Calflora
Taxon  Report   338    
Amsonia tomentosa  Torr. & Frém.
Gray amsonia,   Woolly amsonia,   Woolly bluestar
Amsonia tomentosa, a dicot, is a perennial herb that is native to California, and also found elsewhere in western North America.
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

Bloom Period
Family: Apocynaceae  
Genus: Amsonia

Communities: Creosote Bush Scrub, Pinyon-Juniper Woodland, Joshua Tree Woodland
Name Status:
Accepted by JEF + PLANTS
Alternate Names:
JEFAmsonia brevifolia
JEFAmsonia tomentosa var. tomentosa
More information about  Amsonia tomentosa

Suggested Citation
Calflora: Information on California plants for education, research and conservation, with data contributed by public and private institutions and individuals, including the Consortium of California Herbaria. [web application]. 2022. Berkeley, California: The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: 01/20/2022).