| Dicotyledon | Literature for Euphorbia heterophylla
Wagner et al., 1990, 1999. |
| Euphorbiaceae -- The Spurge Family | Bibliography |
| Euphorbia heterophylla | |
Common name(s): spurge, kaliko |
| General Information | ||
|---|---|---|
| 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. |
|
| Habit |
Robust annual herbs; stems (1-)2-8 dm long, glabrous to pilose. |
|
| Leaves |
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. |
|
| Flowers |
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. |
|
| Fruit |
Capsules subglobose, 3-4 mm long, glabrous. |
|
| Seeds |
Seeds dark brownish gray to black, sometimes mottled, truncate-ovoid, angled, 2-2.5 mm long, coarsely tuberculate, ecarunculate. |
|
| Chromosomes |
2n = 28, 38, 54, 56 |
|
