\Purs"lane\, n. [OF. porcelaine, pourcelaine (cf. It.
porcellana), corrupted fr. L. porcilaca for portulaca.]
(Bot.)
An annual plant ({Portulaca oleracea}), with fleshy,
succulent, obovate leaves, sometimes used as a pot herb and
for salads, garnishing, and pickling.
{Flowering purslane}, or {Great flowered purslane}, the
   {Portulaca grandiflora}. See {Portulaca}.
{Purslane tree}, a South African shrub ({Portulacaria Afra})
   with many small opposite fleshy obovate leaves.
{Sea purslane}, a seashore plant ({Arenaria peploides}) with
   crowded opposite fleshy leaves.
{Water purslane}, an aquatic plant ({Ludwiqia palustris}) but
   slightly resembling purslane.