| 词条 | Astragalus flavus |
| 释义 |
| name = Astragalus flavus | fossil_range = | image = | image_caption = | regnum = Plantae | unranked_divisio = Angiosperms | unranked_classis = Eudicots | unranked_ordo = Rosids | ordo = Fabales | familia = Fabaceae | genus = Astragalus | species = A. flavus | binomial = Astragalus flavus | binomial_authority = Torr. & A.Gray }} Astragalus flavus (yellow milkvetch) is a perennial plant in the legume family (Fabaceae) found in the Colorado Plateau and Canyonlands region of the southwestern United States.[1]{{rp|97}} Growth patternIt is an erect or curving perennial from {{convert|2|to|12|in|cm}} tall.[1]{{rp|97}} The plant is covered with star-shaped hairs.[1]{{rp|97}} Patches of the plants in bloom may cover large areas of the ground in yellow from the flowers.[1]{{rp|97}} Stems and leaves{{convert|1|to|6|in|cm}} leaves are compound pinnate, with linear to egg shaped {{convert|1/4|to|6|in|cm}} leaflets.[1]{{rp|97}}Inflorescence and fruitThe inflorescence is born on a stalk with 6-30 flowers having a hairy calyx tube and yellow bell-shaped corolla {{convert|1/4|to|1/2|in|cm}} long.[1]{{rp|97}} "Flavus" means "yellow". It blooms from May to June.[1]{{rp|97}} Habitat and rangeIt grows in saline soil (halophyte) in salt desert shrub between about {{convert|3800|to|5400|ft|m}} in elevation.[1]{{rp|97}} 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=Q3627603}}{{Astragalus-stub}} 2 : Astragalus|Flora of the Colorado Plateau and Canyonlands region |
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