Purslane

n.
  1. An annual plant (Portulaca oleracea), with fleshy, succulent, obovate leaves, sometimes used as a pot herb and for salads, garnishing, and pickling.
    2. 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.