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

被引：3

作者：

Dong, Li-Na ^{[1
]}

Nguyen, Khang Sinh ^{[2
]}

Shui, Yu-Min ^{[3
]}

Hieu Quang Nguyen ^{[4
]}

Xu, Wei-Bin ^{[1
]}

Nguyen, Xuan Khu ^{[5
]}

机构：

[1] Guangxi Zhuang Autonomous Reg & Chinese Acad Sci, Guangxi Inst Bot, Guangxi Key Lab Plant Conservat & Restorat Ecol K, Guilin 541006, Guangxi, Peoples R China

[2] Vietnam Acad Sci & Technol, Inst Ecol & Biol Resources, 18 Hoang Quoc Viet Rd, Hanoi 100000, Vietnam

[3] Chinese Acad Sci, Kunming Inst Bot, CAS Key Lab Plant Divers & Biogeog East Asia, Kunming 650201, Yunnan, Peoples R China

[4] Vietnam Union Sci & Technol Assoc, Ctr Plant Conservat Vietnam CPC, 25-32 Lane 191,Lac Long Quan Rd, Hanoi, Vietnam

[5] Cat Ba Natl Pk, Cat Hai, Hai Phong, Vietnam

来源：

PHYTOKEYS | 2021年 / 179期

基金：

中国国家自然科学基金;

关键词：

Begonia; Cat Ba; endangered plant; new species; Vietnam; LIMESTONE AREAS; GUANGXI;

D O I：

10.3897/phytokeys.179.65812

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

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).

引用

页码：1 / 12

页数：12

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