Herbs, medium sized to rather small, evergreen. Stem short, epigeal. Leaves few together; petiole 28-32 × ca. 1 cm, slender, sheathing to ca. 1/2 length; leaf blade weakly peltate, ovate-sagittate, ca. 25 × 13 cm, thinly membranous, apex acute; posterior lobes ovate-oblong, 8-10 × ca. 5 cm; lateral veins 4 or 5 on each side. Inflorescences solitary; peduncle cylindric, slender, ca. 18 cm × 4-5 mm. Spathe ca. 6.5 cm, weakly constricted; tube narrowly ovoid, ca. 15 × 8 mm, glaucous; limb erect, narrowly oblong, ca. 5 × 2 cm, apex long acuminate. Spadix slightly shorter than spathe; female zone cylindric, 1-1.2 cm; pistil ovoid; style short; stigma ± 3-or 4-lobed; sterile zone narrowly cylindric, 6-7 cm × ca. 2 mm; synandrodes depressed, rhombic-hexagonal in outline, ca. 2 × 2.5 mm; male zone ca. 15 × 5 mm; synandria comprised of 6 stamens, rhombic-hexagonal, ca. 2 × 2 mm; appendix narrowly conic, ca. 1.1 × 0.3-0.4 cm, acute. Infructescence and fruit unknown. Fl. Nov.
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