Robert W. Freckmann Herbarium


  Apocynum sibiricum Jacq. image
Photographer: Merel R. Black           

Michael Clayton

Merel R. Black

Merel R. Black

Christopher Noll

Christopher Noll

Christopher Noll

Christopher Noll

Christopher Noll
Family Apocynaceae
Apocynum sibiricum Jacq.
clasping dogbane, Indian hemp
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
sibiricum: of Siberia
County distribution map- click for detailed distribution maps.
Detailed Distribution:
Town Range Maps
Google Dot Maps
Status: Native
Plant: erect or drooping, perennial, 1'-5' tall forb, clone-forming, milky juice
Flower: whitish to yellow, 5-parted, 1/8"-1/4" wide, bell-shaped, erect flowers with erect or slightly spreading petals; inflorescence a branched cluster (cyme), main cyme terminal and the others from the upper leaf axils; blooms June-Aug.
Fruit: long and very narrow pods with seeds on silky hair
Leaf:opposite, usually hairless below, stalkless or on very short stalks, often clasping the stem, rounded or with a shallow, heart-shaped base
Habitat: dry to moderate moisture; roadsides, prairies
Notes: tough, fibrous inner bark used for cordage by Native Americans; hybrids common
(Glossary)

More Information Natural Communities Herbarium Specimens
All Apocynum list Google- Images or Text
Synonyms 
Apocynum cannabinum L. var. hypericifolium (Aiton) A.Gray
Apocynum hypericifolium Aiton
Apocynum sibiricum Jacq. var. cordigerum (Greene) Fernald
Apocynum sibiricum Jacq. var. farwellii (Greene) Fernald
Apocynum sibiricum Jacq. var. salignum (Greene) Fernald

         
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