Parinari

Family Chrysobalanaceae. Order Rosales.

Emergent trees to shrubs. Buttresses present, or absent; short. Spines absent. Stilt roots absent. Bark gray; not peeling in strips. Slash red, brown. Vertical stripes in the inner bark or wood present. Odor absent. Exudate absent. Terminal buds not enclosed by leaves.

Complex hairs present, or absent; disk-shaped. Stinging hairs absent. Mature twig indumentum present, or absent; sparse.

Leaves spiral; not scale-like; simple; all of the same type; not modified into spines; coriaceous; not gland-dotted; very asymmetric at the base, or 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; net like, or ladder 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; not swollen. Stipules present; free from one another; laterally placed; encircling the twig, or not encircling the twig; scale-like, or leafy; not fringed; large, or small; not persistent, or persistent. Domatia present, or absent. Basal glands present, or absent. Hairs on mature leaf present, or absent; dense, or sparse.

Inflorescences present; 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; somewhat asymmetric; with male or female parts not raised on a column. Hypanthium present. Disk present; the stamens outside the disk. Perianth present; with distinct calyx and corolla whorls. Sepals 5; free; not persistent in fruit; not growing any further after flowering. Epicalyx absent. Petals present; 5; free; not fleshy; deciduous; not stalked; entire. Stamens 6-10; filaments present; free of each other; free of the perianth; all equal in size; anisomerous to isomerous; opposite the sepals (when isomerous). Anthers 2 loculed; attached along the side; not awned; dehiscing by long slits. Ovary superior. Carpels joined; 3. Locules 2. 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 per fruit; less than 5 mm; wingless; uniform in cross-section; aril absent; non-endospermic.

Trees can be very large; slash laminated; leaves with stomatal cavities, often hairy; sepals sometimes unequal; stamens on one side of the flower; ovary often not in the center of the flower. Taxon images: parinari.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.