Calflora
Taxon  Report   1328    
Calycadenia truncata  DC.
Rosin weed
Calycadenia truncata, a dicot, is an annual herb that is native to California, is also found outside of California, but is confined to 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: ASTERACEAE  
Genus: Calycadenia

Ultramafic affinity: 2.1; (weak indicator)

Communities: Foothill Woodland, Chaparral, Yellow Pine Forest

Name Status:
Accepted by JEF + PLANTS

Alternate Names:
JEF: Calycadenia truncata ssp. scabrella
ICPN: Calycadenia truncata ssp. truncata
More information about  Calycadenia truncata

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]. 2020. Berkeley, California: The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: Sep 21, 2020).