Typhonium jinpingense Z.L.Wang, H.Li & F.H.Bian

Perennial herb, seasonally dormant, rhizome tuberous, irregularly cylindrical, brown, horizontal or erect, producing small gemmules and many filiform roots, 2–2.5 cm long, 0.7–1.0 cm diam. Leaves 1–3, petiole smooth, green, 10–17 cm long, 0.1 cm diam., sheathing below ca. 1.5–2 cm long; blade chartaceous, green, cordate, usually cordate-hastate or deeply cordate at base, 5–8 3 4–10 cm. Peduncle about 1 cm long. Spathe: tube ovoid, pale green, dark purple at the top, 1.5 cm long, 0.5 cm diam.; the blade narrowly lanceolate, chalky-white but dark purple at base, 11 cm long, 1 cm wide below the middle, spreading and slightly arching, the apex long-acuminate but not twisted. Spadix ca. 14 cm long, pistillate portion ca. 0.5 cm long, greenish, the style short, stigma dark purple, sterile portion ca. 0.4 cm long, densely covered proximally, erect, yellowish, clavate rudiments, with naked interstice to 2 cm long; staminate portion to 0.5 cm long, densely congested, yellow; terminal appendix cylindrical, erect, purple, ca. 10 cm long, 2 mm diam., sessile and not swollen at base, with very strong odor. Flowering from the end of April to August.