a fleshy annual plant (Portulaca grandiflora) of the purslane family, usually with yellow, pink, or purple flowers
Origin of portulacaModern Latin from L, purslane from portula, diminutive of porta, door (see port): from the doorlike opening of the seed capsule
Any of various succulent plants of the genus Portulaca, especially P. grandiflora of South America, cultivated for its showy colorful flowers that open only in sunlight. Also called moss rose . Also called rose moss .
Origin of portulacaMiddle English from Latin portulāca purslane from portula diminutive of porta gate (from the gatelike covering of the seed capsule) ; see per-2 in Indo-European roots.