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, rose moss.
Origin of portulacaMiddle English, from Latin portulaca, purslane, from portula, diminutive of porta, gate (from the gatelike covering of the seed capsule); see per-2 in Indo-European roots.