Indigofera pseudonigrescens (Fabaceae: Papilionoideae): A new species from Sichuan, China

被引：4
作者：
Zhao, Xue-Li [1 ,2 ]
Gao, Xin-Fen [1 ]
机构：
[1] Chinese Acad Sci, Chengdu Inst Biol, Key Lab Sichuan Prov, Key Lab Mt Ecol Restorat & Bioresource Utilizat &, Chengdu 610041, Sichuan, Peoples R China
[2] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
来源：
PHYTOTAXA | 2015年 / 222卷 / 04期
基金：
中国国家自然科学基金;
关键词：
Indigofereae; ITS; Leguminosae; new species; Sichuan; NONCODING REGIONS; MODELS;
D O I：
10.11646/phytotaxa.222.4.2
中图分类号：
Q94 [植物学];
学科分类号：
071001 ;
摘要：
Indigofera pseudonigrescens (Fabaceae), a new species from Sichuan, China, is described and illustrated based on morphological and molecular evidence. The new species is morphologically similar to I. nigrescens, but differs from the latter in having shorter bracts, smaller leaflet size, and fewer leaflets whose abaxial surfaces do not become dark or black or do not have black spots when dry. Molecular analysis based on nuclear (nrITS) and plastid (ndhJ-trnF, atpF-atpH) data indicated that I. pseudonigrescens is clearly distant from I. nigrescens. The results also revealed that I. pseudonigrescens is phylogenetically close to I. delavayi which is morphologically remarkably different from I. pseudonigrescens.
引用
收藏
页码：251 / 258
页数：8
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