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Morphology and molecules support the new monotypic genus Parainvolucrella (Rubiaceae) from Asia
PhytoKeys ( IF 1.4 ) Pub Date : 2021-08-03 , DOI: 10.3897/phytokeys.180.67624 Yi-Da Xu 1, 2 , Ming-Deng Yuan 1, 2 , Rui-Jiang Wang 1
PhytoKeys ( IF 1.4 ) Pub Date : 2021-08-03 , DOI: 10.3897/phytokeys.180.67624 Yi-Da Xu 1, 2 , Ming-Deng Yuan 1, 2 , Rui-Jiang Wang 1
Affiliation
Parainvolucrella R.J. Wang, a new monotypic genus for P. scabra (Wall. ex Kurz) M.D.Yuan & R.J.Wang, new combination, is segregated from the Hedyotis-Oldenlandia complex, based on morphological and molecular evidence. Phylogenetically, the new genus is sister to Scleromitrion, from which it differs by a combination of morphological characters: herbaceous habit, terminal inflorescence with subtended leaves, heterostylous flowers, indehiscent fruits and pollen with double microreticulate tectum. A key to the genera of the Hedyotis-Oldenlandia complex in China is provided for further identification.
更新日期：2021-08-03
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