Oncodostigma

Family Annonaceae. Order Magnoliales.

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

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

Leaves two-ranked; not scale-like; simple; all of the same type; not modified into spines; coriaceous; not gland-dotted; symmetric at the base; not dissected; smooth margined. Epidermis not waxy. Venation pinnate. Secondary veins open; prominent, or not prominent, but visible. Smallest veins prominent, or not prominent, but visible; net like. Intramarginal vein absent. 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 absent.

Inflorescences represented by solitary flowers only; axillary. Flowers bisexual; to about 3 cm long or across; round; with male or female parts not raised on a column. Hypa