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Astragalus whitneyi  A. Gray  var. siskiyouensis  (Rydb.) Barneby
Siskiyou milk vetch,   Siskiyou milkvetch
© 2019 Steve Matson
© 2023 Jamie Spielmann
© 2024 Alaine Arslan
© 2024 Alaine Arslan
© 2024 Ryan O'Dell
© 2021 Jamie Spielmann
© 2023 Jamie Spielmann
© 2019 Charles Russell
© 2024 Alaine Arslan
© 2019 Charles Russell
© 2019 Julie Kierstead Nelson
© 2019 Julie Kierstead Nelson
© 2024 Ryan O'Dell
© 2024 Ryan O'Dell
© 2024 Ryan O'Dell
© 2024 Ryan O'Dell
© 2024 Ryan O'Dell
© 2024 Ryan O'Dell
© 2022 Julie A. Kierstead
© 2022 Julie A. Kierstead
© 2019 Steve Matson
© 2019 Steve Matson
© 2019 Steve Matson
© 2021 Julie A. Kierstead
© 2011 Steve Matson
© 2011 Steve Matson
© 2011 Steve Matson
© 2011 Steve Matson
© 2011 Steve Matson
© 2011 Steve Matson
© 2011 Steve Matson
© 2011 Steve Matson
© 2021 Jamie Spielmann
© 2022 Julie A. Kierstead
© 2022 Julie A. Kierstead
© 2019 Julie Kierstead Nelson
Astragalus whitneyi var. siskiyouensis is a perennial herb that is native to California.
Siskiyou Del Norte Modoc Humboldt Shasta Lassen Trinity Plumas Tehama Butte Mendocino Glenn Sierra Yuba Lake Nevada Colusa Placer Sutter El Dorado Yolo Alpine Napa Sonoma Sacramento Mono Amador Solano Calaveras Tuolumne San Joaquin Marin Contra Costa Alameda Santa Cruz Mariposa Madera San Francisco San Mateo Merced Fresno Stanislaus Santa Clara Inyo San Benito Tulare Kings Monterey San Bernardino San Luis Obispo Kern Santa Barbara Ventura Los Angeles Riverside Orange San Diego Imperial
DJJJASONAFMM

Bloom Period
Parent: Astragalus whitneyi
Genus: Astragalus
Family: Fabaceae  
Category: angiosperm  
PLANTS group:Dicot
Jepson eFlora section: eudicot

Toxicity: Do not eat any part of this plant.

Ultramafic affinity: 4.6 - broad endemic

Name Status:
Accepted by JEF + JEF + PLANTS + POWO

Alternate Names:
PLANTSAstragalus whitneyi ssp. siskiyouensis
Information about  Astragalus whitneyi var. siskiyouensis from other sources
Nursery availability from CNPLX
Commercial availability unknown.
Jepson eFlora

USDA PLANTS Profile (ASWHS)

Photos on Calflora

Photos on CalPhotos

Google Images

Photos on iNaturalist

ID Tips on PlantID.net


Suggested Citation
Calflora: Information on California plants for education, research and conservation, with data contributed by public and private institutions and individuals. [web application]. 2025. The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: 04/08/2025).