Large trees to small trees. Buttresses present, or absent; short. Spines absent. Stilt roots absent. Bark red, brown; not peeling in strips. Slash brown. Vertical stripes in the inner bark or wood absent. Odor absent. Exudate absent. Terminal buds not enclosed by leaves.
Complex hairs present, or absent; star-like. Stinging hairs absent. Mature twig indumentum absent.
Leaves spiral; not scale-like; simple; all of the same type; not modified into spines; coriaceous; not gland-dotted; symmetric at the base; not dissected; smooth margined, or wavy margined, or with small to large teeth on margin. Epidermis not waxy. Venation pinnate. Secondary veins open; prominent. Smallest veins prominent, or not prominent, but visible; ladder like. Intramarginal vein absent. Stalk of blade a quarter to one half the length of the blade to more than half the length of the blade; not winged; attached to base of leaf blade; swollen; swollen at both ends. Stipules present; free from one another; laterally placed; not encircling the twig; scale-like; not fringed; small; not persistent. Domatia absent. Basal glands absent. Hairs on mature leaf present, or absent; sparse.
Inflorescences present; terminal, or axillary; on an unbranched axis, or on a branched axis; specialized inflorescence units absent; numerous and persistent inflorescence bracts absent. Flowers at least some flowers unisexual; with male and female flowers on different plants; stalked; about 0.5 cm long or across; round; with male or female parts not raised on a column. Hypanthium absent. Disk present (glandular); the stamens inside the disk, or the stamens outside the disk. Perianth present; with distinct calyx and corolla whorls. Sepals 4-5; partially joined; persistent in fruit; not growing any further after flowering. Epicalyx absent. Petals absent. Stamens 5-6; filaments present; free of each other; free of the perianth; of different sizes; isomerous; alternating with the sepals (when isomerous). Anthers 2 loculed; attached by the base; not awned; dehiscing by long slits. Ovary superior. Carpels joined; 3. Locules 3. Styles free; 3. Stigmas 2 lobed; not distinctive. Fruit capsular; non-fleshy; not multiple; splitting; not enclosed in, or sitting on, fleshy perianth parts; wingless. Seeds 1 per fruit; less than 5 mm to about 1 cm long; wingless; uniform in cross-section; aril absent; endospermic.
Long petioled; stellate hairs sometimes present; fruit one chambered with one large seed. Taxon images: neoscort.gif
Cite this publication as: Jarvie, J.K. and
Ermayanti (1996 onwards). `Tree Genera of Borneo - Descriptions and
Dallwitz (1980) and Dallwitz, Paine and Zurcher (1993) should also be cited.