Small tree. Stipules small, deltoid or ovate, caducous. Leaves alternate or spiral. Inflorescences axillary, paniculate, rarely cymose, few-flowered. Flowers 5-merous. Calyx lobes imbricate. Petals valvate. Disk extrastaminal, fleshy, annular-pulvinate or slightly cupular, composed of 5 pulvinate glands contiguous at the ends. Stamens 5, erect, inserted at the inner side of the notches of disk; anthers basifixed, dehiscing by a transverse slit, ± extrorse. Pistil hollow in the upper 1/3, apex truncate. Ovary 5-celled, short-conical, base confluent with the disk; style none; stigma inconspicuous. Ovules 2-5 in each cell, superposed or biseriate. Fruit capsular, subglobose, loculicidal, after dehiscing leaving a conspicuous, club-shaped columella. Seeds (1-)2-4(-5) in each cell, completely enveloped by an aril when young, leaving an opening on one side when ripe; albuminous; cotyledons flat, foliaceous.
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