Polygonaceae
Brittle spineflower
Chorizanthe brevicornu
- Family
- Polygonaceae
- Genus
- Chorizanthe
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Common names
By language (1)
- English
- Brittle spineflower
Synonyms
- Chorizanthe brevicornu subsp. brevicornu
- Chorizanthe brevicornu var. brevicornu
Flowers
- In flower
- March to May (from 204 flowering iNaturalist observations worldwide)
Characteristics
- Growth habit
- Forb/herb
- Lifespan
- Annual
- In the US and Canada
- Lower 48 states: native
Photos

FlowerPhoto: Dominic Gentilcore, CC BY 4.0, from iNaturalist 
FlowerPhoto: LM Cunningham, CC BY 4.0, from iNaturalist 
FlowerPhoto: paulexcoff, CC BY-SA 4.0, from iNaturalist 
FlowerPhoto: LM Cunningham, CC BY 4.0, from iNaturalist 
Photo: Wikimedia Commons contributor, CC BY-SA 3.0, from Wikimedia Commons 
Photo: Trevor Van Loon, CC BY 4.0, from iNaturalist 
Photo: CK2AZ, CC BY 4.0, from iNaturalist 
Photo: Wikimedia Commons contributor, CC BY-SA 3.0, from Wikimedia Commons 
Photo: sdash, CC BY 4.0, from iNaturalist 
Photo: Stan Shebs, CC BY-SA 3.0, from Wikimedia Commons 
Photo: Steve Matson, CC BY 4.0, from iNaturalist 
Photo: Joe Decruyenaere, CC BY-SA 2.0, from Wikimedia Commons
More in Chorizanthe
- Fringed spineflowerChorizanthe fimbriataPolygonaceae
- San Bernardino spineflowerChorizanthe parryiPolygonaceae
- Sonoma spineflowerChorizanthe validaPolygonaceae
- Wrinkled spineflowerChorizanthe corrugataPolygonaceae
- San Francisco spineflowerChorizanthe cuspidataPolygonaceae
- Douglas' spineflowerChorizanthe douglasiiPolygonaceae
- Mendocino spineflowerChorizanthe howelliiPolygonaceae
- Pink spineflowerChorizanthe membranaceaPolygonaceae
- San Diego spineflowerChorizanthe orcuttianaPolygonaceae
- Monterey spineflowerChorizanthe pungensPolygonaceae
- Robust spineflowerChorizanthe robustaPolygonaceae
- Turkish ruggingChorizanthe staticoidesPolygonaceae
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.