Trevesia

Family Araliaceae. Order Apiales.

Small trees to shrubs. Buttresses absent. Spines present, or absent; on branches. Stilt roots absent. Bark gray; not peeling in strips. Exudate absent. Terminal buds enclosed by leaves (cataphylls).

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

Leaves spiral; not scale-like; simple, or compound; palmate; all of the same type; not modified into spines; coriaceous to leathery; not gland-dotted; symmetric at the base; dissected, or not dissected; palmately lobed; smooth margined, or with small to large teeth on margin. Epidermis not waxy. Venation palmate. Secondary veins open; prominent, or not prominent, but visible. Smallest veins prominent, or not prominent, but visible; net like, or ladder like. Intramarginal vein absent. Stalk of blade less than a quarter the length of the blade to more than half the length of the blade; not winged; attached to base of leaf blade; swollen; swollen at both ends. Stipules present; joined; laterally placed; not encircling the twig; leafy; not fringed; large; persistent. Domatia absent. Basal glands absent. Hairs on mature leaf present, or absent; dense, or sparse.

Inflorescences present; terminal; on an unbranched axis, or on a branched axis; specialized inflorescence units present; specialized inflorescence units umbels; numerous and persistent inflorescence b