Rhamnus

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Introduced

Evergreen (in Australia), more or less glabrous shrubs or small trees. Leaves alternate to opposite, petiolate, penninerved, concolorous; stipules early-deciduous, free. Plants monoecious (usually) or dioecious. Inflorescence of axillary cymes or racemes. Sepals 5, falling before fruit ripens; petals 5, rolled or hooded, or sometimes (in Victoria) 0; disk apparent as a narrow glabrous ring at the summit of the hypanthium, but lining the inner surface of the hypanthium; ovary superior, carpels 2–4 (usually 3), style deeply branched (as many branches as carpels). Fruit a drupe, with 2–4 readily separating mericarps, longitudinally dehiscent on the inner face; seeds arillate, dorsally grooved.

About 120 species, mainly in temperate regions of the Northern Hemisphere, but with representatives in South America, South Africa and Malesia; 1 native and 1 introduced species in Australia.

Source: Walsh, N.G. (1999). Rhamnus. In: Walsh, N.G.; Entwisle, T.J. (eds), Flora of Victoria Vol. 4, Cornaceae to Asteraceae. Inkata Press, Melbourne.
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life Life
kingdom Plantae
phylum Tracheophyta
superorder Rosanae
order Rosales
family Rhamnaceae
Higher taxa
genus Rhamnus
Subordinate taxa