Plants annual, papillate, glabrous. Stems prostrate to ascending, usually copiously branched, 1-4 dm; not rooting at nodes. Leaves: petiole clasping; blade spatulate to ovate, 1-2.5 cm, base tapering. Inflorescences: flowers usually solitary; pedicel usually absent or to 1 mm. Flowers: calyx lobes pink or purple adaxially, with subapical abaxial appendages, ovate, 3 mm; stamens 5; pistil 2-3-carpellate; ovary 2-3-loculed; styles 2-3. Capsules ovoid, 4-5 mm. Seeds 30-50, blackish brown, 1 mm, iridescent, smooth.
"Annual, glabrous and succulent throughout, prostrate to ascending, 1–3 dm, freely branched; lvs oblanceolate to broadly spatulate, 1–3 cm, the members of a pair commonly unequal; sep 2–3 mm including the short appendage; stamens 5; fr ovoid, 4 mm; seeds numerous, smooth, under 1 mm. Sea-beaches; N.Y. to Tex. and W.I.; scattered inland in Kans. and Okla. July–Sept."
|Annual sea-purslane, slender sea-purslane|