Tree to 15 m tall. Forming a lignotuber. Bark rough to the small branches, tessellated, pale grey-brown to yellow-brown, yellow to orange on freshly broken surfaces. Branchlets lacking oil glands in the pith. Juvenile stems round in cross-section, scabrid on the lower portion of stem; juvenile leaves below node 8, petiolate, opposite for few nodes then alternate, ovate to broadly lanceolate, scabrid, base peltate; after node 8, petiolate, broadly lanceolate, base tapering to the petiole, semi-glossy green. Adult leaves alternate, petioles (1)1.2–2.5(3) cm long; blade lanceolate to narrowly ovate, (5.5)7–12(14) cm long, (1.7)2–3.5(4) cm wide, flat to slightly undulate, discolorous, glossy to slightly glossy or somewhat dull green darker above, paler below, base tapering to the petiole (sometimes almost rounded), margin entire, apex acute, side-veins strongly penniveined, reticulation very dense, intramarginal vein present but close to the leaf margin, oil glands island. Inflorescence terminal compound, peduncles (1)1.2–2(3) cm long, buds 7 per umbel, pedicels 0.4–1.3 cm long. Mature buds oblong to obovoid, 0.6–1.1 cm long, 0.4–0.7 cm wide, surface smooth (not scurfy), scar absent (both opercula shed together at flowering), operculum flattened, stamens inflexed, anthers oblong, versatile, dorsifixed, dehiscing by longitudinal slits, style long and straight, stigma papillate (mop-like), locules commonly 3 (occasionally 4), ovules not in regular vertical rows. Flowers white. Fruit pedicellate (pedicels 0.4–1.3(1.7) cm long), urceolate (rarely truncate-ovoid to truncate-globose), 1.5–3.6 cm long, 1.2–2.7 cm wide, neck conspicuous and erect or almost absent, disc vertically descending, valves 3 (occasionally 4), deeply enclosed. Seeds dull to semi-glossy, red-brown to brown, (8)10–12 mm long, more or less elongated boat-shaped, wing absent but with a narrow scarious flange on the dorsal keel, hilum ventral. Cultivated seedlings (measured at node 10): cotyledons reniform to orbicular; stems round in cross-section, scabrid to ca node 6; leaves petiolate, opposite for the first 3 nodes then alternate, broadly lanceolate to ovate, 6.3–14 cm long, 2.8–4.8 cm wide, dull green at first but becoming semi-glossy at ca node 10, base peltate to ca node 10 then base tapering to the petiole; lamina scabrid till ca node 8.
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Tree to 15 m. Bark tessellated throughout, lightgrey-brown. Juvenile leaves subopposite or alternate, petiolate, broadly ovateor oblong-ovate, the first few peltate, strongly discolorous, glandular-bristlyon margin and petiole. Adult leaves alternate, broadly lanceolate to lanceolate,acuminate, thick; lamina 7–12 cm long, 2.5–4 cm wide, bright green above, discolorous;lateral veins numerous, at 60°–75°; intramarginal vein very close to orconfluent with margin; petiole flattened, 10–20 mm long. Umbels 3–7-flowered;peduncle terete, 10–30 mm long; pedicels 10–18 mm long. Buds clavate; operculumconical, 2–3 mm long, 5–7 mm wide; hypanthium truncate-pyriform, 6–7 mm longand wide. Fruits globular-urceolate or ovoid, contracted at orifice, 18–40 mmlong, 12–20 mm wide. Seeds sometimes winged on margins, red-brown.
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