Webster's Revised Unabridged Dictionary · 1913

Portulaca

Portulaca , noun

[Latin, purslane.]

(Botany) A genus of polypetalous plants; also, any plant of the genus.

Portulaca oleracea is the common purslane. Portulaca grandiflora is a South American herb, widely cultivated for its showy crimson, scarlet, yellow, or white, ephemeral blossoms.