中国秋海棠科一新记录种--小花秋海棠  

Begonia parvuliflora A.DC.,a new record of Begoniaceae from China

作　　者：王文广 申健勇 李智宏 马兴达 施济普[1] 潘杨杨 税玉民[4] Wang Wen-Guang;Shen Jian-Yong;Li Zhi-Hong;Ma Xing-Da;Shi Ji-Pu;Pan Yang-Yang;Shui Yu-Min(Xishuangbanna Tropical Botanical Garden,Chinese Academy of Sciences,Mengla,Yunnan 666303,China;Management Bureau of Caiyanghe Provincial Nature Reserve,Pu’er,Yunnan 665000,China;College of Biological&Agricultural Sciences,Honghe University,Mengzi,Yunnan 661199,China;Key Laboratory for Plant Diversity and Biogeography of East Asia,Kunming Institute of Botany,Chinese Academy of Sciences,Kunming,650201,China)

机构地区：[1]中国科学院西双版纳热带植物园,云南勐腊666303 [2]菜阳河自然保护区管理局,云南普洱665000 [3]红河学院生物科学与农学学院,云南蒙自661199 [4]中国科学院昆明植物研究所东亚植物多样性与生物地理学重点实验室,昆明650201

出　　处：《植物科学学报》2022年第5期593-597,共5页Plant Science Journal

基　　金：中国科学院西双版纳热带植物园园林园艺中心研究基金(2022);云南省林业和草原局极小种群野生植物保护项目(2022SJ07X-05)。

摘　　要：小花秋海棠(Begonia parvuliflora A.DC.)是一种罕见的球茎类草本植物,原记载分布于缅甸毛淡棉市,1869年以来从未有学者采集到,2019年该种在中国云南南部被重新发现。凭证标本保存在中国科学院西双版纳热带植物园标本馆(HITBC)。根据国际自然保护联盟(IUCN)的濒危等级评估标准,小花秋海棠为极危(CR)等级。Begonia parvuliflora A.DC.,a rare tuberous species previously known only from Myanmar,has not been recorded since 1869.In 2019,it was rediscovered in Yunnan,China.Voucher specimens were deposited at the Herbarium of Xishuangbanna Tropical Botanical Garden,Chinese Academy of Sciences(HITBC).The species is classified as Critically Endangered(CR)according to the IUCN Red List Categories and Criteria.

关 键 词：秋海棠属 新记录 球茎植物 分类学 

分 类 号：Q949.759.7[生物学—植物学]