Indian hemp

noun
1.
a North American dogbane, Apocynum cannabinum, having erect clusters of greenish-white flowers and a root with laxative and emetic properties.
2.
hemp (def 1).
Origin
1610-20, Americanism
British Dictionary definitions for Indian hemp

Indian hemp

noun
1.
another name for hemp, esp the variety Cannabis indica, from which several narcotic drugs are obtained
2.
Also called dogbane. a perennial American apocynaceous plant, Apocynum cannabinum, whose fibre was formerly used by the Indians to make rope
Slang definitions & phrases for Indian hemp

Indian hay

noun phrase

Marijuana: a couple of Indian hay cigarettes (1876+)