[E. geniculata Ort.; Poinsettia geniculata (Ort.) Klotzsch & Garcke; P. heterophylla (L.) Klotzsch & Garcke]
(nat) Kaliko
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-)l-4 cm long, stipules absent or minute and gland-like. Cya-thia in dense terminal cymes; involucre 2.5 mm high, glabrous, gland 1, cupshaped with a circular opening, without an appendage; staminate flowers numerous. Capsules subglobose, 3-4 mm long, glabrous. Seeds dark brownish gray to black, sometimes mottled, truncate-ovoid, angled, 2.5 mm long, coarsely tuberculate, eca- runculate. [2n = 28, 38, 54, 56.] Native from southern United States to Argentina and the West Indies, naturalized in the Old World tropics; in Hawai‘i naturalized in low elevation, dry, disturbed sites on Midway Atoll and documented from all of the main islands except Moloka‘i. Naturalized prior to 1871 (Hillebrand, 1888).—Plate 83.