Trees, evergreen. Bark brownish dark; branches pale grayish brown, slightly strong, minutely ridged, rugose when dry, glabrous. Leaves paripinnate, axis (including petiole) 25-39 cm, triangular in transverse section, nearly smooth; leaflets 5-7-jugate, subopposite; petiolules short, inflated; blades oblong-lanceolate to narrowly oblong, 9-19 × 3-5.5 cm, thinly leathery, lateral veins 15-20 pairs, tips netted near margin, reticulate veins conspicuous only abaxially, base cuneate to slightly obtuse, margin usually inconspicuously sparsely serrate at upper part, rarely entire, apex cuspidate, mucronate, mucro 5-10 mm. Flowers not seen. Infructescences terminal, conical, large, more than 30 cm; branches few, very long. Capsules sparse, with short, inflated stalk, subglobose, 2-2.5 cm or more in diam., not ridged, apex without beak, loculicidal into 3 schizocarps when mature, 1-3-loculed; schizocarps unequal, brown, 1-1.5 mm thick, nearly woody, abaxially slightly rugose. Seeds compressed-globose; testa brown, shiny, leathery; hilum transversely elliptic, large, broad. Fr. late summer.

This species is used for its timber.

● Dense forests and ravines. Guangxi (Longzhou).