Hypertext Webster Gateway: "Portulaca"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
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. {P.
grandiflora} is a South American herb, widely
cultivated for its showy crimson, scarlet, yellow, or
white, ephemeral blossoms.
From WordNet (r) 1.7 (wn)
portulaca
n : a plant of the genus Portulaca having pink or red or purple
or white ephemeral flowers
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