Meiogyne oligocarpa (Annonaceae), a new species from Yunnan, China

被引：3
|
作者：
Xue, Bine [1 ]
Shao, Yun-Yun [2 ]
Xiao, Chun-Fen [3 ]
Liu, Ming-Fai [4 ]
Li, Yongquan [1 ]
Tan, Yun-Hong [5 ,6 ,7 ]
机构：
[1] Zhongkai Univ Agr & Engn, Coll Hort & Landscape Architecture, Guangzhou, Guangdong, Peoples R China
[2] South China Bot Garden, Guangdong Prov Key Lab Digital Bot Garden, Guangzhou, Guangdong, Peoples R China
[3] Chinese Acad Sci, Hort Dept, Xishuangbanna Trop Bot Garden, Mengla, Yunnan, Peoples R China
[4] Univ Hong Kong, Sch Biol Sci, Div Ecol & Biodivers, Hong Kong, Peoples R China
[5] Chinese Acad Sci, Southeast Asia Biodivers Res Inst, Mengla, Yunnan, Peoples R China
[6] Chinese Acad Sci, Ctr Integrat Conservat, Xishuangbanna Trop Bot Garden, Mengla, Yunnan, Peoples R China
[7] Chinese Acad Sci, Ctr Conservat Biol, Core Bot Gardens, Mengla, Yunnan, Peoples R China
来源：
PEERJ | 2021年 / 9卷
基金：
中国国家自然科学基金;
关键词：
Meiogyne; Molecular phylogeny; Taxonomy; Yunnan; China; PETALS;
D O I：
10.7717/peerj.10999
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
Meiogyne oligocarpa sp. nov. (Annonaceae) is described from Yunnan Province in Southwest China. It is easily distinguished from all previously described Meiogyne species by the possession of up to four carpels per flower, its bilobed, sparsely hairy stigma, biseriate ovules and cylindrical monocarps with a beaked apex. A phylogenetic analysis was conducted to confirm the placement of this new species within Meiogyne. Meiogyne oligocarpa represents the second species of Meiogyne in China: a key to the species of Meiogyne in China is provided to distinguish it from Meiogyne hainanensis. Paraffin sectioning was undertaken to study the anatomy of the corrugations on the inner petals of Meiogyne oligocarpa to verify whether they are glandular.
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页数：17
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