Large trees. Buttresses present; short. Spines absent. Stilt roots present, or absent. Bark gray, brown; not peeling in strips. Slash orange, red. 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 spiral, or two-ranked; not scale-like; simple; all of the same type; not modified into spines; coriaceous to leathery; not gland-dotted; symmetric at the base; not dissected; smooth margined. Epidermis not waxy. Venation pinnate. Secondary veins open; prominent, or not prominent, but visible. Smallest veins not prominent, but visible, or not visible; net like. Intramarginal vein absent. Stalk of blade less than a quarter the length of the blade; not winged; attached to base of leaf blade; not swollen. Stipules absent. Domatia absent. Basal glands absent. Hairs on mature leaf absent.
Inflorescences present; axillary; on a branched axis; specialized inflorescence units absent; numerous and persistent inflorescence bracts present at the bottom of the inflorescence. Flowers bisexual; not stalked; about 0.5 cm long or across; round; with male or female parts not raised on a column. Hypanthium absent. Disk absent. Perianth present; with distinct calyx and corolla whorls. Sepals 5; partially joined; not persistent in fruit; not growing any further after flowering. Epicalyx absent. Petals present; (4-)5; free; not fleshy; deciduous; not stalked; entire. Stamens (4-)5; filaments present; free of each other; free of the perianth; all equal in size; isomerous; opposite the sepals (when isomerous). Anthers 2 loculed; not awned; dehiscing by long slits. Ovary superior. Carpels joined. Locules 1. Styles solitary. Stigmas 1 lobed; distinctive; disk-like. Fruit drupaceous; fleshy; not multiple; splitting, or 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; endospermic.
Twigs zig-zag; leaves thick with margins inrolled; inflorescence stalk covered in bracts; flowers not stalked. Taxon images: cantleya.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.