Species Delimitation in the Symphyotrichum subulatum Group (Asteraceae) Reveals a New Species in Central Mexico

被引：2

作者：

Dahal, Sushil ^{[1
]}

Siniscalchi, Carolina M. ^{[1
,2
]}

Folk, Ryan A. ^{[1
]}

机构：

[1] Mississippi State, Dept Biol Sci, 295 Lee Blv, Mississippi State, MS 39762 USA

[2] Mississippi State Univ Lib, 395 Hardy Rd, Mississippi State, MS 39762 USA

来源：

SYSTEMATIC BOTANY | 2023年 / 48卷 / 04期

关键词：

Compositae; morphometrics; phylogenomics; Symphyotrichum subgenus Astropolium; Symphyotrichum mexicanum;

D O I：

10.1600/036364423X17000842213579

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

Symphyotrichum (Asteraceae) is a well-circumscribed genus on the basis of morphological and molecular data, but species boundaries remain poorly understood. Here, the species delimitation of the contentious Symphyotrichum subulatum group (Symphyotrichum subg. Astropolium) is illuminated using morphometric, phylogenomic, and geographical analyses. Symphyotrichum mexicanum sp. nov., a new species endemic to central Mexico, is described and distinguished from Symphyotrichum expansum based on its morphometric attributes, phylogenetic placement, geographic range, and ecological specialization.

引用

页码：595 / 607

页数：13

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