Erect spindly shrub or small tree 2-6 m tall. Leaves unifacial, 15-42 cm long, simple and entire or pinnatisect with 2-20 ascending primary lobes, the lower ones often again 2-8-sect, rarely some tertiary lobing; ultimate lobes laterally flattened, linear to narrowly obovate, 5-29 cm long, (0.6-) 1-21 mm broad; edges flat (true margins obscure); surfaces almost smooth but with very fine ±continuous longitudinal wrinkles, glabrous or with a sparse to dense appressed indumentum. Conflorescence usually terminal, erect, paniculate with 3-11 spreading branches, sometimes some secondary (rarely tertiary) branching, and then secondary and tertiary peduncles with black triangular bases; unit conflorescence cylindrical, 6-20 cm long, weakly acropetal. Flowers acroscopic. Perianth glabrous outside, papillose inside. Nectary U-shaped. Pistil 5-8 (-9.5) mm long, glabrous; pollen-presenter moderately oblique to almost transverse, conical. Follicle compressed-ellipsoidal to-obovoid or suborbicular, 18-24 mm long, glabrous, viscid.
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