''Grevillea byrnesii'' is a species of flowering plant in the family
Proteaceae
The Proteaceae form a family of flowering plants predominantly distributed in the Southern Hemisphere. The family comprises 83 genera with about 1,660 known species. Together with the Platanaceae and Nelumbonaceae, they make up the order Pro ...
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 elsew ...
to north-western Australia. It is a shrub with broadly egg-shaped leaves and orange flowers.
Description
''Grevillea byrnesii'' is a shrub that typically grows to a height of . Its leaves are broadly egg-shaped, sometimes with the narrower end towards the base, long and wide, sometimes with up to seven coarse teeth on the edges. The flowers are arranged in loose cone-shaped or cylindrical groups in leaf axils or at the ends of branchlets, the
rachis
In biology, a rachis (from the grc, ῥάχις [], "backbone, spine") is a main axis or "shaft".
In zoology and microbiology
In vertebrates, ''rachis'' can refer to the series of articulated vertebrae, which encase the spinal cord. In this c ...
long, each flower on a downturned
pedicel
Pedicle or pedicel may refer to:
Human anatomy
*Pedicle of vertebral arch, the segment between the transverse process and the vertebral body, and is often used as a radiographic marker and entry point in vertebroplasty and kyphoplasty procedures
...
long. The flowers are orange, the
pistil
Gynoecium (; ) is most commonly used as a collective term for the parts of a flower that produce ovules and ultimately develop into the fruit and seeds. The gynoecium is the innermost whorl of a flower; it consists of (one or more) ''pistils'' ...
is long and the
style
Style is a manner of doing or presenting things and may refer to:
* Architectural style, the features that make a building or structure historically identifiable
* Design, the process of creating something
* Fashion, a prevailing mode of clothing ...
has a yellow tip. Flowering occurs from May to August and the fruit is a
glabrous
Glabrousness (from the Latin ''glaber'' meaning "bald", "hairless", "shaved", "smooth") is the technical term for a lack of hair, down, setae, trichomes or other such covering. A glabrous surface may be a natural characteristic of all or part of ...
follicle long.
Taxonomy
''Grevillea byrnesii'' was first formally described in 1986 by
Donald McGillivray in his book ''New Names in Grevillea (Proteaceae)'', based on specimens he collected in 1978.
The
specific epithet
In taxonomy, binomial nomenclature ("two-term naming system"), also called nomenclature ("two-name naming system") or binary nomenclature, is a formal system of naming species of living things by giving each a name composed of two parts, bot ...
(''byrnesii'') honours
Norman Byrnes.
Distribution and habitat
This grevillea grows in shrubland and open woodland on ridge tops and sand dunes in the
East Kimberley and
Great Sandy Desert
The Great Sandy Desert is an interim Australian bioregion,[IBRA Version 6.1](_blank)
data regions of northern Western Australia, and in the
Victoria River district of the Northern Territory.
Conservation status
''Grevillea byrnesii'' is listed as "
Least Concern
A least-concern species is a species that has been categorized by the International Union for Conservation of Nature (IUCN) as evaluated as not being a focus of species conservation because the specific species is still plentiful in the wild. T ...
" on the
IUCN Red List of Threatened Species
The International Union for Conservation of Nature (IUCN) Red List of Threatened Species, also known as the IUCN Red List or Red Data Book, founded in 1964, is the world's most comprehensive inventory of the global conservation status of biologi ...
and under the Northern Territory Government ''
Territory Parks and Wildlife Conservation Act.'' It is also listed as "not threatened" by the Government of Western Australia
Department of Biodiversity, Conservation and Attractions
The Department of Biodiversity, Conservation and Attractions (DBCA) is the Western Australian government
The Government of Western Australia, formally referred to as His Majesty's Government of Western Australia, is the Australian state de ...
.
References
{{Taxonbar, from=Q5607891
byrnesii
Proteales of Australia
Taxa named by Donald McGillivray
Plants described in 1986
Flora of the Northern Territory
Flora of Western Australia