Davidsonia johnsonii, commonly known as smooth Davidson's plum, is a small tree

Tree

A tree is a perennial woody plant. It is most often defined as a woody plant that has many secondary branches supported clear of the ground on a single main stem or trunk with clear apical dominance. A minimum height specification at maturity is cited by some authors, varying from 3 m to...

 native to rainforests of eastern Australia

Australia

Australia , officially the Commonwealth of Australia, is a country in the Southern Hemisphere comprising the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands in the Indian and Pacific Oceans. It is the world's sixth-largest country by total area...

. The leaves

Leaves

-History:Vocalist Arnar Gudjonsson was formerly the guitarist with Mower, and he was joined by Hallur Hallsson , Arnar Ólafsson , Bjarni Grímsson , and Andri Ásgrímsson . Late in 2001 they played with Emiliana Torrini and drew early praise from the New York Times...

 are compound, glossy and hairless. It is a very rare

Rare species

A rare species is a group of organisms that are very uncommon or scarce. This designation may be applied to either a plant or animal taxon, and may be distinct from the term "endangered" or "threatened species" but not "extinct"....

 tree in the wild, but is cultivated for its edible fruit

Fruit

In broad terms, a fruit is a structure of a plant that contains its seeds.The term has different meanings dependent on context. In non-technical usage, such as food preparation, fruit normally means the fleshy seed-associated structures of certain plants that are sweet and edible in the raw state,...

.

The fruit is a deep burgundy colour, with a sour flavour and is popular in jams

Jams

Jams is a line of clothing produced by Jams World. Jams shorts, a popular clothing item in the 1960s and 1980s, were closely associated with the surf scenes in California and Hawaii.-History:...

. It is cultivated in small plantations. Due to infertile seeds it can only be propagated from cuttings or division

Division (horticulture)

Division, in horticulture and gardening, is a method of asexual plant propagation, where the plant is broken up into two or more parts...

. Hence all cultivated material is derived from clones of wild plants. Plants take at least six years to produce fruit. Some selections are heavy bearing.