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Taxon  Report  
Helianthus tuberosus  L.
Jerusalem artichoke
Helianthus tuberosus is a perennial herb that is not native to California.
There is a high risk of this plant becoming invasive in California according to Cal-IPC.
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
~10 records in California
redone or more occurrences
within a 7.5-minute quadrangle

Bloom Period
Genus: Helianthus
Family: Asteraceae  
Category: angiosperm  
PLANTS group:Dicot
Jepson eFlora section: eudicot

Wetlands: Occurs usually in non wetlands, occasionally in wetlands

Communities: agricultural plant

Name Status:
Accepted by PLANTS

Alternate Names:
PLANTSHelianthus tomentosus
PLANTSHelianthus tuberosus var. subcanescens
Information about  Helianthus tuberosus from other sources

Photos on Calflora

Photos on CalPhotos

Google Images

Photos on iNaturalist

[Wikipedia] Central North America native: The Jerusalem artichoke (Helianthus tuberosus), also called sunroot, sunchoke, wild sunflower,[2] topinambur,[2] or earth apple, is a species of sunflower native to central North America.[3][4] It is cultivated widely across the temperate zone for its tuber, which is used as a root vegetable. (contributed by Mary Ann Machi)

[Cal-IPC] Invasive: Helianthus tuberosus (Jerusalem artichoke) is a perennial herb/ (family Asteraceae) with yellow flowers and oval shaped leaves found in the San Francisco Bay area and south coast ranges of California. It is native to eastern North America. It favors grasslands, woodlands, and riparian and bottomland habitat. It reproduces via seeds and tubers. Birds are the main source of seed dispersal. Cal-IPC Rating: Watch (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]. 2024. Berkeley, California: The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: 04/17/2024).