Tree to 25 m high, the trunk ca 40 cm in diam, with flat buttresses; branch-lets robust; bark gray-brown, rough, somewhat striate. Leaves alternate; stipules to 7 mm long, obtuse, pubescent; petioles 9-11 cm long, robust, terete, striate, incras-sate at both ends, glabrous; blades 34-62 cm wide, the shortest seen 58 cm long, elliptical-obovate, heavily rugose-coriaceous, the midrib, secondary and tertiary veins impressed, glabrous above, prominently puberulent to scattered-pubescent beneath, the secondary veins 12-18, arcuate-ascending, the base cordate, the apex obtuse, the margin irregularly undulate. Inflorescences 5-13 cm long, the peduncles, pedicels and bracts puberulent; peduncles 2.5-10.5 cm long, angled, striate; bracts 8-14 mm long, 0.5-2 mm wide at the base, lanceolate, sparsely dentate, obtuse. Flowers 1.0-1.5 cm long, 1.2-1.5 cm in diam; sepals 7-9, 7-9 mm long, 1-1.5 mm wide at the base, striate, densely puberulent without and within; stamens 10-11 mm long, the filaments 6-7 mm long, pubescent, the anthers 1-1.5 mm long, ovoid, pubes-cent, the connective prolonged into an awn 1.5-2.5 mm long, glabrous; pistil 14-16 mm long, the ovary to 3 mm long, 2.5-3 mm in diam, ovoid, 4-5-loculed, densely tawny-tomentose, the style 11-13 mm long, 4-or 5-angled at the base, 4-5-parted at the apex, pubescent 4/5 of its length, glabrous on the apical 1/5. Capsule not seen (Fruit subglobose with dense aculeate, rufous setae; capsule ca 2 cm thick, setae 4.5 cm long;-seed 1 cm long; cf. Pittier, loc. cit. 312, 313).
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