From Wikipedia, the free encyclopedia
Trianthema is a genus of annual or perennial plant in family Aizoaceae characterized by usu. fleshy, opposite, unequal, smooth-margined leaves; prostrate growth form; flowers with five perianth segments; flowers subtended by a pair of bracts; superior fruit a circumscissile capsule with a winged lid; and stamens 5 or 10. It contains about 20 described species growing in tropical and subtropical regions - especially Australia. One common species, Trianthema portulacastrum, Desert Horse Purslane, is frequent as a weed in agricultural areas and is widely distributed.
