arenaria peploides

from WordNet (r) 3.0 (2006)

Arenaria peploides
    n 1: perennial succulent herb with small solitary axillary or
         terminal flowers [syn: {seabeach sandwort}, {Arenaria
         peploides}]

from The Collaborative International Dictionary of English v.0.48

Sea chickweed \Sea" chick"weed`\ (Bot.)
   A fleshy plant ({Arenaria peploides}) growing in large tufts
   in the sands of the northern Atlantic seacoast; -- called
   also {sea sandwort}, and {sea purslane}.
   [1913 Webster]