''Beaufortia orbifolia'', commonly known as Ravensthorpe bottlebrush, is a species of flowering plant in the myrtle

family Family (from la, familia) is a group of people related either by consanguinity (by recognized birth) or affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its members and of society. Idea ...

, Myrtaceae and is

endemic Endemism is the state of a species being found 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 found else ...

to the southwest of Western Australia. It is an erect or spreading shrub with round, dished leaves crowded on the younger stems, and bright red flower spikes. It is found in laterite hills near

Ravensthorpe Ravensthorpe may refer to any of the following places. England *Ravensthorpe, Dewsbury in West Yorkshire **Ravensthorpe railway station, Dewsbury *Ravensthorpe, Northamptonshire *Ravensthorpe, Peterborough in Cambridgeshire *Ravensthorpe, an histor ...

. It is distinguished from other beaufortias by having green stamen bundles with the free ends red.

Description

''Beaufortia orbifolia'' is an erect, sometimes open, spreading shrub which grows to a height of about . The leaves are arranged in alternate pairs ( decussate), so that, especially on the younger branches, they make four rows along the stems. The leaves are flat or slightly dished, broad egg-shaped to round, long and have 5 or 7 veins. The flowers are red and green and are arranged in bottlebrush-like spikes about in diameter and long on the ends of branches which continue to grow after flowering. The flowers have 5

sepal A sepal () is a part of the flower of angiosperms (flowering plants). Usually green, sepals typically function as protection for the flower in bud, and often as support for the petals when in bloom., p. 106 The term ''sepalum'' was coine ...

s, 5 petals and 5 bundles of stamens. The stamen bundles contain 3 to 7 stamens, are green in their lower half and red in the upper and joined for about half of their length. Flowering occurs from August to January and is followed by fruits which are woody capsules in roughly spherical or cylindrical clusters.

Taxonomy and naming

''Beaufortia orbifolia'' was first formally described in 1862 by Victorian government botanist, Ferdinand von Mueller in Fragmenta phytographiae Australiae from a specimen collected on the slopes of

East Mount Barren East Mount Barren is a quartzite peak of the Barren Range in Fitzgerald River National Park. It was sighted and named by explorer Matthew Flinders on 6 January 1802, together with two other peaks in the range, West Mount Barren and Middle Moun ...

George Maxwell George Maxwell (1804–1880) was a professional collector of plants and insects in Southwest Australia. The botanical specimens he obtained were used to make formal descriptions of the region's plant species. Biography He was born in England in 18 ...

. The specific epithet (''orbifolia'') is derived from the

Latin Latin (, or , ) is a classical language belonging to the Italic branch of the Indo-European languages. Latin was originally a dialect spoken in the lower Tiber area (then known as Latium) around present-day Rome, but through the power of the ...

''orbis'' meaning "a circle" and ''folium'' meaning "a leaf".

Distribution and habitat

''Beaufortia orbifolia'' mainly occurs near

in the

Avon Wheatbelt The Avon Wheatbelt is a bioregion in Western Australia. It has an area of . It is considered part of the larger Southwest Australia savanna ecoregion. Geography The Avon Wheatbelt bioregion is mostly a gently undulating landscape with low reli ...

, Coolgardie,

Esperance Plains Esperance Plains, also known as Eyre Botanical District, is a biogeographic region in southern Western Australia on the south coast between the Avon Wheatbelt and Hampton bioregions, and bordered to the north by the Mallee region. It is a p ...

and Mallee biogeographic regions. It usually grows in soils derived from laterite or

granite Granite () is a coarse-grained ( phaneritic) intrusive igneous rock composed mostly of quartz, alkali feldspar, and plagioclase. It forms from magma with a high content of silica and alkali metal oxides that slowly cools and solidifies under ...

on stony plains.

Conservation

''Beaufortia orbifolia'' is classified as "not threatened" by the Western Australian Government

Department of Biodiversity, Conservation and Attractions The Department of Biodiversity, Conservation and Attractions (DBCA) is the Western Australian government department responsible for managing lands and waters described in the ''Conservation and Land Management Act 1984'', the ''Rottnest Island ...

References

{{Taxonbar, from=Q15395902 orbifolia Plants described in 1862 Taxa named by Ferdinand von Mueller Endemic flora of Western Australia