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Taxon  Report  
Streptanthus glandulosus  Hook.  ssp. pulchellus  (Greene) Kruckeb.
Mt. Tamalpais jewel flower
Streptanthus glandulosus ssp. pulchellus is an annual herb that is native to California, and endemic (limited) to California.
California Rare Plant Rank: 1B.2 (rare, threatened, or endangered in CA and elsewhere).
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
Observation Search
(96 records)
yellowone or more occurrences
within a 7.5-minute quadrangle
bloom graphic
Bloom Period
Parent: Streptanthus glandulosus
Genus: Streptanthus
Family: Brassicaceae  
Category: angiosperm  
PLANTS group:Dicot
Jepson eFlora section: eudicot

Ultramafic affinity: 4.9 - broad endemic

Communities: Chaparral, Valley Grassland

Name Status:
Accepted by JEF + CNPS + PLANTS

Alternate Names:
JEF + PLANTSStreptanthus glandulosus var. pulchellus
Information about  Streptanthus glandulosus ssp. pulchellus from other sources
Nursery availability from CNPLX
Commercial availability unknown.
Jepson eFlora

USDA PLANTS Profile (STGLP)

Photos on Calflora

Photos on CalPhotos

Google Images

Photos on iNaturalist

ID Tips on PlantID.net

[friendsofmttam.org] Description: Streptanthus glandulosus ssp. pulchellus Brassicaceae(Rock Spg, Barth?s Retreat) Fruit at least 4 times longer than wide, generally oblong to linear; Pubescence of the lower leaves absent or simple, usually not forked, trifurcate nor dendritic; Calyx more or less urn- or flask-shaped, nearly closed at full flower, often brightly-colored; petals generally strap-shaped; Lower stems and leaves hispidp-hairy; flowers strongly tinged with reddish-violet or purple. (contributed by Mary Ann Machi)


Suggested Citation
Calflora: Information on California plants for education, research and conservation, with data contributed by public and private institutions and individuals. [web application]. 2023. Berkeley, California: The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: 06/01/2023).