Xanthosoma blandum Schott

Plant up to 1.6 m tall, but rarely reaching half of this size. Stems always hypogeous, rhizomatous, cylindrical, up to 7 cm in diameter, moderately covered by brown fibers, branching profuselly in well established plants, producing sparse globose-turbinate cormels. Leaves 3-4 per plant; petioles 30-98 cm long, green, never conspicuously waxy, usually brownish at base, sheathed up to 1/3 of its length, sheath convolute; leaf blade 32-67 x 19-40 cm, ovate in outline in both young and adult plants, semi-glossy green adaxially, clearer and matte abaxially, primary lateral veins 5--6 per side, arising at an angle of 50-60°, concolorous with blade at both sides, apex acuminate; basal ribs denuded for 2-4 cm, basal lobes slightly extrose, conspicuously acute at apex. Inflorescences 1-3 per axil, peduncle 30-110 x 0.3-0.5 cm; spathe 17.5 cm long, tube 4 x 2 cm, green outside, white inside, lamina 14.5 x 3 cm long, white in both sides; spadix 15 cm long, fertile male portion white 9 x 1 cm, sterile male portion 3.5 x 1.1 cm, pinkish, moderately dimorphic, female portion 2-3 x l cm, pale yellow.