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

Common name(s): spurge, `akoko, `ekoko, koko, kokomalei
General Information
DistributionIn the Hawaiian Islands, endemic to Ni`ihau, Kaua`i, O`ahu, Moloka`i, Lana`i, Maui, Hawai`i.

Click here for detailed USGS map by Jonathan Price
Subshrubs; stems prostrate to decumbent, 0.05-0.4 m long, nodose, often tortuous and gnarled, pilose to villous, flowering branches 1-1.5 mm in diameter.
Leaves distichous, glaucous, orbicular or elliptic to reniform, 5-20(-25) mm long, 5-15(-25) mm wide, glabrous or pubescent at basal margin to pilose, margins entire, apex rounded to obtuse, retuse, sometimes mucronulate, base cordate, petioles 0.5-1 mm long, villous, stipules rounded-triangular, 1-2 mm long, glabrous or villous, erose, ciliate.
Cyathia solitary, primarily at the ends of the branches, peduncles 0.5-1 mm long, pilose to villous; involucre campanulate, 1.5-2 mm high, 1.5-2 mm wide, glabrous to pilose, glands 4, green, glabrous to pilose, unappendaged; styles green to white, bifid 1/2 their length, 0.5-1 mm long, sparsely pubescent; stigma slightly thickened.
Capsules green, (1.5-)2-2.5 mm long, glabrate to pilose, gynophores recurved, exserted 1.5-2 mm from involucre, pilose or rarely glabrous.
Seeds white, 1.5-1.8 mm long, rugose.