Large buttressed tree. Young twig sometimes shortly buff caducous pubescent; other vegetative parts entirely glabrous. Twig 3 mm ø apically, slightly compressed at first, becoming terete, minutely striated or rugulose. Bud 3-4 by 2.5 mm, ovoid, obtuse, compressed. Stipule to 18 by 6 mm, narrowly deltoid, saccate, obtuse, less caducous than in most species of sect. Richetioides. Leaves 12-18 by 5-7 cm, brilliant magenta when opening, narrowly ovate, chartaceous; base broadly cuneate to subcordate, subequal; acumen prominent, c. 2 cm long; nerves 10-15 pairs, slender but prominent, at 60°-70°; tertiary nerves scalariform, slightly oblique to the nerves; petioles 2.2-3 cm long, very long, slender. Panicle to 15 cm long, terminal or axillary, terete, rugose when dry, lax, sparsely persistently pale greyish brown pubescent; regularly alternately doubly, rarely trebly, branched, branchlets to 2 cm long, bearing to 7 flowers; bracteoles small, fugaceous. Flower bud to 2.5 by 1.5 mm, small, elliptic, obtuse. Calyx densely shortly pubescent outside, glabrous within; lobes ovate, acute, the 2 inner slightly the smaller, thinner, more constricted at base. Petals cream, linear, pubescent on parts exposed in bud, imbricate in the basal half forming a broad shallow cup, distally spreading and twisted. Stamens 15, in 3 unequal verticils; filaments slender, tapering, basally compressed and slightly gibbous, distally filiform; anthers subglobose; appendage to connective slender, 3 times length of anther, the longest 5 exceeding the style apex, slightly ciliate towards the apex. Ovary ovoid, sparsely pubescent; stylopodium shorter than ovary, cylindrical, more densely pubescent; style short, glabrous. Fruit calyx puberulent at the base, otherwise glabrescent; 3 longer lobes to 7 by 1.5 cm, chartaceous, broadly spatulate, obtuse, tapering to 4 mm above the to 5 mm broad prominently tuberculate saccate thickened base; 3 shorter lobes to 5 by 0.7 cm, spatulate, similar at base. Nut c. 20 by 6 mm, ellipsoid to obovoid, pale buff pubescent; style remnant c. 3 mm long, slender.
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