Asteraceae
Serpentine sunflower
Helianthus bolanderi
- Family
- Asteraceae
- Genus
- Helianthus
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Common names
By language (2)
- Arabic
- دوار الشمس البولاندري
- English
- Serpentine sunflower
Flowers
- In flower
- June, August to September (from 10 flowering iNaturalist observations worldwide)
Characteristics
- Growth habit
- Forb/herb
- Lifespan
- Annual
- In the US and Canada
- Lower 48 states: native
Photos
FlowerPhoto: Larry Jensen, CC BY 4.0, from iNaturalist 
Photo: Alex Heyman, CC0, from iNaturalist 
Photo: Philmarin, CC BY-SA 3.0, from Wikimedia Commons 
Photo: Don Loarie, CC BY 4.0, from iNaturalist 
Photo: Colin J Pryor, CC BY 4.0, from iNaturalist 
Photo: Ken-ichi Ueda, CC BY 4.0, from iNaturalist
More in Helianthus
- Common sunflowerHelianthus annuusAsteraceae
- Jerusalem artichokeHelianthus tuberosusAsteraceae
- Stiff sunflowerHelianthus pauciflorusAsteraceae
- Cheerful sunflowerHelianthus × laetiflorusAsteraceae
- Prairie sunflowerHelianthus petiolarisAsteraceae
- Cucumberleaf sunflowerHelianthus debilisAsteraceae
- Paradox sunflowerHelianthus paradoxusAsteraceae
- Nuttall's sunflowerHelianthus nuttalliiAsteraceae
- Willowleaf sunflowerHelianthus salicifoliusAsteraceae
- Paleleaf woodland sunflowerHelianthus strumosusAsteraceae
- Swamp sunflowerHelianthus angustifoliusAsteraceae
- Silverleaf sunflowerHelianthus argophyllusAsteraceae
Sources: classification 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.