Polygonaceae
Mendocino spineflower
Chorizanthe howellii
- Family
- Polygonaceae
- Genus
- Chorizanthe
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Common names
By language (1)
- English
- Mendocino spineflower
Flowers
- In flower
- May, July (from 6 flowering iNaturalist observations worldwide)
Characteristics
- Growth habit
- Forb/herb
- Lifespan
- Annual
- In the US and Canada
- Lower 48 states: native
Photos
Photo: Spencer Hurt, CC BY 4.0, from iNaturalist 
Photo: Scott Yarger, CC0, from iNaturalist 
Photo: Cricket Raspet, CC BY 4.0, from iNaturalist 
Photo: Stevie Steele, CC BY 4.0, from iNaturalist 
Photo: Cricket Raspet, CC BY 4.0, from iNaturalist 
Photo: Trevor Van Loon, CC BY 4.0, from iNaturalist 
Photo: Trevor Van Loon, CC BY 4.0, from iNaturalist 
Photo: Konshau Duman, CC BY 4.0, from iNaturalist 
Photo: Alex Heyman, CC0, from iNaturalist 
Photo: Don Loarie, CC BY 4.0, from iNaturalist
More in Chorizanthe
- Fringed spineflowerChorizanthe fimbriataPolygonaceae
- San Bernardino spineflowerChorizanthe parryiPolygonaceae
- Sonoma spineflowerChorizanthe validaPolygonaceae
- Brittle spineflowerChorizanthe brevicornuPolygonaceae
- Wrinkled spineflowerChorizanthe corrugataPolygonaceae
- San Francisco spineflowerChorizanthe cuspidataPolygonaceae
- Douglas' spineflowerChorizanthe douglasiiPolygonaceae
- Pink spineflowerChorizanthe membranaceaPolygonaceae
- San Diego spineflowerChorizanthe orcuttianaPolygonaceae
- Monterey spineflowerChorizanthe pungensPolygonaceae
- Robust spineflowerChorizanthe robustaPolygonaceae
- Turkish ruggingChorizanthe staticoidesPolygonaceae
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.