Grevillea
357 endemic Aust.; all states and territories.
Shrubs or trees. Leaves alternate. Flowers in racemes, often short and umbel-like; bracts deciduous. Perianth straight or curved; segments rolled back to one side. Hypogynous gland 1, horse-shoe shaped. Anthers sessile in the concave tips of the perianth segments. Style curved, protruding from a slit in the perianth before being finally released; pollen presenter flat to conical, extended around the stigma. Fruit a follicle, thin-walled and brittle when dry, usually oblique. Seeds 2, collateral, wingless or with an annular membranous wing.