Trees, mostly without buttresses or with very small buttresses. Leaves spirally arranged, petiolate; colleters in axil and in an arc around half the stem; secondary veins straight, closely parallel. Inflorescence axillary or pseudoterminal, dichotomous or trichotomous, pedunculate, mostly with 2 or 3 second order long branches and then 2 or 3 densely congested short cincinnate branches, occasionally with 1 more or fewer orders of branching, fallen flowers leaving prominent scars, bracts absent in mature inflorescence; flowers 5-merous. Sepals without colleters in the axils. Corolla lobes sinistrorse, in bud tube narrow, head globose, apex rounded to acute; mature corolla salverform; tube narrow, widening slightly around the stamens; lobes falcate, auriculate at base, apex acuminate. Stamens not adnate to the style head. Ovary 3-5-locular, syncarpous. Fruit syncarpous, indehiscent, with a thin fibrous mesocarp and thin endocarp, 1-5-seeded. Seeds long and narrow, one per locule, longitudinally lined, endosperm hard.
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