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Taxon  Report  
Arctotheca calendula  (L.) Levyns
Cape weed
Arctotheca calendula is an annual or perennial herb that is not native to California.
Cal-IPC rating: moderate


Note:This is the fertile form. The infertile form is Arctotheca prostrata.
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
~357 records in California
redone or more occurrences
within a 7.5-minute quadrangle
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Bloom Period
Genus: Arctotheca
Family: Asteraceae  
Category: angiosperm  
PLANTS group:Dicot
Jepson eFlora section: eudicot

Name Status:
Accepted by JEF + JEF + PLANTS + POWO
Information about  Arctotheca calendula from other sources

[CDFA] Origins and Introduction: Capeweed is native to South Africa. Capeweed may have arrived in California in a shipment of grass seed from Australia, where it is a common weed. (link added by Jessica Johnston)


Suggested Citation
Calflora: Information on California plants for education, research and conservation, with data contributed by public and private institutions and individuals. [web application]. 2025. The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: 05/17/2025).