Portulaca

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Portulaca

plant genus in the family Portulacaceae. Contains high concentrations of oxalic acid and sometimes nitrate, either of which can cause fatal poisoning in hungry stock. Manifested by recumbency and high mortality in sheep. Includes P. australis, P. filifolia, P. oleracea (pigweed, purslane), P. sp.aff. oleracea (munyeroo, inland pigweed).
References in periodicals archive ?
These pigments show up in four-o'clocks (Mirabilisjalapa), portulacas, and certain other flashy flowers related to carnations, cacti, and bougainvilleas.
The long rows of zinnias, portulacas, bee-balm, petunias, and nasturtiums pattern a gay flag at the foot of the terrace, and in the back garden the vines hang heavy with tomatoes, and the bold yellow of squash already ripe speckles the shadows under the great dark leaves.
That's the way I look at it, anyway--as I have explained (and explained, and explained) to this woman who never returns from shopping without pansies, petunias, or portulacas sprouting out of one of her half-dozen shopping bags.