''Grevillea saccata'', commonly known as pouched grevillea,
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 the
south-west
The points of the compass are a set of horizontal, radially arrayed compass directions (or azimuths) used in navigation and cartography. A compass rose is primarily composed of four cardinal directions—north, east, south, and west—each se ...
of Western Australia. It is a low, spreading to diffuse, scrambling or trailing shrub with linear to oblong or egg-shaped leaves with the narrower end towards the base, and small clusters of red and orange flowers with a lime-green
style.
Description
''Grevillea saccata'' is a diffuse, scrambling or trailing shrub that typically grows to between in height. Its leaves are linear to oblong or egg-shaped with the narrower end towards the base, mostly long and wide. The upper surface of the leaves is hairy, the edges are turned down or rolled under, and the lower surface is covered with shaggy hairs. The flowers are arranged in small clusters in leaf axils or on the ends of branches on a
rachis long, and are red and orange with a lime-green style, 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 June to November and the fruit is a softly-hairy, oval
follicle long.
This grevillea is similar to ''
G. fasciculata'', ''
G. crassifolia'' and ''
G. depauperata''.
Taxonomy
This species was formally described in 1870 by English botanist
George Bentham in ''
Flora Australiensis''.
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 ...
(''saccata'') is a Latin word meaning "pouched", referring to the base of the flowers.
Distribution
Pouched grevillea grows in woodland or open heath, sometimes in swampy places, in sandy to clayey soils on
laterite
Laterite is both a soil and a rock type rich in iron and aluminium and is commonly considered to have formed in hot and wet tropical areas. Nearly all laterites are of rusty-red coloration, because of high iron oxide content. They develop by ...
and is restricted to the area between Mullering Brook in
Badgingarra National Park
Badgingarra National Park is a national park in Western Australia, 190 km north of Perth off the Brand Highway adjacent to the town of Badgingarra.
The park is in area and features high breakaway country overlooking low undulating sandpl ...
,
Dandaragan
Dandaragan is a small town in the Wheatbelt region of Western Australia. The name of Dandaragan was first recorded in 1850 as the name of a nearby gulley and spring or watering hole known as Dandaraga spring. The word is Indigenous Australian i ...
and just north of the
Hill River, in the
Geraldton Sandplains and the
Swan Coastal Plain
The Swan Coastal Plain in Western Australia is the geographic feature which contains the Swan River as it travels west to the Indian Ocean. The coastal plain continues well beyond the boundaries of the Swan River and its tributaries, as a geol ...
bioregions of south-western Western Australia.
Conservation status
''Grevillea saccata'' is listed as "
Priority Four" 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 rare or near threatened.
See also
*
List of ''Grevillea'' species
References
{{Taxonbar, from=Q15583399
saccata
Endemic flora of Western Australia
Eudicots of Western Australia
Proteales of Australia
Taxa named by George Bentham
Plants described in 1870