Distribution: Endemic to Chelan County in Washington.
Habitat: Among sagebrush on rocky hillsides.
Flowers: May
Origin: Native
Growth Duration: Perennial
Conservation Status: Endangered in Washington (WANHP)
Pollination: Bumblebees, bees, butterflies
Robust perennial from a woody taproot and crown, the stems decumbent, 2-4.5 dm. tall, grayish-woolly throughout with curly hairs.
Robust perennial from a woody taproot and crown, the stems decumbent, 2-4.5 dm. tall, grayish-woolly throughout with curly hairs.
Robust perennial from a woody taproot and crown, the stems decumbent, 2-4.5 dm. tall, grayish-woolly throughout with curly hairs.
pendulous, with a stipe 5-7 mm. long, the body ellipsoid, curved, wedge-shaped at both ends, 24-27 mm. long and 4-5 mm. thick, 1-celled, the fleshy valves becoming leathery.
PNW Herbaria: Specimen records of Astragalus sinuatus in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Astragalus sinuatus checklist entry
OregonFlora: Astragalus sinuatus information
E-Flora BC: Astragalus sinuatus atlas page
CalPhotos: Astragalus sinuatus photos