Santalum acuminatum, the Desert Quandong is a hemiparasitic plant in the Sandlewood family Santalaceae, widely dispersed throughout the central deserts and southern areas of Australia. The species, especially its fruit is also referred to as Quandong or native peach.  The use of the fruit as an exotic flavouring, one of the best-known bush foods, has led to the attempted domestication of the species.

A tall shrub or small tree to 6 metres (20 ft), its bark is rough and dark grey; the branches tending to have a weeping habit; the leaves are slender to ovate with an acute tip, opposite, shortly petiolate, leathery and pale or yellow-green; the flowers are green or white on the outer parts and reddish or brown on the inner and fragrant; the fruit is a reddish-brown drupe, with 3 mm of flesh covering a 20-40 mm round, brown nut. The skin of the fruit is waxy and the tree takes 4 years to bear.