Flora of the Hawaiian Islands
Dicotyledon Literature for Trianthema portulacastrum
Wagner et al. ,1990, 1999.
   Aizoaceae -- The Fig-marigold Family Bibliography
      Trianthema portulacastrum
General Information
DistributionPantropical.In the Hawaiian Islands, naturalized on Kaua`i, O`ahu, Maui, Kaho`olawe.

Stems prostrate or ascending, somewhat succulent, up to 5 dm long, sometimes more, glabrous or sparsely pubescent.
Leaves flat, elliptic to obovate or spatulate, 1-2(-4) cm long, 0.4-2(-3) cm wide, margins entire, apex obtuse or retuse, base rounded to cuneate, petioles 0.5-2.5 cm long, expanded into a sheath connate with opposing leaf base to form a cup.
Flowers solitary, sessile, largely hidden in leaf axils; sepals adnate to leaf base, the lobes linear to narrowly deltate, 4-5 mm long, inner surface pink or white, sparsely pubescent externally; ovary cylindrical; style ca. 2 mm long.
Operculum truncate, 2-3 mm long, with a prominent raised, denticulate rim along outer side.
Seeds dull black, reniform, 1.5-2 mm wide, weakly ridged.
2n = 26, 28.