Apocynaceae

Western dogbane

Apocynum × floribundum Greene

Family: Apocynaceae
Genus: Apocynum

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Common names

By language (1)

English: Western dogbane

Synonyms

Apocynum abditum Greene
Apocynum andrewsii Greene
Apocynum cannabinum var. floribundum (Greene) Jeps.
Apocynum cannabinum var. lividum (Greene) A.Nelson
Apocynum ciliolatum Piper
Apocynum coconinum Greene ex Bég. & Belosersky
Apocynum coconinum Greene ex Bég. & Belosersky
Apocynum convallarium Greene
Apocynum denticulatum Suksd.
Apocynum divergens Greene
Apocynum ellipticum Greene
Apocynum elmeri Greene
Apocynum glaucum Nieuwl.
Apocynum incanum Greene
Apocynum incanum Greene
Apocynum insigne Greene
Apocynum jonesii Woodson
Apocynum leuconeuron Greene
Apocynum lividum Greene
Apocynum lividum var. abditum Bég. & Belosersky
Apocynum lividum var. convallarium Bég. & Belosersky
Apocynum lividum var. elmeri Bég. & Belosersky
Apocynum lividum var. floribundum Bég. & Belosersky
Apocynum lividum var. texanum Bég. & Belosersky
Apocynum lividum var. typicum Bég. & Belosersky
Apocynum lividum var. vacillans Bég. & Belosersky
Apocynum lividum var. viarum Bég. & Belosersky
Apocynum macrophyllum Bég. & Beloserky
Apocynum macrophyllum Bég. & Bél.
Apocynum medium Greene
Apocynum medium var. floribundum Woodson
Apocynum medium var. leuconeuron Woodson
Apocynum medium var. lividum Woodson
Apocynum medium var. sarniense Woodson
Apocynum medium var. vestitum Woodson
Apocynum milleri Britton
Apocynum milleri Britton
Apocynum milleri var. pauciflorum Farw.
Apocynum pseudomedium Bég. & Beloserky
Apocynum pseudomedium Bég. & Bél.

and 11 more.

Characteristics

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

Photos

Photo: Ryan Hodnett, CC BY-SA 4.0, from Wikimedia Commons

More in Apocynum

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); US characteristics from USDA PLANTS Database (2025-05-29, CC0 1.0). About our plant data.