Tree up to 12(–25) m. Twigs with numerous to densely covered with small reddish-brown peltate scales which have a dark central spot and an irregular or fimbriate margin, occasionally with stellate scales. Leaves up to 54 cm long; peduncle up to 10 cm, peti-ole, rachis and petiolules with few to numerous scales like those on the twigs. Leaflets 11–13, 7.5–23 by 2–6 cm, blackish– or reddish-brown when dry, usually markedly ovate, rounded on one side and cuneate on the other at the markedly asymmetrical base, tapering to a caudate apex; with few to numerous scales like those on the twigs on the midrib below and few on the rest of that surface, usually pitted and sometimes rugulose on both surfaces; veins 12–18 on each side of the midrib, often red when dry, petiolule up to 10(–20) mm. Inflorescence up to 35 cm long and 24 cm wide; peduncle up to 12 cm, peduncle, rachis and branches with few to numerous scales like those on the twigs, but usually with a fimbriate margin. Flowers with few or no scales on the calyx and pedicel. Flower 1.2–2.3 mm long, 1.2–1.8 mm wide, ellipsoid, pedicel 0.5–1 mm, pedicel and calyx without or with occasional hairs or scales. Petals 5. Staminal tube 1–2 mm long, 0.8–1.8 mm wide, aperture 0.4–1 mm across, the margin shallow– ly lobed, anthers 5, inserted near the base or about half way up the tube, included or just protruding through the aperture. Infructescence up to 26 cm long and 20 cm wide, pendulous; peduncle up to 6 cm, peduncle, rachis and branches with few to numerous scales like those on the twigs. Fruits few, up to 3 cm long and 1.7 cm wide, asymmet– rically ellipsoid with one side flat or slightly concave, yellow or brown, with a thin brittle pericarp which is densely covered with scales like those on the twigs or paler scales or occasionally reddish–brown stellate scales on the outside, inner surface smooth and shiny; locule 1, containing one seed. Seed up to 2.7 cm long and 1.5 cm wide, com-pletely surrounded by an aril, the aril thin, papery and dark reddish–brown when dry and with a network of veins, the shrunken seed within completely separate from the aril and up to 1.6 cm long and 1 cm wide.
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Trees to 15 m tall. Branchlets dark gray, with scattered small yellowish lenticels. Leaves ca. 30 cm; leaflets 9-13, alternate to subopposite; petiolules 5-10 mm; leaflet blades oblong-elliptic or ovate, 5-15(-18) × (2-)3-4.5 cm, thickly papery to subleathery, both surfaces glabrous, secondary veins 12-16 on each side of midvein and slender, base ± oblique and cuneate to subrotund, apex acuminate. Thyrses axillary, 20-24 cm, slightly shorter than leaves, dark gray squamate. Flowers ca. 2 mm in diam., glabrous. Pedicel short. Calyx 5-parted; lobes rounded, margin ciliate. Petals 5, white, orbicular to ovate, ca. 1.5 mm. Staminal tube subglobose, glabrous; anthers 5, ovoid. Ovary with 2 ovules per locule. Fruit indehiscent, oblong and curved, 3-3.8 × ca. 2 cm, rust-colored squamate. Seed 1 per fruit, with a yellowish fleshy aril. Fl. Mar-May, fr. Sep-Dec.
A small to medium sized tree. It can grow to 25 m high and have a trunk 50 cm across. The leaves are compound. There are 11-13 leaflets that are almost opposite. The flowers have 5 parts. The fruit is oblong and curved. It is 3-4 cm long by 2 cm wide. It is rust coloured. There is one seed. The aril is yellowish and fleshy.
Primary evergreen forest, monsoon and secondary forest on limestone or deep ferralitic wet and well-drained soils at elevations of 100-1,330 metres.
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It is a tropical plant. It grow in forests usually on limestone. It grows between 100-1,500 m above sea level. In Yunnan.
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