Polygonaceae

Slenderhorn spineflower

Dodecahema leptoceras (A.Gray) Reveal & Hardham

Family: Polygonaceae
Genus: Dodecahema

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Slenderhorn spineflower: Dodecahema leptoceras (slender-horned spineflower), Bee Canyon, Los Angeles County — Photo: Joe Decruyenaere, CC BY-SA 2.0, from Wikimedia Commons

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Common names

By language (2)

English: Slenderhorn spineflower
Portuguese: Dodecahema

Synonyms

Centrostegia leptoceras A.Gray
Chorizanthe leptoceras (A.Gray) S.Watson

Characteristics

Growth habit: Forb/herb
Lifespan: Annual
In the US and Canada: Lower 48 states: native

Photos

Photo: Joe Decruyenaere, CC BY-SA 2.0, from Wikimedia Commons
Photo: Joe Decruyenaere, CC BY-SA 2.0, from Wikimedia Commons

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.