Medium-sized to large tree. Twig, panicle, leaf bud, midrib above. Stipule (both surfaces) and petiole shortly densely persistently yellowish buff puberulent, more sparsely so on nervation beneath and midrib above. Twig 1.5-2 mm ø apically, slender, compressed when young, becoming terete, smooth, glabrous; stipule scars short, inconspicuous. Bud 3-6 by 1.5-3 mm, ovoid, compressed, subacute. Stipule to 14 by 5 mm, hastate, subacute. Leaves 6-9 by 3-5 cm, elliptic-ovate, lepidote beneath in mature tree; base obtuse; acumen to 8 mm long; nerves 10-13 pairs, straight, abruptly curved near margin, slender but prominent beneath, at 40°-50° except at base; tertiary nerves slender, scalariform, sinuate, diagonal to nerves; petiole 1-1.2 cm long, 1-1.5 mm ø, shortly cream puberulent and rugose on drying. Panicle to 12 cm long, terminal or axillary, terete or slightly compressed; singly or doubly branched, the branchlets bearing to 10 distichous flowers; bracts and bracteoles to 3 by 1.2 mm, ovate, subacute, shortly grey puberulent outside, glabrescent within. Flower bud to 8 by 2.5 mm, narrowly ovoid, subacute, the calyx spreading. Calyx densely shortly pubescent outside, puberulent within; lobes subequal, ovate, acute to subacuminate, the inner 2 more attenuate than the outer 3. Petals bright lilac within, paler outside, narrowly lanceolate, acute, twisted, shortly pubescent on parts exposed in bud, saccate at base. Stamens 15, the inner 5 only slightly longer than the others; filaments basally expanded, abruptly tapering; anther broadly oblong; appendage to connective c. 3 x length of anther, straight, unreflexed, reaching almost to the style apex on the 5 inner stamens. Ovary small, globose, glabrous; stylopodium indistinct; style c. 2 x length of ovary, filiform, sparsely pubescent in the basal half. Fruit calyx shortly pubescent, more densely so at base; 3 longer lobes to 5 by 1.2 cm, broadly spatulate, narrowly obtuse, c. 2.5 mm broad above the c. 6 by 4 mm narrowly ovate thickened saccate base; 2 shorter lobes to 2.5 by 0.2 cm, linear, subequal, similar at base. Nut to 14 by 7 mm, ovoid, abruptly shortly apiculate, shortly densely grey-buff pubescent.
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