Rhaphidophora crassicaulis Engl. & K.Krause

Lianas. Branches dorsiventrally compressed, to 3cm in diam., internodes short. Leaf blade ovate in outline, 30–55 × 22–36cm, leathery, base obtuse, apex acute, pinnately divided; pinnae 6–10 or more per side, reaching midrib or nearly so, linear-falcate, base decurrent, apex truncate; primary lateral veins usually 2–4, equally strong, parallel, along midrib with perforations (8–20 × 2–5mm), pinnae at middle of leaf 15–21 × 1–5cm. Inflorescences terminal on lateral branches, solitary, erect; peduncle robust, cylindric, 12–20 × 1–1.6cm. Spathe unknown. Spadix sessile, white, cylindric, 10–17cm, 2–2.5cm in diam. at base. Ovary cylindric, 6–8 × ca. 2mm; ovules many, oblong, funicle long; style broadly conic; stigma circular.