The genera of the Cannabaceae in the southeastern United States

CANNABACEAE Endlicher, Gen. Pl. 286.1837, "Cannabineae," nom.cons."(Hemp FaMIty) Rough, mostly aromatic, annual or perennial herbs; stems erect, scandent, or, in perennials, a subterranean rhizome bearing aérial branches, generally ridged or furrowed and either scabrous with long hairs or armed with sharp, rigid, medifixed trichomes often set on multicellular pedestals.Leaves palmately compound or lobed, sometimes simple, petiolate, serrate, generally decussate, but often alternate near the stem apex; lower (abaxial) leaf and leaflet surfaces sparsely or densely covered with hairs and glandular dots, upper (adaxial) surfaces usually crowded with cystoliths Miller, N G. 1970."The genera of the Cannabaceae in the southeastern United States."