Hemp
Scientific name: Cannabis sativa L.
Diagnostic features Erect unbranched or little-branched annual to 2.5m. Leaves palmately divided to base or almost so into 3-9 lanceolate lobes.
Chromosome number: (2n=20).
Habitat Introduced-casual; formerly grown for fibre and still illicitly on small scale for drug, now again being grown in trials as a fibre crop.
Distribution Imported in mixed birdseed and frequent on tips, and in parks and farms where birds are fed; much of British Isles, especially urban areas in South; South & West Asia.
This species is keyed out at Page 2509: Cannabaceae, Cannabis & Humulus and Page 2517: Cannabis (Cannabaceae) and other taxa at in the Text Key. |