ASTRAGALUS-TORTIPES (FABACEAE), A NEW SPECIES FROM DESERT BADLANDS IN SOUTHWESTERN COLORADO AND ITS PHYLOGENETIC-RELATIONSHIPS WITHIN ASTRAGALUS

被引：3
|
作者：
ANDERSON, JL
PORTER, JM
机构：
[1] US FISH & WILDLIFE SERV,GRAND JCT,CO 81505
[2] UNIV ARIZONA,DEPT ECOL & EVOLUT BIOL,TUCSON,AZ 85721
来源：
SYSTEMATIC BOTANY | 1994年 / 19卷 / 01期
关键词：
D O I：
10.2307/2419716
中图分类号：
Q94 [植物学];
学科分类号：
071001 ;
摘要：
Astragalus tortipes is a new species from the southern flank of Sleeping Ute Mountain in southwestern Colorado that grows with mixed desert scrub on Mancos Shale badlands overlain by pediment gravel. Based on phylogenetic estimations using parsimony, the new species is placed as a member of Barneby's sect. Lonchocarpi subsect. Lonchocarpi and is compared morphologically to other astragali. Astragalus tortipes is characterized by its hyper-reflexed pod, a character unique in North American Astragalus.
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页码：116 / 125
页数：10
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