Glycosmis

Family Rutaceae. Order Rutales.

Small trees to shrubs. Buttresses absent. Spines absent. Stilt roots absent. Bark cream, gray, brown; not peeling in strips. Exudate absent. Terminal buds not enclosed by leaves.

Complex hairs absent. Stinging hairs absent. Mature twig indumentum absent.

Leaves spiral; not scale-like; simple, or compound; pinnate; with a terminal leaflet; leaflets opposite, or leaflets alternate; of different sorts on a single twig, or all of the same type; not modified into spines; coriaceous, or leathery, or paper-like; 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; net 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 absent. 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 bisexual; stalked; about 0.5 cm long or across; round; with male or female parts raised on a column, or not raised on a column; with the female parts of the flower raised on a stalk. Hypanthium absent. Disk present; 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 present; (4-)5; free; not fleshy; deciduous; not stalked; entire. Stamens (8-)10; filaments present; free of each other; free of the perianth; of different sizes; diplostemonous. Anthers 2 loculed; attached along the side; not awned; dehiscing by long slits. Ovary superior. Carpels joined; 2-5. Locules 2-5. Styles solitary. Stigmas 2-5 lobed; not distinctive. Fruit berry-like; fleshy, or non-fleshy; not multiple; not splitting; not enclosed in, or sitting on, fleshy perianth parts; wingless. Seeds 1-2(-3) per fruit; less than 5 mm; wingless; uniform in cross-section; aril absent; endospermic.

Buds covered in red-brown hairs; ;eaves usually compound and gland-dotted. Taxon images: glycosmi.gif


Cite this publication as: Jarvie, J.K. and Ermayanti (1996 onwards). `Tree Genera of Borneo - Descriptions and Illustrations' URL http://django.harvard.edu/users/jjarvie/Borneo.htm/.
Dallwitz (1980) and Dallwitz, Paine and Zurcher (1993) should also be cited.