''Eucalyptus goniocarpa'' is a species of

mallet A mallet is a tool used for imparting force on another object, often made of rubber or sometimes wood, that is smaller than a maul or beetle, and usually has a relatively large head. General overview The term is descriptive of the ...

that 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 southern Western Australia. It has smooth bark, glossy bluish adult leaves, flower buds in groups of three, creamy-white flowers, and ribbed, conical to barrel-shaped fruit. Eucalyptus goniocarpa buds

Description

''Eucalyptus goniocarpa'' is a mallet, often with a short trunk, that typically grows to a height of , or sometimes a multi-stemmed mallee to , but does not form 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 smooth, grey to brown bark. Young plants and

coppice Coppicing is the traditional method in woodland management of cutting down a tree to a tree stump, stump, which in many species encourages new Shoot (botany), shoots to grow from the stump or roots, thus ultimately regrowing the tree. A forest ...

regrowth have lance-shaped, petiolate leaves that are long and wide. Adult leaves are lance-shaped, glossy bluish, long and wide on a petiole up to long. The flower buds are arranged in groups of three, sometimes seven, in leaf

axil A leaf (: leaves) is a principal appendage of the stem of a vascular plant, usually borne laterally above ground and specialized for photosynthesis. Leaves are collectively called foliage, as in "autumn foliage", while the leaves, stem, fl ...

s, on a flattened, unbranched peduncle long, the individual buds on

pedicels In botany, a pedicel is a stem that attaches a single flower to 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 branch ...

long. Mature buds are elongated oval to spindle-shaped, long and wide with two wings along the sides and an operculum up to twice as long as the floral cup. The flowers are creamy white and the fruit is a woody conical to barrel-shaped capsule long and wide with two wings that extend down the pedicel.

Taxonomy and naming

''Eucalyptus goniocarpa'' was first formally described in 1992 by Ken Hill and

Lawrie Johnson Lawrence Alexander Sidney Johnson (26 June 1925 – 1 August 1997) known as Lawrie Johnson, was an Australian taxonomic botanist. He worked at the Royal Botanic Gardens, Sydney, for the whole of his professional career, as a botanist (1948–1 ...

from a collection made in 1986 by the authors with Donald Blaxell near

Lake King Lake King is a town in the eastern Wheatbelt region of Western Australia, from Perth along State Route 40 between Ravensthorpe and Newdegate. As of 2016, the town had a population of 95. The 2011 census recorded both the population of the t ...

. The description was published in the journal '' Telopea''. The

specific epithet In Taxonomy (biology), taxonomy, binomial nomenclature ("two-term naming system"), also called binary nomenclature, is a formal system of naming species of living things by giving each a name composed of two parts, both of which use Latin gramm ...

is derived from the Greek words ''gonia'' meaning 'an angle', and ''karpos'', 'a fruit', referring to the strongly winged fruit.

Distribution and habitat

This eucalypt is mostly restricted to the area around Lake King where it often grows in thickets.

Conservation status

''Eucalyptus goniocarpa'' is classified as "not threatened" by the Western Australian Government

Department of Parks and Wildlife The Department of Parks and Wildlife (DPaW) was the department of the Government of Western Australia responsible for managing lands described in the ''Conservation and Land Management Act 1984'' and implementing the state's conservation and en ...

References

{{Taxonbar, from=Q15397234 Eucalypts of Western Australia goniocarpa Myrtales of Australia Plants described in 1992

Description

Taxonomy and naming

Distribution and habitat

Conservation status

See also

References