Pinellia integrifolia
Tuber depressed globose, 1-1.3 cm in diam. Leaves 1-3; petiole slender, 5-15 cm long, base sheathing; leaf blade entire, ovate, oblong, oblong-lanceolate, 5-19 × 1.5-6 cm, short-acuminate to acute at apex, base obtuse, rarely shallowly cordate; primary lateral veins 6-7 per side. Inflorescence with peduncle shorter than petioles; peduncle 6-10 cm long; spathe (6-)7-9 cm long, tube 0.8-1.2 cm long, limb lanceolate, 7-8 cm long, long-acuminate, curved; spadix 8-12 cm long; female zone 5-10 mm long; male zone 5-10 mm long; sterile zone between female and male flowers 5-10 mm long; appendix filiform, 4-9 cm long, incurved, pendulous. Female flowers densely arranged; pistil 0.8-0.9 mm long, ovary ovoid, c. 0.6 mm long and 0.4 mm in diam., style distinct, c. 0.3 mm long, stigma subhemispheric, c. 0.18 mm in diam., broader than style. Male flowers with thecae elongate, c. 0.7 mm long, opening by a long slit. Berries pale green to whitish
Endemic to Central China: western Hubei (Yichang) and eastern Sichuan (Xuyong, Chongqing). Growing on slopes, in moist areas by streams, lower than 1000 m.
Flowering in September.A synopsis and a new species of the E Asian ge