|Dicotyledon|| Literature for Euphorbia heterophylla
Wagner et al., 1990, 1999.
|Euphorbiaceae -- The Spurge Family||Bibliography|
Common name(s): spurge, kaliko
|Distribution||Native from southern United States to Argentina and the West Indies, naturalized in the Old World tropics.In the Hawaiian Islands, naturalized on Midway, Ni`ihau, Kaua`i, O`ahu, Lana`i, Maui, Kaho`olawe, Hawai`i.|
||Robust annual herbs; stems (1-)2-8 dm long, glabrous to pilose.
||Leaves green, sometimes floral leaves white or with splotches of purple at base, never red, alternate below, opposite above, broadly ovate, elliptic, obovate, or panduriform, rarely linear, blades 4-12 cm long, 0.3-7 cm wide, glabrous or pilose, margins entire to coarsely serrate, apex acute, short-acuminate, or short-cuspidate, base rounded to cuneate, petioles (0.5-)1-4 cm long, stipules absent or minute and gland-like.
||Cyathia in dense terminal cymes; involucre 2-2.5 mm high, glabrous, gland 1, cup-shaped with a circular opening, without an appendage; male flowers numerous.
||Capsules subglobose, 3-4 mm long, glabrous.
||Seeds dark brownish gray to black, sometimes mottled, truncate-ovoid, angled, 2-2.5 mm long, coarsely tuberculate, ecarunculate.
||2n = 28, 38, 54, 56