Tree, 15-30 m by ½-1 m ø; bark dark grey, fissured and lenticellate. Branchlets initially densely to sparsely fulvous stellate hairy, later dark-coloured, glabrescent, densely lenticellate; terminal bud 6-10 by 3-5 mm, scales linear, acute, 5-10 by 1 mm, glabrescent. Stipules linear, acute, 10-15 by 2-3 mm, subglabrous. Leaves thin-coriaceous, (9-)13-16(-20) by (3-)5-7(-12) cm (index 2-3.5), widest at the middle, seldom above or below; surfaces discolorous, above glabrous, glossy in various shades, beneath silvery-grey with dense, stellate scales (magnification 30!), subglabres-cent; base rounded, attenuate-acute, top acute to 1-2 cm sharply acuminate; midrib and nerves strongly prominent beneath, slightly so above; nerves (9-) 11-13(-15) pairs at an angle of 60-70°, subparallel, arcuating, not confluent; reticulation fine, rather lax, more or less scalariform, distinct on both surfaces; petiole (½-)l-1½(-2½) cm, adaxially flat. Male rachis 15-25 cm by 2-3 mm ø, sometimes with short branches near the base; bracts and bracteoles ovate, rounded to acute, coriaceous, 1½-3 by 1-1½ mm; ♂ flowers in clusters of 3-7, perianth lobes ovate-acute, 1½-2 by 1-½ mm, hairy outside, stamens 12, filaments 2-3 mm, anthers 0.2-0.25 mm long, pis-tillode 1-2 mm ø. Female rachis 5-15 cm by 2-4 mm ø, bracts and bracteoles thick-coriaceous, broadly ovate-acute, 3-5 by 3-4 mm; female flowers in clusters of 3, perianth lobes ovate-acute, 1-1½ by 1 mm, hairy on both sides, staminodes 12, well-developed, styles 3, conical, 1½-2 mm, slightly recurved. Young infructescence 15-30 cm long; young cupule subglobose, the spines in 4 sectors with scaly parts in between. Ripe cupule ½-1 cm stalked, ovoid-globose, 3-4 cm through; wall 1-2 mm thick, outside with dense very short fulvous indumentum, the spines densely set in bundles of sturdy and slender ones, 1-1½ cm long, un-branched, mostly straight; dehiscence into 4 segments or irregular. Fruits 3 in a cupule, ovoid-conical with acute top, 2-2½ by 1-1½ cm, scar comparatively small, wall 1 mm thick, the free part densely reddish-brown tomentose; cotyledons flat-convex.
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A tree. It grows up to 15-30 m high. The bark is dark grey and cracked. The trunk can be 1 m across. The trunk can be without branches for 25 m. The leaves are thin and leathery. They are 13-16 cm long by 5-7 cm wide. They are silvery grey underneath. The flowers are bell shaped with 6 lobes. The fruit is in a cup 3-4 cm across with 3 fruit.
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