''Hakea ivoryi'' , commonly known as Ivory's hakea, corkwood or the corkbark tree, is a shrub or small tree in the family ''

Proteaceae The Proteaceae form a family (biology), family of flowering plants predominantly distributed in the Southern Hemisphere. The family comprises 83 genus, genera with about 1,660 known species. Australia and South Africa have the greatest concentr ...

'' and is

endemic Endemism is the state of a species being found only in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also foun ...

to an area in the South West region of

Queensland Queensland ( , commonly abbreviated as Qld) is a States and territories of Australia, state in northeastern Australia, and is the second-largest and third-most populous state in Australia. It is bordered by the Northern Territory, South Austr ...

and the north west of

New South Wales New South Wales (commonly abbreviated as NSW) is a States and territories of Australia, state on the Eastern states of Australia, east coast of :Australia. It borders Queensland to the north, Victoria (state), Victoria to the south, and South ...

Description

''Hakea ivoryi'' is shrub or small tree typically grows to a height of with white flat silky hairs becoming smooth along branchlets and forms a

lignotuber A lignotuber is a woody swelling of the root crown possessed by some plants as a protection against destruction of the plant stem, such as by fire. Other woody plants may develop basal burls as a similar survival strategy, often as a respons ...

. It has simple needle-like leaves long with silky hairs becoming hairless with age. Young trees often have highly divided segmented leaves. The bark is brown, rough and corky. The

inflorescence In botany, an inflorescence is a group or cluster of flowers arranged on a plant's Plant stem, stem that is composed of a main branch or a system of branches. An inflorescence is categorized on the basis of the arrangement of flowers on a mai ...

consists of 20–50 white-cream flowers on a short stem and appear in leaf axils from October to January. The fruit are smooth, egg-shaped long and wide ending with a short beak.

Taxonomy and naming

''Hakea ivoryi'' was first formally described by

Frederick Manson Bailey Frederick Manson Bailey (8 March 1827 – 25 June 1915) was a botanist active in Australia, who made valuable contributions to the characterisation of the flora of Queensland. He was known by his middle name, Manson. Early life Bailey was bo ...

in 1901 as part of the work ''The Queensland Flora'' and the description was published in The Queensland Flora. ''Hakea ivoryi'' was named after William Ivory who collected specimens for Frederick Bailey.

Distribution and habitat

Scattered or growing in small groups on sand plains or loam in open arid woodland in the Bourke-

Wanaaring Wanaaring is a remote outback village in north western New South Wales, Australia. Situated on the Paroo River, some 980 kilometres from Sydney, and 180 km west of Bourke. At the , Wanaaring had a population of 81. Wanaaring is on the "Cut ...

districts and south-western

References

{{Taxonbar, from=Q18081445 ivoryi Flora of Queensland Flora of New South Wales Plants described in 1901