Trigonotis motuoensis (Boraginaceae), a new species from Xizang, China

被引：1
|
作者：
Xu, Xue-Min [1 ]
Liu, Dan-Hui [1 ]
He, Yi [1 ]
Liu, Quan-Ru [1 ]
机构：
[1] Beijing Normal Univ, Coll Life Sci, Key Lab Biodivers Sci & Ecol Engn, Minist Educ, Beijing 100875, Peoples R China
来源：
PHYTOTAXA | 2020年 / 461卷 / 04期
基金：
中国国家自然科学基金;
关键词：
bract; morphology; taxonomy; tetrahedral nutlets; Trigonotis floribunda;
D O I：
10.11646/phytotaxa.461.4.1
中图分类号：
Q94 [植物学];
学科分类号：
071001 ;
摘要：
Trigonotis motuoensis, a distinct new species endemic to Xizang, China, is described and illustrated. It can be easily distinguished from all other known congeneric species by the ebracteate inflorescences, broadly spatulate calyx lobes and obliquely trigonous-tetrahedral nutlets that have flat bottom surface and triangular abaxial surfaces. Our molecular phylogenetic analysis based on nrITS confirmed that it belongs to Trigonotis sect. Elongatae. An updated key to the species of Trigonotis from Xizang is also provided.
引用
收藏
页码：233 / 242
页数：10
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