Asteraceae
Mt. Diablo helianthella
Helianthella castanea
- Family
- Asteraceae
- Genus
- Helianthella
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Common names
By language (2)
- Arabic
- هيليانثيلا كستانيا
- English
- Mt. Diablo helianthella
Synonyms
- Helianthella castanea var. castanea
Characteristics
- Growth habit
- Forb/herb
- Lifespan
- Perennial
- In the US and Canada
- Lower 48 states: native
Photos

Photo: Stan Shebs, CC BY-SA 3.0, from Wikimedia Commons 
Photo: Stan Shebs, CC BY-SA 3.0, from Wikimedia Commons 
Photo: Stan Shebs, CC BY-SA 3.0, from Wikimedia Commons 
Photo: Stan Shebs, CC BY-SA 3.0, from Wikimedia Commons 
Photo: John Rusk from Berkeley, CA, United States of America, CC BY 2.0, from Wikimedia Commons
More in Helianthella
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- Oneflower helianthellaHelianthella unifloraAsteraceae
- Purpledisk helianthellaHelianthella microcephalaAsteraceae
- Helianthella durangensisAsteraceae
- Helianthella ciliataAsteraceae
- Helianthella gypsophilaAsteraceae
- Helianthella mexicanaAsteraceae
Sources: classification, synonyms from World Flora Online Plant List (2026-06, CC0 1.0); common names, popularity from Wikidata (2026-10-26, CC0 1.0); common names, US characteristics from USDA PLANTS Database (2025-05-29, CC0 1.0). About our plant data.