Shrub or tree, 3-24 m, 15-90 cm ø; buttresses rounded, up to 0.6 m tall, 1½ m out, 5 cm thick; bark fissured to scaly, lenticellate, pale grey-brown. Branchlets initially densely set with yellowish brown, short, simple or stellate hairs, later glabrous, greyish to blackish brown, finely fissured or sparsely lenticellate; terminal buds ovoid-ellipsoid, 3-5 by 2-3 mm, scales ovate to linear. Stipules linear-acute to subulate, 3-4 by 1-2 mm. Leaves thin-coriaceous, rigid, (3½-)5-13(-17) by (1.2-)2-4(-6½) cm (index (2-)2½-3½(-4½)), broadest about the middle; above glabrous, glossy, chocolate-brown, underneath densely set with glaucous to fulvous, adpressed, minute stellate hairs, subglabrescent; base acute to cuneate, rarely rounded, margin recurved, top bluntly acute to bluntly or sharply ½-1½ cm acuminate-caudate; midrib strongly prominent on both sides; nerves thin, more or less prominent on both surfaces, (8-)10-14(-16) pairs, subparallel at an angle of 40-50°, arcuating and anastomosing near the margin; reticulation fine, areolate, obscure; petiole ½-2 cm, 1-1½ mm ø, glabrous, adaxially flat or furrowed. Inflorescence male, androgynous or mixed, densely yellowish brown, stellate tomentose; bracts thick-coriaceous, narrowly ovate-acute, 0.7-by 0.3 mm, bracteoles broadly ovate, 0.3 by 0.7 mm. Male rachis 7-20 cm, 1-3 mm ø; ♂ flowers in clusters of 3, filaments 2-3 mm, anthers 0.2-0.3 mm long, pistillode globose, 0.7-1 mm ø. Androgynous or mixed rachis 6-20 cm, 1-3 mm ø; female flowers solitary, rarely in clusters of 2-3, staminodes rudimentary, styles 3-5, conical, 0.7-1 mm. Ripe cupule sessile to 3-4 mm stalked, cup-to saucer-shaped, 5-12 mm long, 14-22 mm ø; rim thin, covering ¼-⅓ part of the fruit; wall woody, rather thick, inside densely silvery grey tomentose by adpressed simple hairs, outside densely fulvous stellate hairy, hairs minute, adpressed; lamellae 6-10, prominent, entire or denticulate. Ripe fruit subhemispherical, 12-15 mm long, 15-20 mm ø, pale chocolate-brown, glabrous except around the umbo, top rounded-apiculate, base rotundate, scar concave, c. 1 cm ø; wall bony, c. 1 mm thick, for the greater part free from the cupule.
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