Knobwood (Gnidia Oppositifolia) is a perennial shrub in the Thymelaeaceae family with moderate care difficulty. It requires moderate watering and full sun or partial shade light in USDA hardiness zones 9-11. This plant is toxic to cats and dogs — keep it out of reach of pets.

Gnidia oppositifolia is a perennial shrub or dwarf shrub native to the Southern Cape Province, characterized by much branching and slender, glabrous reddish young branches.