Chisocheton longistipitatus (F.M.Bailey) L.S.Sm.

Tree to 39 m; bole to 75 cm diam., buttresses to 1.5 m. Bark dark brown, lenticellate; inner bark pale pink to yellowish; sapwood white. Leafy twigs 4–8 mm diam., sometimes myrmecophilous, occasionally with white latex. Leaves to 1 m and 18-jugate; petiole 7–10 cm; rachis 2–4.5 mm diam., terete or channelled, pseudogemmula short, clawlike. Leaflets 9–32 by 4.2–13 cm, elliptic-oblong, sparsely stellate-pubescent, midrib sunken adaxially in sicco, costae c. 18 on each side; petiolules 4–8 mm. Inflorescences to 45 cm, 3 or 4 times branched, proximal branches to 10 cm. Calyx 1.5–3 mm tall, ± sessile, margin irregularly lobed to 1 mm. Petals 4 or 5, 607 by 0.4– 0.7(–1) mm. Staminal tube pubescent except at ends, margin (4)5-lobed, lobes 1.4–1.8 mm, retuse; anthers (4) 5, 0.8–1.3 mm long, scarcely locellate. Disk cupular. Ovary 2-(or 3-)locular; style stellate-pubescent save near apex; stylehead cylindric, apically mamillate. Infructescence to 30 cm. Capsule 3–3.5 cm long, subspherical, reddish, stipitate stipe 1.2 cm; pericarp spongy. Seeds 2 (3), sarcotestal with hole near micropyle; coty ledons collateral.

Growing in rainforest to 300 m alt.