Prunus apricots, of cherries, and of plums, all of which have cultivars developed for commercial fruit and nut production. The almond is not a true nut, the edible part is the seed. Other species are occasionally cultivated or used for their seed and fruit. A number of species, hybrids, and cultivars are grown as ornamental plants, usually for their profusion of flowers, sometimes for ornamental foliage and shape, and occasionally for their bark. The Tree of 40 Fruit has forty varieties grafted on to one rootstock. Species such as blackthorn ("Prunus spinosa"), are grown for hedging, game cover, and other utilitarian
Grevillea spinosa Grevillea spinosa Grevillea spinosa, also known as the spiny grevillea, is an evergreen shrub of the genus "Grevillea" native to an area in the east of the Mid West, northern Goldfields-Esperance and southern Pilbara regions of Western Australia. The prickly shrub typically grows to a height of and has non-glaucous branchlets. It has simple, dissected, subpinnatisect leaves with a blade that is . It blooms from May to September and produces a terminal raceme irregular inflorescence with green or yellow flowers and orange styles. Later it forms red-brown simple hairy oblong to ovoid fruit that is long. The plant has