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Nomenclatural and taxonomic updates in Rourea subgen. Rourea sect. Multifoliolatae (Connaraceae)
PhytoKeys ( IF 1.4 ) Pub Date : 2020-12-08 , DOI: 10.3897/phytokeys.169.54297
Cassio A. P. Toledo , Vinicius Castro Souza , Eve J. Lucas

The pantropical genus Rourea Aubl. (Connaraceae) is composed of ca. 70 species, most of which occur in the Neotropics. Rourea is currently subdivided into three subgenera, with the American taxa included in Rourea subgen. Rourea. Forero (1976) recognised six sections for the species of the New World, with Rourea subgen. R. sect. Multifoliolatae being exclusive to Brazil, characterised by multifoliolate leaves, relatively small leaflets and the staminal tube (0.8–)1–1.5 mm long. Following Forero’s (1976) treatment, additional botanical collections have become available in Brazilian herbaria, allowing re-evaluation of species concepts. This work recognises and revises 12 species in this section, mainly restricted to southeastern Brazil and southern Bahia. A nomenclatural and taxonomic study of these species is here presented, including an identification key, morphological descriptions, illustrations and geographic distribution maps. A new species is also described.

中文翻译:

Rourea亚基因的命名和分类更新。Rourea教派。多叶科(Connaraceae)

泛热带属Rourea Aubl。(Connaraceae)由ca. 70种,其中大多数发生在新热带。鲁雷亚目前分为三个子属,美洲类群包括在鲁雷亚子属中。Rourea。Forero(1976)用Rourea亚基因识别了六个新大陆物种。R.教派 Multifoliolatae是巴西独有的,其特征是多小叶的叶子,相对较小的小叶和耐力管(0.8–)1–1.5 mm长。在进行了Forero(1976)的处理之后,巴西植物标本中已有更多的植物收藏,从而可以重新评估物种概念。这项工作承认并修改了该部分中的12种,主要限于巴西东南部和巴伊亚州南部。本文介绍了这些物种的命名和分类学研究,包括识别码,形态描述,插图和地理分布图。还描述了一个新物种。
更新日期:2020-12-08
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