Pinellia polyphylla S.L.Hu

Tuber depressed globose, irregularly depressed, to 6 cm in diam., with 1-4 stolons, 4-7 cm long, stolon often bearing globose tubercles of 5-10 mm diam. at the end. Leaves 1-4; petiole 10-60(-70) cm long, greenish or flesh-red; leaf blade deltoid-ovate to broadly ovate, 6-33 × 4-22 cm, acuminate at apex, base deeply cordate, chartaceous, primary lateral veins 5-15 per side. Inflorescence with peduncle shorter than petioles; spathe erect, 5-8 cm long, greenish or yellowish green, tube funnelform, 1-2.5 × 0.5 cm, throat constricted, limb broadly lanceolate, 3.5-5 × 0.8-1.2 cm; spadix longer than spathe; female zone adnate to spathe tube, 1.5-2 cm long; male zone free, 1-1.5 cm long; sterile zone between female and male flowers 1-1.5 cm long; appendix 6-11.5 cm long, tortuous, greenish to yellowish green. Female flowers densely arranged; pistil c. 2.4 mm long, ovary ovoid, c. 2 mm long and 1.3 mm in diam., stigma subsessile, small, c. 0.4 mm in diam., style very short. Male flowers with ellipsoid thecae, opening by a slit. Berries ovoid, green to whitish; seed 1, globose, c. 1.5 mm in diam.