CANNABACEAE
Annual or perennial herbs, erect or twining, scrabid, dioecious, sometimes monoecious, often with cystoliths. Stem furrowed or winged. Stipules free, deciduous or persistent. Leaves alternate or opposite, usually palmately lobed or compound, rarely undivided. Flowers small, unisexual (plants usually dioecious). Male inflorescence axillary cymose paniculate; female inflorescence cone-like, spicate or crowded in the axil of large foliaceous bract. Male Flowers: Pedicellate. Perianth 5, free or slightly connate at base, imbricate. Stamens 5, erect in bud, opposite to tepals; filaments short; anthers large, bithecous, dehiscence by longitudinal slits. Pistillode absent. Female Flowers: Sessile. Perianth (perigynium) appressed to ovary, membranous. Staminodes absent. Ovary sessile, subglobose to ovate, unilocular with a single anatropous ovule, ovule pendulous from locule apex; styles 2, central, subulate or filiform, stigmatose inside. Fruit an achene or an etaerio of achenes, compressed or flattened, enclosed by persistent perianth (perigonium). Seed flattened with membranous testa
2 genera and 3-4 species
