Pinellia pedatisecta Schott

Perennial with subglobose tuber to 4 cm in diam., bearing some tubercles around it. Leaves 1-3 or more; petiole 20-70 cm long, greenish, lower portion sheathing; blades pedate, leaflets 6-11, lanceolate, acuminate at apex, base cuneate, sessile; central leaflet 15-18.3 cm long, the following ones smaller, outermost ones 4-5 cm long; 7-12 primary lateral veins per side, forming an inner collective vein, an outer second collective vein near the margin. Inflorescence with peduncle 20-50 cm long, green; spathe lanceolate, not constricted between tube and limb, inside transverse septum absent, 10-19 × 1.5-2 cm, long-acuminate at apex, slightly convolute at base, green outside, greenish to whitish inside; spadix 14-20 cm long; female zone 1.5-3 cm long, adnate to spathe; male zone free from spathe, cylindric, 5-8 mm long; sterile zone between female and male flowers only 4-5 mm long; appendix 10-15 cm long, greenish to whitish, ± cylindric, 2-3 mm in diam. at base, upwards becoming filiform, suberect. Female flowers very densely arranged; pistil 2.1-2.2 mm long, ovary obovoid, c. 1.9 mm long and 1.2-1.3 mm in diam., green, stigma subsessile, orbicular, white, papillose. Male flowers with thecae elongate, c. 1.3 mm long, yellow, opening by a slit. Berries ovoid, 4-5 mm long and 3-5 mm in diam., pale to whitish green, 1-seeded; seed obovoid, 3.5 × 2.5 mm, brown, funicle robust.