the Brazilian Atlantic Forest, the center of diversity and endemism of the genus. Based on fieldwork in Minas Gerais and Espírito Santo states and morphological analyses in herbaria, we recognize two new species, Merostachys judziewiczii and M. lage-vianae
-
Leaf anatomy of Vriesea (Tillandsioideae–Bromeliaceae) Brittonia (IF 0.653) Pub Date : 2021-01-07 Christian Gomes Faria, Andressa Silva Silva, Raylla Karine Pereira de Melo, Artur Manoel Leite Medeiros, Ana Maria Donato, Andrea Ferreira da Costa, Bárbara de Sá Haiad
The Bromeliaceae are a largely Neotropical family originating in open, dry environments. Vriesea Lindl., the third largest genus of the family, is traditionally divided between two sections. About 90% of the species of the genus occur in Brazil, where the centre of diversity is the Atlantic Rainforest. Leaf morphoanatomical studies conducted on bromeliad species have confirmed the importance of structural
-
Una especie nueva de Sisyrinchium (Iridaceae: Iridioideae) de San Luis Potosí, México Brittonia (IF 0.653) Pub Date : 2021-01-06 Jacqueline Ceja-Romero, Sergio Zamudio
Se describe e ilustra una nueva especie de Sisyrinchium, endémica del estado de San Luis Potosí, México. Sisyrinchium anarosae se distingue del resto de los taxones mexicanos pertenecientes a la sección Echthronema, por su tallo floral decumbente, ramificado, que en los nudos de la porción basal del eje primario presenta hojas con características similares a las basales, que en contacto con el sustrato
-
Spore morphology of the Mexican species of the Elaphoglossum petiolatum complex (Dryopteridaceae) Brittonia (IF 0.653) Pub Date : 2021-01-06 Ana Gabriela Martínez-Becerril, Eloy Solano, Alejandra Vasco
Elaphoglossum is a taxonomically challenging fern genus with about 600 species. The present study concerns a group of five Elaphoglossum species mainly distributed in Mexico, four of which were recovered as monophyletic and are here called the Mexican-petiolatum clade (E. petiolatum, E. potosianum, E. pringlei, and E. rzedowskii). The fifth species, E. muelleri, is distributed in Central America and
-
Taxonomy of Fernseea : a Brazilian endemic and endangered genus of Bromeliaceae Brittonia (IF 0.653) Pub Date : 2020-11-17 Raquel Fernandes Monteiro
Fernseea is an endemic Atlantic rainforest genus of Bromeliaceae comprising only two species: the endangered Fernseea itatiaiae and the critically endangered Fernseea bocainensis. A taxonomic overview of Fernseea is provided, including complete morphological and leaf anatomy descriptions of its taxa and comments on their taxonomy, biogeography, and conservation status, along with a key to facilitate
-
Five new species of North American Taraxacum (Asteraceae) Brittonia (IF 0.653) Pub Date : 2020-11-17 Curtis R. Björk
Five new species of native North American Taraxacum are described: T. argilliticola, T. cordilleranum, T. lautellum, T. pugioniferum, and T. simplex, all of them from high elevation habitats or high latitudes in western Canada, mostly from British Columbia.
-
Oxalis cipoensis, a new name for the illegitimate Oxalis calcicola (Oxalidaceae) from Brazil Brittonia (IF 0.653) Pub Date : 2020-11-17 Tiago Souza Costa, James Lucas Da Costa-Lima, Cássia Mônica Sakuragui, Pedro Fiaschi
Oxalis cipoensis, nom. nov. (Oxalidaceae) is herein published as a replacement name for the illegitimate name Oxalis calcicola from Brazil, which is a later homonym of Oxalis calcicola from Guatemala.
-
Taxonomic novelties of Piper (Piperaceae) from the Amazonian slopes of the Northern Andes Brittonia (IF 0.653) Pub Date : 2020-11-17 William Trujillo, M. Alejandra Jaramillo
Three new species of Piper from the Amazon slopes of the Andes in Colombia, Piper pseudopeculiare, P. resinaense, and P. tarquiense are described and illustrated, and morphological comparisons with similar species are discussed.
-
A new Andean species of Protium . Studies in neotropical Burseraceae XXIX Brittonia (IF 0.653) Pub Date : 2020-09-08 Douglas C. Daly, Carlos Augusto Reynel-Rodríguez, Robin Fernández-Hilario
Protium oxapampae is described and illustrated. The Burseraceae are well-known for being a diverse and often dominant group in Amazonia, but this species exemplifies the under-appreciated and to a large extent undescribed diversity of the family in the Andes.
-
Additional nomenclatural and taxonomic notes in Miconieae (Melastomataceae) Brittonia (IF 0.653) Pub Date : 2020-09-08 Fabián A. Michelangeli, Renato Goldenberg, Frank Almeda, Gilberto Ocampo, Walter S. Judd, Carmen Ulloa Ulloa, Peter M. Jørgensen
In order to correct oversights and mistakes made by us while transferring species names to Miconia from other genera of the tribe Miconieae, we propose the following new names and combinations: Miconia durandii, Miconia hermogenesii, Miconia macropetala, Miconia reptans, Miconia retropila, Miconia riedeliana, Miconia trichocalyx, and Miconia verruculosa. We also discuss the nomenclatural status of
-
Reassessing the taxonomic diversity of Plagiothecium section Orthophyllum in the North American bryoflora Brittonia (IF 0.653) Pub Date : 2020-09-08 Grzegorz J. Wolski
At the beginning of the twentieth century, Plagiothecium nemorale s.l. and P. succulentum, both belonging to P. sect. Orthophyllum, were considered to be distributed across almost the entire Northern Hemisphere. However, in the mid-twentieth century these taxa were recircumscribed resulting in their exclusion from the North American bryoflora and restricting their distributions to Asia and Europe,
-
A revision of the florbella group of Miconia (Melastomataceae, Miconieae) with description of three new species Brittonia (IF 0.653) Pub Date : 2020-09-08 Fabián A. Michelangeli, Renato Goldenberg
The florbella group of Miconia is composed of four species from the central Andes that are characterized by hollow stems inhabited by ants, and pleiostemonous flowers with a calyptrate calyx. The four species are M. inusitata, and the newly described here M. cava, M. florbella, and M. valenzuelana. The combination of pleistemonous flowers and calyptrate calyces suggests that these species could be
-
Scaevola subalpina (Goodeniaceae), a new species from Mount Mantalingahan Protected Landscape, Palawan, Philippines Brittonia (IF 0.653) Pub Date : 2020-08-31 Pastor L. Malabrigo
A new species, Scaevola subalpina, is described and illustrated from the subalpine forest of Mount Mantalingahan Protected Landscape on the island of Palawan in the Philippines. The new species is most similar to Scaevola glabra, a species endemic to the Hawaiian archipelago. Both species grow at high elevations and share solitary or few-flowered inflorescences and yellow corollas but can be differentiated
-
Two new species of Myrcia sect. Reticulosae (Myrtaceae) from the campo rupestre of Minas Gerais, Brazil Brittonia (IF 0.653) Pub Date : 2020-08-17 Thiago Fernandes, Duane F. Lima, João Marcelo Alvarenga Braga
Two new species of Myrcia sect. Reticulosae, M. carassana and M. revoluta are here described and illustrated. Myrcia carassana was firstly recognized in 1908 by A. F. M. Glaziou but never validly published. This species is similar to M. venosissima but differs by reddish trichomes, inflorescences botryoid or reduced to simple dichasia with longer peduncles, obconic floral buds and calyx lobes internally
-
Lytoneuron (Pteridaceae) of Minas Gerais and Espírito Santo, Brazil, including three new combinations and descriptions of two new taxa Brittonia (IF 0.653) Pub Date : 2020-08-15 Nayara S. Smith-Braga, Pedro B. Schwartsburd
In the Brazilian states of Minas Gerais and Espírito Santo, 11 species of Lytoneuron occur, of which one is new to science, L. poseidonii. Besides the 11 species, we also recognize two varieties, of which one is new, L. columbinum var. caparaoense. We also make three new combinations: L. columbinum, L. microphyllum, and L. ornithopus var. pygmaeum. Three species are widespread in South America, whereas
-
Begonia xochiatencana (Begoniaceae), una nueva especie de la sección Gireoudia de Guerrero, México Brittonia (IF 0.653) Pub Date : 2020-08-12 Jesús Ricardo de Santiago Gómez
Se describe e ilustra Begonia xochiatencana de la Región de La Montaña del estado de Guerrero, México, como una nueva especie para la ciencia. Aunque se encuentra claramente dentro Begonia secc. Gireoudia por su hábito rizomatoso postrado con las hojas radicantes, estípulas quilladas persistentes, flores estaminadas y pistiladas con 2 tépalos, androceo zigomórfico con estambres cuyos filamentos se
-
Two new species of Cinnamodendron (Canellaceae) from Brazil Brittonia (IF 0.653) Pub Date : 2020-08-12 Jackeline Salazar, Fábio De Barros, Marcos A. Caraballo-Ortiz
Two new species of Canellaceae from Brazil, Cinnamodendron brasiliense and Cinnamodendron catarinense, are here described. These species are known from the Atlantic Forest in the States of São Paulo (southeastern Brazil) and Santa Catarina (southern Brazil), respectively. Cinnamodendron brasiliense shares morphological similarities with C. occhionianum, but it can be distinguished by being a shrub
-
Species delimitation in the Echinocereus pulchellus complex (Cactaceae) Brittonia (IF 0.653) Pub Date : 2020-08-12 Daniel Sánchez, David Gómez-Quintero, Ofelia Vargas-Ponce, Pablo Carrillo-Reyes, Patricia Dávila-Aranda
Species delimitation in Cactaceae is a challenging task due to the proliferation of species and subspecies names. Echinocereus pulchellus occurs across a wide geographical range in Mexico and presents numerous polymorphisms. The species complex has been considered to comprise five subspecies. In the present work, we analyze morphological variation across the E. pulchellus complex to establish the taxonomic
-
Five new species of Campyloneurum (Polypodiaceae) from Jamaica, Colombia, and Ecuador Brittonia (IF 0.653) Pub Date : 2020-08-10 Paulo H. Labiak, R. C. Moran
Five new species of Campyloneurum are described: C. castaneum, C. filiforme, C. jamaicense, C. parvisquama, and C. pichinchae. Each is illustrated and compared to similar species. Distribution maps are given for each. This brings the number of generally accepted species in the genus to about 65.
-
A first record of Loricalepis (Melastomataceae) from the Brazilian Atlantic Forest, with the description of a new species from Bahia Brittonia (IF 0.653) Pub Date : 2020-07-29 Renato Goldenberg, Fabian A. Michelangeli, André M. Amorim
Loricalepis has been known from only three collections from the upper Rio Negro, in Amazonas, Brazil, and the Río Guainía basin, in Colombia, all belonging to a single species, L. duckei. Its capsular fruits and cochleate, tuberculate seeds suggest its relation to pantropical “core Melastomeae”, but it does not have a particularly close morphological connection with any other genus of the tribe. Here
-
Campyloneurum atrosquamatum (Polypodiaceae), a new species from Amazonia Brittonia (IF 0.653) Pub Date : 2020-07-23 Paulo H. Labiak, Blanca León, R. C. Moran
A new species, Campyloneurum atrosquamatum, is described from the western Amazonian region of Ecuador to Bolivia, and from French Guiana and northeastern Brazilian Amazon. The new species belongs to the Repens Clade of Campyloneurum. Previously, it had been identified as C. coarctatum because of its similar lamina size and shape. An earlier phylogenetic study, however, resolved it as sister to C. fuscosquamatum
-
Two new species of Raputia (Rutaceae: Galipeinae) from Amazonian Colombia Brittonia (IF 0.653) Pub Date : 2020-07-23 Jacquelyn A. Kallunki
Two new species of Raputia (Rutaceae: Galipeinae)—R. lindosana and R. santosii—are described from the Serranía de La Lindosa and Serranía de Chiribiquete, rocky outcrops that are outliers of the Guiana Shield, in the Colombian departments of Guaviare and Caquetá, an area of high species diversity. These two new species brings the total number of Raputia to 14, of which seven are known from Colombia
-
New species of Protium sect. Tetragastris from the Andes, the Brazilian Cerrado, and Amazonia. Studies in Neotropical Burseraceae XXVIII. Brittonia (IF 0.653) Pub Date : 2020-07-15 Douglas C. Daly
Protium acrense, P. cerradicola and P. yanachagae are described and illustrated, and a key to the twelve species of Protium sect. Tetragastris is provided. Recent botanical exploration is revealing that the Andes constitute a minor center of the Burseraceae diversity that has yielded at least one new species in this section (described here). The other two, now that they have been distinguished from
-
A recircumscription of Goodyera (Orchidaceae), including the description of Paorchis gen. nov., and resurrection of Cionisaccus, Eucosia , and Salacistis Brittonia (IF 0.653) Pub Date : 2020-07-10 Matthew C. Pace
Goodyerinae is a cosmopolitan terrestrial subtribe of Orchidaceae; some currently accepted Goodyerinae genera have been suggested to be non-monophyletic, including the type genus for the subtribe, Goodyera. The polyphyly of Goodyera has been supported by multiple molecular studies, with several primarily Indomalayan and Australasian species forming distinct clades more closely related to genera such
-
Species diversity of Ficus L. sect. Americanae (Moraceae) in Acre, Brazil Brittonia (IF 0.653) Pub Date : 2020-07-02 Leandro C. Pederneiras, Andrea F. da Costa, Herison Medeiros, Nicole Mitidieri Rivera, Rafaela C. Forzza, Sergio Romaniuc-Neto, Vidal De F. Mansano
We provide a floristic and taxonomic treatment of Ficus sect. Americanae for the Brazilian state of Acre. The section is represented in Acre by 30 species. Ficus dugandii and F. pastasana are reported from Brazil for the first time. We reestablish several species, among them F. regularis (previously considered a synonym of F. trigona) and F. mathewsii and F. subapiculata (both previously considered
-
Two new species of Rhynchospora (Cyperaceae) from Bahia, Brazil, and new combinations in Rhynchospora section Pleurostachys Brittonia (IF 0.653) Pub Date : 2020-06-23 William Wayt Thomas
Recent molecular phylogenies have demonstrated that Pleurostachys (Cyperaceae) should be recognized as a section within Rhynchospora. Here all accepted species of Pleurostachys are transferred to Rhynchospora sect. Pleurostachys, five new combinations are made, and one new name provided. Rhynchospora austrobahiensis and R. contraligularis are described as new species endemic to the Atlantic forest
-
Adenocalymma albiflorum (Bignonieae, Bignoniaceae), a new combination, notes on morphology and distribution Brittonia (IF 0.653) Pub Date : 2020-06-17 Beatriz M. Gomes, Luiz Henrique M. Fonseca, Lúcia G. Lohmann, Carolyn E. B. Proença
In this study we transfer Pleonotoma albiflora to Adenocalymma based on a robust molecular phylogeny based on wide sampling of taxa and molecular markers. Morphological studies provide additional support for the placement of this taxon within Adenocalymma. Here, we make the new combination Adenocalymma albiflorum (Bignonieae, Bignoniaceae), and discuss the morphology and distribution of the species
-
Salvia rupestris (Lamiaceae), a new species endemic to Arapuá Mountain in Pernambuco State, Brazil Brittonia (IF 0.653) Pub Date : 2020-05-27 Michelle Mota, Bryan T. Drew, J. Floriano B. Pastore
Salvia rupestris (Lamiaceae), from the Caatinga region of Pernambuco State, Brazil, is described and illustrated. Photos of the specimen dissected in stereo microscope and a distribution map are provided. The new species is compared to S. fruticetorum, a morphologically allied species.
-
Taxonomic studies on Zingiberaceae of Myanmar II: Curcuma stolonifera (Subgenus Ecomatae), a new species from the northwestern region Brittonia (IF 0.653) Pub Date : 2020-05-21 Nobuyuki Tanaka, Kate Armstrong, Mu Mu Aung, Akiyo Naiki
In the course of taxonomic studies on Zingiberaceae in Myanmar, a new species of Curcuma assignable to subgenus Ecomatae was discovered in Htamanthi Wildlife Sanctuary, Sagaing Region, northwestern Myanmar. It is described and illustrated here as Curcuma stolonifera. This new species differs from other species in subgenus Ecomatae Škorničk. & Šída f. in having a combination of the following characters;
-
Hidden in the rocks: A new species of Evolvulus L. (Convolvulaceae) revealed by anatomy Brittonia (IF 0.653) Pub Date : 2020-05-14 Diego Santos, Emília Cristina Pereira de Arruda, Maria Teresa Buril
An anatomical analysis of Evolvulus glomeratus (Convolvulaceae) specimens revealed a new species endemic to a rock outcrop in Pernambuco State, which is described and illustrated herein. Evolvulus saxatilis differs from Evolvulus glomeratus based on morphological and anatomical characters, including corolla and ovary shape, presence of epidermal vesicles in the anthers, boundaries of the anticlinal walls
-
Typifications and new synonyms of South American species of Sebastiania (Euphorbiaceae), including nomenclatural clarification of the generic type Brittonia (IF 0.653) Pub Date : 2020-05-14 André Laurênio de Melo, Sarah Maria Athiê-Souza, Luciana dos Santos Dias de Oliveira, Margareth Ferreira de Sales
We present 21 new synonyms and 15 lectotypifications associated with South American species of Sebastiania. We also clarify the identity of the type species of the genus, S. brasiliensis, and make a new combination, S. ramosissima. These nomenclatural changes are based on study of the protologues and original material, of the treated species.
-
Taxonomic treatment of Connarus (Connaraceae) in the Brazilian Amazon Brittonia (IF 0.653) Pub Date : 2020-04-20 Cassio A. P. Toledo, Vinicius Castro Souza, Rubens L. G. Coelho
With approximately 75 species, about 50 of which occur in the Neotropics, Connarus is the largest genus of the pantropical family Connaraceae. It is morphologically separated from other genera of Connaraceae by its trifoliolate or imparipinnate leaves, perianth with glandular dots, a single carpel and dehiscent fruits. Here, we present an updated taxonomic treatment of Connarus in the Brazilian Amazon
-
Dos nuevas especies de Magnolia de los extremadamente amenazados bosques montanos del norte de Perú Brittonia (IF 0.653) Pub Date : 2020-04-20 Robin Fernandez-Hilario, Rosa Villanueva-Espinoza, Vinciane Fack, Sam Shanee, José Luis Marcelo-Peña
Se describen e ilustran Magnolia enepeceana y M. reynelii, dos nuevas especies de Magnoliaceae del departamento de Amazonas en Perú. Magnolia enepeciana difiere de M. llanganatensis, M. manguillo y M. morii por sus estipulas densamente seríceas, hojas glabras, hipsófilos vaginales externamente seríceos, estambres pequeños (5–6 mm de longitud) y gineceo con pocos carpelos (6–10). Magnolia reynelli es
-
Correction to: Errata for articles published in Brittonia 72(1) Brittonia (IF 0.653) Pub Date : 2020-04-17
The article "Studies in Neotropical Araliaceae. I. Resurrection of the genus Sciodaphyllum P. Browne to accommodate most New World species previously included in Schefflera J. R. Forst. and G. Forst." DOI 10.1007/s12228-019-09593-w was published with an incorrect running header.
-
New species of Microchilus and Pelexia (Orchidaceae) from the Yungas and western Amazonia of Bolivia and Peru Brittonia (IF 0.653) Pub Date : 2020-04-17 Matthew C. Pace
The Andes and adjacent regions of western Amazonia are global centers of orchid diversity. Among the Andean countries, Bolivia remains the least well characterized as to its orchid flora, probably containing many new species awaiting description. During systematic studies of Microchilus (Orchidaceae: Orchidoideae: Cranichideae: Goodyerinae) and Pelexia (Orchidaceae: Orchidoideae: Cranichideae: Spiranthinae)
-
Dos especies nuevas de Asparagaceae (Agavoideae) de los estados de Guanajuato y Querétaro, México Brittonia (IF 0.653) Pub Date : 2020-04-15 Sergio Zamudio, Gabriela Aguilar-Gutiérrez
Se describen e ilustran dos especies nuevas de Asparagaceae, procedentes de la porción sur de la Sierra Madre Oriental en los estados de Guanajuato y Querétaro, México. Agave muxii proveniente del estado de Querétaro se incluye en Agave, subgénero Littaea, sección Choritepalae, ésta se distingue de las otras especies del grupo por su inflorescencia robusta, cubierta densamente por brácteas de color
-
Petal micromorphology and its systematic implications in Rosaceae tribe Spiraeeae Brittonia (IF 0.653) Pub Date : 2020-03-11 Jun-Ho Song, Hee-Seon Roh, Suk-Pyo Hong
We used scanning electron microscopy to describe petal epidermal cell patterns and evaluate their systematic implications for 22 representative taxa belonging to all 9 genera of the Rosaceae tribe Spiraeeae, including the monotypic Korean genus Pentactina. Characters of both the adaxial and abaxial surfaces of the petal epidermis, including cell type (papillose conical cells, papillose knobby rugose
-
The curious distribution of the dwarf Brazilian tree fern, Neoblechnum brasiliense (Blechnaceae): New country records and a significant range extension Brittonia (IF 0.653) Pub Date : 2020-03-06 Steven W. Brewer, Guadalupe Cornejo-Tenorio, Guillermo Ibarra-Manríquez
Neoblechnum brasiliense (Blechnaceae) is common and widespread in South America but has been known from Mesoamerica by only one collection from Guatemala by Julian Steyermark in 1939. We discovered two new occurrences of the species, in Belize and Mexico, extending the range of the species over 1000 km north and west into northern Mesoamerica. We discuss possible explanations for the rarity of the
-
Begonia oleosa (Begoniaceae), the first species with glandular hairs in the section Casparya Brittonia (IF 0.653) Pub Date : 2020-02-19 Orlando Adolfo Jara-Muñoz
A new species of Begonia section Casparya from Colombia and Venezuela is described and illustrated. Begonia oleosa is closely related to Begonia toledana var. erubescens but differs mainly by its glandular trichomes.
-
Novelties in wild cassava ( Manihot , Euphorbiaceae) from Brazil Brittonia (IF 0.653) Pub Date : 2020-02-10 Marcos José da Silva, Uglâinia Sardinha do Amaral
Ongoing taxonomic studies on Manihot in Brazil based on field collections and herbarium consultations led us to describe a new species and to make other taxonomic and nomenclatural changes in the genus. Manihot minimiflora is described and illustrated as a new species from Tocantins state in northern Brazil. Along with M. sagittatopartita and M. acuminatissima, it has the smallest flowers in the genus
-
A new species of Lindsaea (Lindsaeaceae) from the Brazilian Amazon Brittonia (IF 0.653) Pub Date : 2020-02-05 Marcos Benigno Silva Martins, Bruno De Cássio Da Costa Lima, Ramon Batista Calliari, Pedro Gonçalves Moraes-Neto, Jeferson Miranda Costa, Márcio Roberto Pietrobom
A new species, Lindsaea pietrobomii (Lindsaeaceae), from the Brazilian Amazon is described and illustrated. It differs from the other simple-bladed species of the genus by having the base of the leaf blades obtuse when juvenile and cuneate when mature (never with sinus), the blades flabellate, and the costa up to one-fifth the blade length. An identification key for the simple-bladed species of Lindsaea
-
Studies in Neotropical Araliaceae. III. Resurrection of the New World genus Didymopanax Decne. & Planch., previously included in Schefflera (Araliaceae) Brittonia (IF 0.653) Pub Date : 2020-01-23 Pedro Fiaschi, Porter P. Lowry, Gregory M. Plunkett
Didymopanax had been recognized for at least a century as the only genus of Araliaceae in the Americas with bicarpellate ovaries, but in recent decades, it had been treated in synonymy under Schefflera, where it has been recognized as an informal group. During this time, several new species belonging to the group were described under Schefflera, but there has been a growing understanding over the past
-
A revision of Thespesia and allied genera in Tribe Gossypieae (Malvaceae-Malvoideae) Brittonia (IF 0.653) Pub Date : 2020-01-02 Fabiola Areces-Berazain, James D. Ackerman
The pantropical genus Thespesia and its allied genera Azanza, Cephalohibiscus and Lebronnecia are revised. We recognize 14 species in Thespesia, two in Azanza and one each in Cephalohibiscus and Lebronnecia. A new combination, Azanza thespesioides var. flaviflora, is made. Lectotypes are designated for: Thespesia banalo, T. danis, T. danisvar.grandibracteata, T. danisvar.somalica, T. debeerstii, T
-
Psidium pulcherrimum (Myrtaceae, Myrteae), a new species from Bahia, Brazil Brittonia (IF 0.653) Pub Date : 2019-12-17 Amélia Carlos Tuler, Calmito Miranda Costa, Tatiana Tavares Carrijo, Ariane Luna Peixoto
A new species, Psidium pulcherrimum, is described herein. It is known only from an arid ecotone region of Bahia, Brazil. Information on its conservation status, distribution, and phenology are provided.
-
A new species of Eremitis (Poaceae, Bambusoideae) from Rio Doce State Park, Minas Gerais, Brazil, marks the furthest inland distribution of the genus Brittonia (IF 0.653) Pub Date : 2019-12-16 Fabrício Moreira Ferreira, Cassiano A. Dorneles Welker, Ana Paula Santos-Gonçalves, Lynn G. Clark, Reyjane P. Oliveira
The bamboo genus Eremitis is one of the three genera of Parianinae, a subtribe within tribe Olyreae (Poaceae, Bambusoideae). As now understood, Eremitis includes six described species. While surveying the bamboos of Rio Doce State Park, some populations of Eremitis were collected and identified as E. parviflora. However, as part of a taxonomic revision of the genus, these specimens are now recognized
-
Selaginella moraniana (Selaginellaceae – Lycopodiophyta): A new articulate species with puberulent lateral leaves from northwestern South America Brittonia (IF 0.653) Pub Date : 2019-12-16 Iván A. Valdespino, Christian A. López
Selaginella moraniana, a new articulate species from Colombia and Ecuador is described and illustrated, and a conservation assessment is provided. The species is terrestrial or epipetric on riverbanks, often growing as a rheophyte, at low to mid elevations in primary and secondary tropical humid forests. It is morphologically related to S. atirrensis and S. lingulata, from which it differs by the margins
-
Breutelia tundrae (Bartramiaceae), a new moss species from the Cape Horn Archipelago (Prov. Antártica Chilena, Chile) Brittonia (IF 0.653) Pub Date : 2019-12-16 William R. Buck
Breutelia tundrae is newly described from southernmost Chile. It seems to be restricted to the Magellanic tundra, and thus its name. It is distinguished by the expanded, appressed leaf base, often with lax cells at the shoulders, widest well above the insertion, with only scant alar differentiation. The upper laminal cells are long-rectangular, very thick-walled, and porose. It seems closest to the
-
Taxonomic novelties in Myrosmodes (Orchidaceae) from the northwestern Argentine Andes Brittonia (IF 0.653) Pub Date : 2019-12-05 María A. Monsalvo, Marcela I. Sánchez, Renée H. Fortunato
Myrosmodes noemiae (Orchidaceae), a new species from the Puna biome in the high northwestern Argentine Andes, is described and illustrated. This species is currently known from a single population; its habitat, a distribution map, and a key to distinguish it from other species of Myrosmodes growing in the Andean region are presented. In addition, we present an updated distribution of M. gymnandra,
-
Anemia brunnea (Anemiaceae), a new species from Central Brazil Brittonia (IF 0.653) Pub Date : 2019-11-25 Jefferson Prado, Regina Y. Hirai
Anemia brunnea, a new and endemic species of A. subg. Anemia, is described, discussed, and illustrated. A key to distinguish the most similar morphological species is also presented.
-
Rhynchospora belizensis (Cyperaceae), a new species of Rhynchospora sect. Tenues from Belize Brittonia (IF 0.653) Pub Date : 2019-11-25 Robert F. C. Naczi, Pedro J. S. Silva Filho, Mark T. Strong, Wm. Wayt Thomas
The new species, Rhynchospora belizensis, is described, illustrated, and compared with phylogenetically closely related and morphologically similar species. Rhynchospora belizensis is known only from southern Belize, where it inhabits sunny, very wet, nutrient-poor, peaty ground of graminoid-dominated, gently sloping hillside seepages. It is unique in its combination of great height, aristate scales
-
Studies in Neotropical Araliaceae. I. Resurrection of the genus Sciodaphyllum P. Browne to accommodate most New World species previously included in Schefflera J. R. Forst. & G. Forst. Brittonia (IF 0.653) Pub Date : 2019-11-19 Porter P. Lowry II, Gregory M. Plunkett, M. Marcela Mora, Asunción Cano, Pedro Fiaschi, David G. Frodin, Roy E. Gereau, Álvaro Idárraga-Piedrahíta, Jáider Jiménez-Montoya, J. Moisés F. Mendoza, David A. Neill, Orlando Rivera-Diaz, Carlos Rodrigues-Vaz
Phylogenetic studies have shown that Schefflera, the largest genus of Araliaceae, is highly polyphyletic, comprising five non-sister clades within the family, and that the generic name must be restricted to a small group of Pacific Island species. In an effort to establish monophyletic genera for the other elements still remaining in Schefflera, phylogenetic analyses of the large Neotropical clade
-
New species and a new lectotypifications in Forsteronia (Apocynaceae, Mesechiteae) Brittonia (IF 0.653) Pub Date : 2019-11-07 Bruce F. Hansen,J. Francisco Morales
Four new species of Forsteronia are described and illustrated, a distribution map and a key for the species of Forsteronia in Brazil provided, and Forsteronia myriantha lectotypified. Forsteronia manausana resembles F. brevifolia , but differs by its glabrous filaments and smaller leaves. Forstersonia nitida shows affinity to F. tarapotensis but is distinguished by the combination of subcoriaceous
-
Eugenia harkerae (Myrtaceae), a new species from Jalisco, Mexico Brittonia (IF 0.653) Pub Date : 2019-10-24 Erandi Sánchez-Chávez,Sergio Zamudio
Eugenia harkerae is here described as new from Jalisco, Mexico. It is morphologically similar to E. oerstediana and E. turneri ; however, it differs by its pubescent branchlets with brownish hairs, uniflorous pendant inflorescences, peduncles of 1.5–3 cm long, and glabrous hypanthia.
-
Otoba vespertilio (Myristicaceae), una especie nueva de Mesoamérica Brittonia (IF 0.653) Pub Date : 2019-09-03 Daniel Santamaría-Aguilar,José Esteban Jiménez,Reinaldo Aguilar
Otoba vespertilio , a new endemic tree species from the Caribbean slope of Costa Rica and Panama, is described and illustrated. This species is similar to O. cyclobasis , but differs in having leaf blades with 6–8 secondary veins per side (vs. 14–17) and staminate flowers with the pedicel 2–3.6 mm long (vs. 4–5 mm) and without an extrastaminal disc surrounding the base of the staminal column (vs. extrastaminal
-
Rubachia O.Berg (Myrtaceae) is a synonym of Plinia instead of Myrcia Brittonia (IF 0.653) Pub Date : 2019-09-03 Matheus F. Santos, Eve Lucas
Rubachia has usually been synonymized within Marlierea, which in turn is now considered to be a synonym of Myrcia (the only genus of the Myrcia group). However, the type of Rubachia is a species now placed in Plinia (Plinia spiciflora), making Rubachia a synonym of Plinia (part of the Plinia group), a fact that has been largely overlooked. The taxonomic status of Rubachia is here clarified.
-
Bletia santosii (Orchidaceae), una especie nueva para Sinaloa, México Brittonia (IF 0.653) Pub Date : 2019-08-26 Heriberto Ávila-González,Jesús Guadalupe González-Gallegos,Arturo Castro-Castro,Jaciel Rubio-Cardoza
Bletia santosii , a new species from Sinaloa, Mexico, is described and illustrated. Morphologically, B. santosii is similar to B. parkinsonii and B. mixtecana . However, it differs consistently from those species in multiple aspects of its morphology, as well as in habitat preferences and phenology. It was discovered while carrying out a floristic inventory of El Palmito Sanctuary, a natural protected
-
A new combination in Monteverdia (Celastraceae) Brittonia (IF 0.653) Pub Date : 2019-08-16 Leonardo Biral
A new combination, Monteverdia guyanensis, is provided. This combination is necessitated by a recently published new generic classification that treats species formerly placed in Maytenus that have fruits with coriaceous pericarp opening by two valves and white arils completely covering the seeds in the genus Monteverdia.
Contents have been reproduced by permission of the publishers.