Helianthus tuberosus
Jerusalem artichoke
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Family: Asteraceae · Type: Herb
Conservation status: Cal-IPC Yes
Helianthus tuberosus (Jerusalem artichoke) is a California herb in the Asteraceae family.
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Identification and appearance
Key characters: Differentiators are not available at this time.
Conservation status
Cal-IPC Yes
How to tell it apart
vs Encelia: Helianthus is herbaceous with soft stems; Encelia is a woody shrub with persistent branches.; vs Bahiopsis: Helianthus has soft herbaceous stems; Bahiopsis is woody-based with persistent woody stems.; vs Wyethia: Helianthus has smaller disk flowers and readily falling seed scales; Wyethia has very large 8-12mm disk flowers.; vs Rudbeckia: Helianthus has a flat or rounded yellow center; Rudbeckia has a tall dark cone-shaped center.; vs Venegasia: Helianthus dies back to ground level; Venegasia is a large evergreen shrub in shaded canyons.
Frequently asked questions
What plant family does Helianthus tuberosus belong to?
Helianthus tuberosus is in the Asteraceae family, genus Helianthus.
Is Helianthus tuberosus invasive in California?
Helianthus tuberosus is listed by Cal-IPC with an invasiveness rating of Yes.
Related species
Other California species in the same genus, family, or bioregion.
- Helianthus winteri — Winter's sunflower
- Helianthus annuus — Common sunflower
- Helianthus bolanderi — Bolander's sunflower
- Helianthus californicus — California sunflower
- Helianthus ciliaris — Blueweed
- Helianthus cusickii — Cusick's sunflower
- Helichrysum petiolare — Licorice plant
- Helichrysum sp.
- Heliomeris multiflora var. nevadensis — Nevada goldeneye
Last updated 2026-10-07
Data from The California Species Project — 14,000+ California species with verified data from CNPS, CDFW, USFWS, Cal-IPC, and more.