| Noun | 1. | genus Cannabis - hemp: genus of coarse annuals native to central Asia and widely naturalized in north temperate regions; in some classifications included in the family Moraceaedicot genus, magnoliopsid genus - genus of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination Cannabidaceae, family Cannabidaceae, hemp family - 2 genera of erect or twining wind-pollinated herbs: genera Cannabis and Humulus; term not used in all classifications; in some the genus Cannabis is placed in the family Moraceae and the genus Humulus in the family Urticaceae cannabis, hemp - any plant of the genus Cannabis; a coarse bushy annual with palmate leaves and clusters of small green flowers; yields tough fibers and narcotic drugs | |