Flora of the Hawaiian Islands
Dicotyledon Literature for Euphorbia clusiifolia
Wagner et al., 1990, 1999.
   Euphorbiaceae -- The Spurge Family Bibliography
      Euphorbia clusiifolia

Common name(s): spurge, `akoko, `ekoko, koko, kokomalei
General Information
DistributionIn the Hawaiian Islands, endemic to O`ahu.

Euphorbiaceae - Euphorbia clusiifolia Euphorbiaceae - Euphorbia clusiifolia

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Shrubs; stems erect to scandent, 1-3 m long, glabrous, flowering branches 2-4 mm in diameter.
Leaves decussate, sometimes some of them distichous, oblanceolate to oblong or occasionally elliptic, 35-140 mm long, 10-45 mm wide, glabrous, margins entire, apex broadly acute to rounded, base cuneate to rounded, oblique, petioles 2-3 mm long, glabrous to pilose at basal margin, stipules acute-triangular, 1-2 mm long, erose, ciliate.
Cyathia 3-8(-12) in many-branched, open, cymose inflorescences or occasionally solitary, peduncles 6-23 mm long, pilose; involucre broadly campanulate, 2-2.5 mm high, 3-4 mm wide, pilose especially beneath the glands, glands 4-5, purple, pubescent; styles red, bifid ca. 1/3 their length, 0.5-1 mm long; stigma thickened.
Capsules green, each of the 3 faces with a single ruga separated by sutures, 6-9 mm long, glabrous, gynophores recurved, exserted 3-9 mm from involucre, glabrous.
Seed reddish brown, subglobose, 2.5-3 mm long, smooth.
2n = ca. 38*