Rhaphidophora dulongensis H.Li

Lianas. Stem green, cylindric, 1–2m, 2–3cm in diam., internodes 0.5–2.5cm. Petiole 41–49 × ca. 1.5cm, basal 3–4cm sheathing; pulvinus indistinct; leaf blade pale green abaxially, green adaxially, oblong-ovate in outline, ca. 50 × 35cm, subleathery, base rounded or subcordate, pinnately divided; pinnae 6–9 per side, broadly linear, oblique, those at middle of leaf 4–5cm wide, apex truncate with falcate tip; costae 3 or 4, equally strong, parallel; sinuses nearly reaching midrib. Peduncle solitary, cylindric, 15–20cm × 8–10mm. Spathe unknown. Spadix sessile, pale green, cylindric, ca. 10 × 1.8cm. Ovary quadrangular-cylindric or pentagonal-cylindric, apex truncate; stigma capitate.