Asteraceae
Oneflower helianthella
Helianthella uniflora
- Family
- Asteraceae
- Genus
- Helianthella
Pet and kid safety: not checked yet. Check pet-safe plants

Is yours looking unwell? Scan your plant — free
Common names
By language (1)
- English
- Oneflower helianthella, Rocky Mountain helianthella
Synonyms
- Helianthella lanceolata Torr. & A.Gray
- Helianthella uniflora var. douglasii (Torr. & A.Gray) W.A.Weber
- Helianthella uniflora var. uniflora
- Helianthus uniflorus Nutt.
Flowers
- Flower colour
- yellow (USDA PLANTS Database)
Characteristics
- Growth habit
- Forb/herb
- Lifespan
- Perennial
- In the US and Canada
- Canada: native, Lower 48 states: native
Photos

Photo: Matt Lavin from Bozeman, Montana, USA, CC BY-SA 2.0, from Wikimedia Commons 
Photo: Matt Lavin from Bozeman, Montana, USA, CC BY-SA 2.0, from Wikimedia Commons 
Photo: Matt Lavin from Bozeman, Montana, USA, CC BY-SA 2.0, from Wikimedia Commons 
Photo: Matt Lavin from Bozeman, Montana, USA, CC BY-SA 2.0, from Wikimedia Commons 
Photo: Matt Lavin from Bozeman, Montana, USA, CC BY-SA 2.0, from Wikimedia Commons 
Photo: Matt Lavin from Bozeman, Montana, USA, CC BY-SA 2.0, from Wikimedia Commons 
Photo: Matt Lavin from Bozeman, Montana, USA, CC BY-SA 2.0, from Wikimedia Commons 
Photo: Matt Lavin from Bozeman, Montana, USA, CC BY-SA 2.0, from Wikimedia Commons 
Photo: Matt Lavin from Bozeman, Montana, USA, CC BY-SA 2.0, from Wikimedia Commons 
Photo: Matt Lavin from Bozeman, Montana, USA, CC BY-SA 2.0, from Wikimedia Commons 
Photo: Matt Lavin from Bozeman, Montana, USA, CC BY-SA 2.0, from Wikimedia Commons 
Photo: Matt Lavin from Bozeman, Montana, USA, CC BY-SA 2.0, from Wikimedia Commons
More in Helianthella
- Mt. Diablo helianthellaHelianthella castaneaAsteraceae
- Aspen sunflowerHelianthella quinquenervisAsteraceae
- California helianthellaHelianthella californicaAsteraceae
- Parry's dwarf-sunflowerHelianthella parryiAsteraceae
- 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.