n. 马齿苋属植物

[ noun ]
a plant of the genus Portulaca having pink or red or purple or white ephemeral flowers
<noun.plant>

Portulaca \Por`tu*la"ca\, n. [L., purslane.] (Bot.)
A genus of polypetalous plants; also, any plant of the genus.

Note: {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.