Banisters are of teak with stinkwood returns. Common names include natal white stinkwood, red-fruited white-stinkwood and natal elm. Typical species are hardwoods of exceptional height, such as Yellowwood, Stinkwood and Ironwood trees. Stinkwood and Rhodesian teak were used for timber and wood panelling. The interior doors have stinkwood frames and yellowwood panels. Its common names include the helicopter tree, propeller tree, whirly whirly tree, stinkwood or shitwood. Celtis africana, the white stinkwood, is a deciduous tree in the family Cannabaceae. Important forest tree species occurring in the valleys are sickle-leaved yellowwood, stinkwood and red alder. Stinkwood trees can be propagated with some difficulty from cuttings. A stinkwood navigational beacon was first erected on Beacon Island in 1771. These include white stinkwood, hook-thorn, mountain karee, velvet bushwillow, wild pear and puzzle bush. In one corner stands a stinkwood Cape gabled corner cupboard with silver escutcheon plates. Trees include&colon; white stinkwood ("Celtis africana"), forest bushwillow ("Combretum krausii") and umzimbeet ("Millettia grandis").