Emergent trees to small trees. Buttresses present, or absent; tall, or short. Spines absent. Stilt roots absent. Bark gray, brown, black; not peeling in strips. Slash yellow, red, brown. Vertical stripes in the inner bark or wood absent. Odor aromatic. Exudate present, or absent; colorless; spotty; not blackening on exposure to air. Terminal buds not enclosed by leaves.
Complex hairs absent. Stinging hairs absent. Mature twig indumentum absent.
Leaves spiral, or two-ranked; not scale-like; compound; pinnate; without a terminal leaflet; leaflets opposite; all of the same type; not modified into spines; coriaceous; gland-dotted, or not gland-dotted; symmetric at the base; not dissected; smooth margined. Epidermis not waxy. Venation pinnate. Secondary veins open, or closed; not prominent, but visible, or not visible. Smallest veins not prominent, but visible, or not visible; net like. Intramarginal vein present, or absent. Stalk of blade less than a quarter the length of the blade; not winged; attached to base of leaf blade; swollen; swollen at one end. Stipules present; free from one another, or joined (sometimes in the lower half); laterally placed; not encircling the twig; scale-like, or leafy; not fringed; large, or small; not persistent. Domatia absent. Basal glands absent. Hairs on mature leaf present, or absent; dense, or sparse.
Inflorescences present; terminal, or axillary; on a branched axis; specialized inflorescence units absent; numerous and persistent inflorescence bracts absent. Flowers bisexual; stalked; about 0.5 cm long or across to to about 3 cm long or across; with one plane of symmetry; with male or female parts raised on a column; with the female parts of the flower raised on a stalk. Hypanthium present (very short). Disk absent. Perianth present; with distinct calyx and corolla whorls. Sepals 4; partially joined; not persistent in fruit; not growing any further after flowering. Epicalyx absent. Petals present; 1; free; fleshy, or not fleshy; deciduous; not stalked; entire. Stamens 10 (9+1 arrangement); filaments present; joined (basally); free of the perianth; of different sizes; diplostemonous. Anthers 2 loculed; attached along the side; not awned; dehiscing by short slits, or dehiscing by long slits. Ovary superior. Carpels solitary; 1. Locules 1. Styles solitary. Stigmas 1 lobed; distinctive; head shaped. Fruit legume-like; non-fleshy; not multiple; splitting; not enclosed in, or sitting on, fleshy perianth parts; wingless. Seeds 2-10 per fruit; less than 5 mm, or about 1 cm long; wingless; uniform in cross-section; aril present, or aril absent; non-endospermic.
Often canopy trees; buttresses tall and often spreading; bark smooth and hooped; exudate aromatic; leaves paripinnate; leaflets slightly asymmetric; tertiary veins forming delicate but dense reticulations; fruit spiny; seeds on large yellow or red arils. Taxon images: sindora.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.