Begonia catbensis (sect. Coelocentrum, Begoniaceae), a new species from northern Vietnam

Autor: Li-Na Dong, Khang Sinh Nguyen, Yu-Min Shui, Hieu Quang Nguyen, Wei‑Bin Xu, Xuan Khu Nguyen
Jazyk: angličtina
Rok vydání: 2021
Předmět:
Zdroj: PhytoKeys, Vol 179, Iss , Pp 1-12 (2021)
Druh dokumentu: article
ISSN: 1314-2003
DOI: 10.3897/phytokeys.179.65812
Popis: Begonia catbensis, a new species in Begonia sect. Coelocentrum is described and illustrated. The new species was discovered in lowland limestone hills at Cat Ba National Park and can be easily distinguished from all its congeners by having dendritic hairs on the petiole, adaxial veins and stipules, fimbriate bracts and bracteoles, dense conical bullae on the upper surface of the leaf blade, two tepals in the pistillate flowers and a glabrescent ovary with verrucose wings. Based on IUCN Criteria, the species is currently assessed as “Endangered” (D).
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