Tuber obovate, ovate-globose, ovate-elliptic, 2–4 cm in diam. Petiole cylindric, ca. 60 cm long, densely covered by purple spots, sheathing below middle part; leaf blade agitate, 15–459–25 cm, acuminate, lateral veins 7–8 each side, intramarginal vein remote from margin 5–6 mm. Peduncle 15 cm long. Spathe purple, lower portion convolute, oblong-ovate, ca. 63 cm; limb ovate, up to 15 cm long, acuminate recurved. Spadix nearly sessile, up to 14 cm long in total: female zone cylindric, 31.5 cm; sterile zone 3 cm × 5 mm; male zone 2 cm × 8 mm; appendix purple, (2–) 6 cm long, 5 mm in diam. at base, sessile, apex obtuse. Male flowers sessile, anthers ovoid, opening by apical pore. Ovary cylindric, apex truncate, 2-ovuled; stigma sessile; sterile flowers at base of sterile zone clavate, upper ones subulate.

Herbasin Chinese herb database - Rhizoma Typhonii (Bai Fu Zi)

A decoction of dried tuber is used for treating paralysis of mouth and eye, traumatic injury, snake bites, migraine, sore throat, scrofula and subcutaneous nodules, and tetanus.

It is contraindicated during pregnancy. The crude herb is usually not used for oral administration.

Jing-Nuan Wu. An Illustrated Chinese Materia Medica. P: 646, Oxford University Press, Inc.2005.