Flora of the Hawaiian Islands
Dicotyledon Literature for Portulaca pilosa
Wagner et al., 1990, 1999.
   Portulaceae Bibliography
      Portulaca pilosa

Common name(s): purslane, `akulikuli (Ni`ihau)
General Information
DistributionPantropical.In the Hawaiian Islands, naturalized on Ni`ihau, Kaua`i, O`ahu, Moloka`i, Maui, Kaho`olawe, Hawai`i.

Perennial herbs from a taproot; stems green when young, usually purplish red when exposed to sun, prostrate to weakly ascending, 3-20 cm long, forming irregular mats.
Leaves alternate or clustered at the ends of the branches, oblong-elliptic to linear, 4-15(-25) mm long, 0.5-2(-4) mm wide, petioles ca. 1-2 mm long, with a tuft of hairs 1-18 mm long in the axil.
Flowers (1)2-10 in congested terminal cymes subtended by a series of involucrate leaves ca. 10-12 mm long, bracteoles 0.7-2.5 mm long, partly obscured by hairs ca. 3-18 mm long; sepals 2.5-5 mm long, margins somewhat scarious, apex sometimes inconspicuously hooded; petals (4)5, magenta, obovate, 5-6(-10) mm long; stamens (7-)20-30; anthers globose to elliptic; style 3-7-branched.
Capsules broadly ellipsoid, ca. 2-3(-4) mm long, circumscissile at or slightly below middle.
Seeds dark blue with a metallic luster, the surface tuberculate, especially along margins.
2n = 16, 18, 36