Eurya

Family Theaceae. Order Theales.

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

Complex hairs absent. Stinging hairs absent. Mature twig indumentum present, or absent; dense, or sparse.

Leaves two-ranked; not scale-like; simple; all of the same type; not modified into spines; coriaceous to leathery, or paper-like; gland-dotted, or not gland-dotted; symmetric at the base; not dissected; smooth margined to with small to large teeth on margin. Epidermis not waxy. Venation pinnate. Secondary veins open; prominent to not prominent, but visible. Smallest veins prominent to 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; dense, or sparse.

Inflorescences present, or represented by solitary flowers only; axillary; the flowers from a single point on the stem; specialized inflorescence units absent; numerous and persistent inflorescence bracts absent. Flowers at least some flowers unisexual; with male and female flowers on the same plant, or with male and female flowers on different plants; 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; persistent in fruit; not growing any further after flowering. Epicalyx absent. Petals present; 5; all joined (base); not fleshy; deciduous; not stalked; entire. Stamens 10-30(-100) (many); filaments present; joined; joined to the perianth; all equal in size; polystemonous. Anthers 2 loculed; attached by the base; not awned; dehiscing by long slits. Ovary superior. Carpels joined; 2-6. Locules 2-6. Styles solitary, or free; 2-6. Stigmas 1-6 lobed; not distinctive. Fruit berry-like; fleshy; not multiple; not splitting; not enclosed in, or sitting on, fleshy perianth parts; wingless. Seeds 100 per fruit (many); barely visible to less than 5 mm; wingless; uniform in cross-section; aril absent; endospermic.

Flowers small and in axillary fascicles; style 1-6, if 1 the 2-6 branched; fruits small berries with numerous seeds. Taxon images: eurya.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.