A new species of Smilax (Smilacaceae) from Yunnan, China

被引：3

作者：

Jin, Xin-Jie ^{[1
,2
]}

Chen, Yao ^{[1
,2
]}

Lee, Joongku ^{[3
]}

Qi, Zhe-Chen ^{[4
]}

Liu, Lu-Xian ^{[1
,2
]}

Li, Pan ^{[1
,2
]}

Fu, Cheng-Xin ^{[1
,2
]}

机构：

[1] Zhejiang Univ, Minist Educ, Key Lab Conservat Biol Endangered Wildlife, Hangzhou 310058, Zhejiang, Peoples R China

[2] Zhejiang Univ, Coll Life Sci, Lab Systemat & Evolutionary Bot & Biodivers, Hangzhou 310058, Zhejiang, Peoples R China

[3] Chungnam Natl Univ, Dept Environm & Forest Resources, Daejeon 34134, South Korea

[4] Zhejiang Sci Tech Univ, Coll Life Sci, Hangzhou 310018, Zhejiang, Peoples R China

来源：

PHYTOTAXA | 2016年 / 275卷 / 02期

基金：

美国国家科学基金会;

关键词：

Heterosmilax; Smilax hirtellicaulis; floral trait; phylogeny; taxonomy; PHYLOGENY;

D O I：

10.11646/phytotaxa.275.2.7

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

A new species, Smilax hirtellicaulis (Smilacaceae), from southwestern China is described and illustrated. The new species differs from all known Smilax species in its unique tepals, i.e., basally connate in male flowers but separate in female flowers. Phylogenetic analysis supports its species delimitation, and suggests a sister position to the clade of Smilax sect. Heterosmilax which have flowers with connate tepals. Their closest phylogenetic relationship and resembled flower morphology may represent an evolutionary transition from separate to united tepals in Smilax. It thus provides us an ideal model for studying the evolution and development of such an innovative floral trait.

引用

页码：159 / 167

页数：9

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