Calflora, a 501c3 non-profit
Distribution by County   7863    
Streptanthus tortuosus  Kellogg  var. tortuosus 
Mountain jewelflower,   Shieldplant
Streptanthus tortuosus var. tortuosus is an annual or perennial herb that is native to California.
Record Count by County

Alpine: 3 Inyo: 2 Napa: 2 Sonoma: 3
Amador: 6 Lake: 2 Nevada: 4 Trinity: 19
Butte: 38 Los Angeles: 1 Placer: 1 Tulare: 7
Calaveras: 3 Madera: 5 Plumas: 15 Tuolumne: 19
Del Norte: 3 Mariposa: 10 San Luis Obispo: 1 Yuba: 4
El Dorado: 5 Mendocino: 5 Shasta: 21
Fresno: 10 Mono: 2 Sierra: 9
Humboldt: 21 Monterey: 8 Siskiyou: 20

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]. 2025. The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: 11/12/2025).