Ixonanthes
Content
Description
Evergreen, buttressed trees or treelets growing monopodially with flushes, glabrous.
Bark brownish, finely fissured, rich in tannin;
Leaves simple, spirally arranged, with slightly incrassate, entire or glandular-serrate margin, pinnately nerved, mostly obovate, tapering towards the base into a short petiole;
Stipules caducous, free, scale-like, about obliquely triangular, entire, acutish, glabrous.
Inflorescences axillary, dichasially corymbose.
Flowers bisexual, 5-merous, actinomorphic, perigynous.
Sepals connate for up to 0.2 of their length, quincuncial, glabrous, fleshy to coriaceous in fruit.
Petals quincuncial, almost free, glabrous, distinctly veined.
Stamens 10 or (15-)20, in one whorl;
Ovary superior, 5-celled, glabrous.
Capsule septicidal and septifragal, 5-celled, 5-valvate, without a central column, ovoid-conical or ellipsoid, acute or obtuse, glabrous, smooth;
Ovules! per locule, axile, one on each margin of the carpel, collateral, pendulous, epitropous.
Seeds 1 or 2 per cell, either with a basal wing or with a suprahilar arillode;
Distribution
Asia-Tropical: Jawa (Jawa present); Lesser Sunda Is. present; Maluku (Maluku present), continental Southeast Asia present
In continental Southeast Asia and Malesia 3 spp. (absent in Java, the Lesser Sunda Islands, and the Moluccas).