Marijuana, Hemp
(Cannabis sativa L.)
Cannabaceae (Hops Family, Hemp Family)
▲ ▼ seedling hemp plants
▲ young hemp plant
▲ colony of wild hemp alongside road in Nebraska
▲ mature hemp plant
▲ leaves, and stem ▼
▲ male flowers, and female flowers ▼
Marijuana (pp. 234-235, Weeds of the Great Plains—not in Weeds of the Northeast)
not technically a difficult-to-control weed, but control of marijuana is required by law due to narcotic content
cultivated worldwide for fiber or drug use
herbaceous, monoecious or dioecious annual plant
has palmately compound, serrated edge leaves
leaflets have deeply indented veins
not naturally prolific or invasive, prefers rich, moist soils