Leaves 4 or 5; petiole ca. 60 cm, base sheathing; leaf blade broadly ovate, ca. 33 × 25 cm, membranous, base sagittate-cordate, margin entire, apex triangular-acute; veins almost parallel. Peduncle ca. 35 cm. Spathe pale green, ca. 6 cm, apex acute. Spadix cylindric, 4-5 × ca. 1.2 cm; female zone ca. 1.2 × 1.2 cm; ovary obovoid, 2-2.5 mm, apex obtuse; staminodes clavate; male zone ca. 3 × 1.3 cm, obtuse; stamens flattened, ca. 1.5 mm. Fl. Mar.

● N Taiwan (Jilong).