Large trees to small trees. Buttresses present, or absent; short. Spines absent. Stilt roots absent. Bark white, cream, gray; not peeling in strips. Slash yellow. Vertical stripes in the inner bark or wood absent. Odor absent. Exudate absent. Terminal buds not enclosed by leaves.
Complex hairs absent. Stinging hairs absent. Mature twig indumentum absent.
Leaves opposite; not scale-like; simple, or compound; with three leaflets, or palmate; with a terminal leaflet; leaflets opposite; all of the same type; not modified into spines; coriaceous, or leathery; not gland-dotted; very asymmetric at the base, or symmetric at the base; not dissected; smooth margined. Epidermis not waxy. Venation pinnate. Secondary veins open; prominent. Smallest veins prominent, or not prominent, but visible; ladder like. Intramarginal vein present, or absent. Stalk of blade less than a quarter the length of the blade to more than half the length of the blade; winged, or not winged; attached to base of leaf blade; not swollen, or swollen; swollen at one end (top). Stipules absent. Domatia absent. Basal glands absent.
Inflorescences present; on a branched axis; specialized inflorescence units absent; numerous and persistent inflorescence bracts absent. Flowers bisexual; stalked; about 0.5 cm long or across; with male or female parts not raised on a column. Hypanthium absent. Perianth present; with distinct calyx and corolla whorls. Sepals 5; partially joined; persistent in fruit, or not persistent in fruit; not growing any further after flowering. Epicalyx absent. Petals present; 5; all joined; not fleshy; deciduous; not stalked; entire. Stamens 4; filaments present; free of each other; joined to the perianth; all equal in size; anisomerous. Anthers 2 loculed; attached along the side; not awned; dehiscing by long slits. Ovary superior. Carpels joined; 2. Locules 2. Styles solitary. Stigmas 2 lobed; not distinctive. Fruit drupaceous; fleshy; not multiple; not splitting; not enclosed in, or sitting on, fleshy perianth parts; wingless. Seeds 1 per fruit; less than 5 mm; wingless; uniform in cross-section; aril absent; non-endospermic.
Medium to large trees; leaves simple, trifoliate or palmate, sometimes purple when young, swollen at the top of the petiole; upper lip of flower 2-lobed or entire, lower lip 3 lobed; style bifid; fruit a one seeded drupe. Taxon images: teijs.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.