Ixonanthes petiolaris Blume

Trees or treelets up to 30 m, bole up to 50 cm diam. Young bark with punctiform lenticels, older parts striped with numerous lanceolate lenticels. Leaf scars orbicular with 3-5, sometimes distinct vascular scars. Stipules up to 0.5 mm. Leaves elliptic-oblong, 6-15 by 3-7.5 cm, pergamentaceous to subcoria-ceous; base acute; apex slightly obtuse; petiole 1.5-2 cm. Inflorescences densely flowered. Peduncle 3.5-7(-9.5) cm; pedicels c. 5 mm; bracts up to 1 mm. Flowers at anthesis 1.5-3 by 1-2.5 mm. Sepals elliptic to orbicular, 1-1.5 by 1-1.5 mm (in fruit enlarging to 1.5-2 by 1.5-2 mm), thickened at base, laterally with a c. 1.5 mm wide hyaline band; fleshy in fruit. Petals orbicular to elliptic, 2-2.5 by 1-1.5 mm (in fruit enlarging to 2.5-3 by 1.5-2 mm), thickened at base, margin narrowly hyalinous, charta-ceous in fruit. Filaments ultimately up to 15 mm; anthers dorso-versatile. Style up to 2.5 mm. Ovary flattened globose, c. 1.5 by 0.5 mm. Capsule short-ellipsoid, 1.5(-2) by 0.8(-1.2) cm, valves ultimately apically 1-2 mm deep bifid; septa after dehiscence (long-)persistent, adaxially connate with the adjacent ones. Seeds 1-1.3 by 0.3-0.4 cm.

Dense primary forest and the more open, secondary formations; growing on slopes and ridges at elevations up to 800 metres.

Can be grown by seedlings.