| 词条 | Astragalus kentrophyta |
| 释义 |
|name = Astragalus kentrophyta |image = Astragaluskentrophyta.jpg |image_caption = var. tegetarius |regnum = Plantae |unranked_divisio = Angiosperms |unranked_classis = Eudicots |unranked_ordo = Rosids |ordo = Fabales |familia = Fabaceae |genus = Astragalus |species = A. kentrophyta |binomial = Astragalus kentrophyta |binomial_authority = A.Gray |}} Astragalus kentrophyta is a species of milkvetch known by the common name spiny milkvetch. It is native to western North America from central to west Canada, to California, to New Mexico. It grows in rocky mountainous areas, such as the Sierra Nevada, and on plateaus. DescriptionThis perennial herb is somewhat variable in appearance, especially across varieties. It is generally small and low-lying, growing in spiny mats or clumps. The short stems are hairy. The small leaves are made up of smaller oval-shaped or narrow linear, spine-tipped leaflets. The inflorescence bears one to three white to pinkish purple flowers, each less than a centimeter long. The fruit is a hairy, flattened legume pod 4 to 9 millimeters in length. VarietiesThere are several varieties of Astragalus kentrophyta species, including:
References1. ^{{cite web|title=Astragalus kentrophyta Gray var. douglasii Barneby |url=http://www1.dnr.wa.gov/nhp/refdesk/fguide/pdf/astken.pdf |work=Field Guide to Selected Rare Vascular Plants of Washington |publisher=Washington Natural Heritage Program and U.S.D.I. Bureau of Land Management |accessdate=30 March 2011 |format=PDF |year=2005 |deadurl=yes |archiveurl=https://web.archive.org/web/20101104132531/http://www1.dnr.wa.gov/nhp/refdesk/fguide/pdf/astken.pdf |archivedate=4 November 2010 |df= }} External links
2 : Astragalus|Flora of North America |
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