Calflora, a 501c3 non-profit
Distribution by County   2655    
Delphinium nudicaule  Torr. & A. Gray
Canyon larkspur,   Red or Orange Larkspur,   Red larkspur
Delphinium nudicaule is a perennial herb that is native to California, and also found elsewhere in western North America.
Record Count by County

Alameda: 23 Lake: 65 Plumas: 98 Siskiyou: 32
Butte: 52 Lassen: 30 San Benito: 3 Solano: 16
Calaveras: 1 Marin: 96 San Luis Obispo: 26 Sonoma: 135
Colusa: 12 Mariposa: 6 San Mateo: 18 Stanislaus: 10
Contra Costa: 51 Mendocino: 94 Santa Clara: 65 Sutter: 6
Del Norte: 5 Modoc: 9 Santa Cruz: 31 Tehama: 24
Glenn: 3 Monterey: 42 Shasta: 90 Trinity: 74
Humboldt: 56 Napa: 79 Sierra: 3 Yolo: 2

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: 11/08/2025).