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''Grevillea squiresiae'' is a species of flowering plant in the family
''Grevillea squiresiae'' 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 a small area 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 ...
region of Western Australia
Western Australia (commonly abbreviated as WA) is a state of Australia occupying the western percent of the land area of Australia excluding external territories. It is bounded by the Indian Ocean to the north and west, the Southern Ocean to th ...
. It is a single-stemmed shrub, usually with pinnatipartite leaves, the end lobes more or less linear, and clusters of red flowers.
Description
''Grevillea squiresiae'' is a shrub that typically grows up to high and wide, with a single stem at the base. The leaves are mostly pinnatipartite,sessile
Sessility, or sessile, may refer to:
* Sessility (motility), organisms which are not able to move about
* Sessility (botany), flowers or leaves that grow directly from the stem or peduncle of a plant
* Sessility (medicine), tumors and polyps that ...
, long with 3 to 5 lobes usually divided again, the end lobes more or less cyclindrical, long and wide. Both surfaces of the leaves are more or less 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 ...
and leathery. The flowers are arranged in sometimes branched clusters on the ends of branches, each flower on a 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 red with a red 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 ...
, 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'' ...
long. Flowering occurs from September to December and the fruit is an oval, silky-hairy follicle about long.
Taxonomy and naming
''Grevillea squiresiae'' was first formally described in 2002 byPeter M. Olde
Peter may refer to:
People
* List of people named Peter, a list of people and fictional characters with the given name
* Peter (given name)
** Saint Peter (died 60s), apostle of Jesus, leader of the early Christian Church
* Peter (surname), a sur ...
and Neil R. Marriott in the journal ''Nuytsia
''Nuytsia floribunda'' is a hemiparasitic tree found in Western Australia. The species is known locally as moodjar and, more recently, the Christmas tree or Western Australian Christmas tree. The display of intensely bright flowers during the ...
'' from specimens they collected east of Mukinbudin in 1999. The species was discovered by Mary Squire, a farmer and conservationist for whom it is named. 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 ...
is correctly spelled ''squiresiae'' not ''squiresae'' as the name appeared in the original publication, are honours the discoverer of the species.
Distribution and habitat
This grevillea has a limited range, growing on hills, slopes and road verges near Mukinbudin in the Avon Wheatbelt bioregion of south-western Western Australia.Conservation status
''Grevillea squiresiae'' is listed as "Priority One
Prioritization is an action that arranges items or activities in order of importance.
Priority may refer specifically to:
Law
* Priority or right of way on the road, see Traffic § Priority (right of way)
** Priority signs, a traffic sign that ...
" 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 ...
, meaning that it is known from only one or a few locations that are potentially at risk.
See also
*List of Grevillea species
This is a list of ''Grevillea'' species accepted by Plants of the World Online as of December 2021:
A
*'' Grevillea acacioides'' C.A.Gardner ex McGill. (W.A.)
*'' Grevillea acanthifolia'' A.Cunn. – Acanthus-leaved grevillea (N.S.W.)
*:''Grev ...
References
{{Taxonbar, from=Q15582937 squiresiae Proteales of Australia Eudicots of Western Australia Plants described in 2002