Large trees to small trees, or climbers. Buttresses absent. Spines absent. Stilt roots absent. Bark gray, brown; not peeling in strips. Slash gray. 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, or spiral; not scale-like; simple; of different sorts on a single twig, or all of the same type; not modified into spines; coriaceous, or leathery; gland-dotted (Salacia macrophylla), or not gland-dotted; symmetric at the base; not dissected; wavy margined, or with small to large teeth on margin. Epidermis waxy, or not waxy. Venation pinnate. Secondary veins open; prominent. Smallest veins prominent, or not prominent, but visible; net like, or ladder like. Intramarginal vein present. Stalk of blade less than a quarter the length of the blade; not winged; attached to base of leaf blade; not swollen. 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 absent.
Inflorescences present; axillary; the flowers from a single point on the stem, or on a branched axis; specialized inflorescence units absent; numerous and persistent inflorescence bracts absent. Flowers bisexual; stalked; with the parts barely visible to the eye, or about 0.5 cm long or across; round; with male or female parts not raised on a column. Hypanthium absent. Disk present; the stamens outside the disk, or the stamens on the disk. Perianth present; with distinct calyx and corolla whorls. Sepals 3-5; free, or partially joined, or fully joined; joined together and forming a lid, or not joined together and forming a lid; not persistent in fruit; not growing any further after flowering. Epicalyx absent. Petals present; (4-)5(-7); free; not fleshy; deciduous; not stalked; entire. Stamens 2-3; filaments present; free of each other; free of the perianth; all equal in size; anisomerous. Anthers 2 loculed; attached by the base; not awned; dehiscing by short slits. Ovary superior. Carpels joined; (2-)3. Locules (2-)3. Styles solitary. Stigmas 1 lobed; not distinctive. Fruit drupaceous; fleshy; not multiple; not splitting; not enclosed in, or sitting on, fleshy perianth parts; wingless. Seeds 1-100 per fruit (many); less than 5 mm; wingless; uniform in cross-section; aril absent; endospermic.
Usually lianas, sometimes small trees; leaves usually opposite; seeds embedded in a mucilage-like pulp. Taxon images: gensalac.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.