Family: Apocynaceae
hemp-dogbane, Indian hemp
[Apocynum album var. hypericifolium Greene, more...]
Gary Fewless
Christopher Noll
Bell Museum
Etymology: Apocynum: from the Greek for "away from dog," i.e. noxious to dogs, in reference to its ancient use as a dog poison, hence dogbane
Plants: erect, perennial, 2'-5' tall forb, clone-forming, milky juice; branched toward the top of the main stem
Leaves: opposite, short-stalked with sharp to rounded bases, erect or upward-pointing, very variable
Flowers: white to greenish, 5-parted, 1/8"-1/4" wide, cylindrical or urn-shaped, erect with erect or slightly spreading petals; inflorescence a branched cluster (cyme), main cyme terminal, others from the upper leaf axils; blooms June-Aug.
Fruits: paired, long, very narrow pod with seeds on silky hair
Habitat: dry to moderate moisture; roadsides, prairies
Hazardous: Careful, this plant is hazardous!
Conservation Status: Native
Plants: erect, perennial, 2'-5' tall forb, clone-forming, milky juice; branched toward the top of the main stem
Leaves: opposite, short-stalked with sharp to rounded bases, erect or upward-pointing, very variable
Flowers: white to greenish, 5-parted, 1/8"-1/4" wide, cylindrical or urn-shaped, erect with erect or slightly spreading petals; inflorescence a branched cluster (cyme), main cyme terminal, others from the upper leaf axils; blooms June-Aug.
Fruits: paired, long, very narrow pod with seeds on silky hair
Habitat: dry to moderate moisture; roadsides, prairies
Hazardous: Careful, this plant is hazardous!
Conservation Status: Native
Floristic Rating: Coefficient of Conservatism = 3, Wetland Indicator = FAC Atlas of the Wisconsin Prairie and Savanna Flora: by T.S. Cochrane & H.H. Iltis: habitat, distribution infomation / flowering and fruiting times USDA Plants Database: Federal Distribution and detailed information including photos Dan Tenaglia's The Missouri Flora: Fabulous photographs; detailed descriptions; color and leave arrangement key. David G. Smith's "Delaware Wilflowers": Beautiful photographs; descriptions Illinois Wildflowers: Wonderful photographs; detailed descriptions; color and leaf arrangement key Southwest School of Botanical Medicine: Britton & Brown Illustrated Flora - 2nd Edition (1913) "An Illustrated Flora of the Northern United States and Canada"
Christopher Noll
Botanical Illustration
Christopher Noll
Merel R. Black
Christopher Noll
Merel R. Black
Michael Clayton
Christopher Noll
Christopher Noll
Merel R. Black
Aaron_Carlson
Aaron_Carlson
Aaron_Carlson
