Flora of the Hawaiian Islands
Dicotyledon Literature for Sesuvium portulacastrum
Wagner et al., 1990.
   Aizoaceae -- The Fig-marigold Family Bibliography
      Sesuvium portulacastrum

Common name(s): `Akulikuli, sea purslane
General Information
DistributionPantropical.In the Hawaiian Islands, indigenous to Midway, Pearl and Hermes, Lisianski, Laysan, Necker, Ni`ihau, Kaua`i, O`ahu, Moloka`i, Lana`i, Maui, Kaho`olawe, Hawai`i.

Click here for detailed USGS map by Jonathan Price
HabitatMostly littoral
Stems red to green, decumbent to ascending, rarely erect, often rooting at the nodes, fleshy, many branched, glabrous.
Leaves green, often becoming yellow or red with age, terete or flattened, linear, elliptic to narrowly obovate, 1-4(-6) cm long, 0.2-1.5 cm wide, margins entire, apex rounded to acute, gradually tapering to a dilated clasping base, the bases of the paired leaves often overlapping.
Flowers solitary in the leaf axils; calyx lobes green externally, pinkish purple to white within, lanceolate to narrowly ovate, 4-10 mm long, 3-6 mm wide, with a green, subapical, dorsal appendage 1-1.5 mm long, the tube 1.5-3 mm long; stamens numerous, pinkish purple; ovary 3 celled; styles 3.
Capsules ovoid to subglobose, 4-7 mm long; pedicels 2-12 mm long.
Seeds 10-30 per capsule, lenticular reniform, 1-1.5 mm in diameter, the surface smooth and lustrous.
2n = 16, 36, 48, ca. 48.