生物
兰科
大花蕙兰
花瓣
植物
花梗
花茎
根茎
分子系统发育学
萼片
系统发育树
雄蕊
遗传学
基因
花粉
作者
Diyang Zhang,Xiong-De Tu,Bin Liu,Xing‐Yu Liao,Siren Lan,Zhong‐Jian Liu
出处
期刊:Phytotaxa
[Q15088586]
日期:2020-01-13
卷期号:428 (3): 271-278
被引量:5
标识
DOI:10.11646/phytotaxa.428.3.8
摘要
A new species of Cymbidium (Orchidaceae), Cymbidium biflorens, from Yunnan Province, China, is illustrated and described based on morphological and molecular evidence. Morphological comparison indicates that C. biflorens is similar to C. rhizomatosum, but differs by its leafless, coralline rhizome, normally two flowering periods, a shorter scape, inflorescence with 1–2 flowers, greenish flowers with longer pedicel and ovary, subelliptic petal, petals and lip not fully opened. Molecular analyses base on nuclear (ITS) and plastid DNA (matK and rbcL) were conducted to explore the phylogenetic position of the species. The molecular evidence supports C. biflorens as sister to C. rhizomatosum.
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