| 词条 | Astragalus preussii |
| 释义 |
|image = |name = Astragalus preussii |regnum = Plantae |unranked_divisio = Angiosperms |unranked_classis = Eudicots |unranked_ordo = Rosids |ordo = Fabales |familia = Fabaceae |genus = Astragalus |species = A. preussii |binomial = Astragalus preussii |binomial_authority = A.Gray |}} Astragalus preussii (common name - Preuss’ milkvetch) is an annual or perennial plant in the legume family (Fabaceae) found in the Colorado Plateau and Canyonlands region of the southwestern United States.[1]{{rp|121}} DescriptionGrowth patternIt is an annual or perennial plant from {{convert|4|to|15|in|cm}} tall, growing upright from a woody base.[1]{{rp|121}} Leaves and stemsIt has compound pinnate leaves from {{Convert|1+1/2|to|15|in|cm}} long, with 7-25 {{convert|3/4|in|cm}}, elliptic leaflets.[1]{{rp|121}} Inflorescence and fruitIt blooms from March to June.[1]{{rp|121}} The inflorescence has 3-22 flowers per stalk, with a small, green, 5-lobed calyx around a tubular set of white to pink to purple petals, {{convert|3/4|in|cm}} long.[1]{{rp|121}} When dried, {{convert|3/4|in|cm}} seed pods are papery or leathery, elliptical, and are either smooth or covered with soft hairs.[1]{{rp|121}} Habitat and rangeIt only grows in soils containing Selenium.[1]{{rp|121}} Ecological and human interactionsIt is named after Charles Preuss.[1]{{rp|121}} References1. ^1 2 3 4 5 6 7 Canyon Country Wildflowers, Damian Fagan, 2nd ed., 2012, Morris Bush Publishing, LLC. in cooperation with Canyonlands Natural History Association, {{ISBN|978-0-7627-7013-7}} {{Taxonbar|from=Q15521880}} 4 : Astragalus|Flora of the Southwestern United States|Perennial plants|Flora of the Western United States |
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