''Isopogon panduratus'' is a 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 to the
southwest of
Western Australia. It is a spreading shrub with narrow egg-shaped leaves and spherical heads of pale pink flowers.
Description
''Isopogon panduratus'' is a shrub that typically grows to about high and wide with smooth brownish branchlets. The leaves are narrow egg-shaped with the narrower end towards the base, long and wide, tapering to a
petiole that expands towards its base. The flowers are arranged in spherical,
sessile heads about mostly forty to seventy pale pink flowers, the heads in diameter, the heads with three to five
whorls of
involucral bracts
In botany, a bract is a modified or specialized leaf, especially one associated with a reproductive structure such as a flower, inflorescence axis or cone scale. Bracts are usually different from foliage leaves. They may be smaller, larger, ...
at the base. Flowering mainly occurs from June to August or August to October, depending on subspecies. The fruit is a hairy
nut about long, fused in a spherical to flattened spherical head long and wide.
Taxonomy and naming
''Isopogon panduratus'' was first formally described in 2010 by
Michael Clyde Hislop
Michael may refer to:
People
* Michael (given name), a given name
* Michael (surname), including a list of people with the surname Michael
Given name "Michael"
* Michael (archangel), ''first'' of God's archangels in the Jewish, Christian and ...
and
Barbara Lynette Rye from specimens collected by Hislop in
Tathra National Park
Tathra National Park is a national park in Western Australia, located north of Perth between the towns of Eneabba and Carnamah on Winchester-Eneabba Road. The name is derived from a Noongar word meaning "beautiful place".
Description
The pa ...
in 2000.
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 ...
(''panduratus'') is a reference to the shape of the inner involucral bracts that of a
pandura.
Hislop and Rye described two subspecies of ''I. panduratus'' and the names are accepted by the
Australian Plant Census:
* ''Isopogon panduratus'' subsp. ''palustris''
Hislop & Rye has mature leaves wide and flowers from August to October;
* ''Isopogon panduratus''
Hislop & Rye subsp. ''panduratus''
has mature leaves wide and flowers from June to August.
Distribution and habitat
Subspecies ''palustris'' grows in heath on the coastal plain between
Cervantes and near
Cataby and subspecies ''panduratus'' is found in heath, sometimes ''
Banksia'' woodland from near
Eneabba to
Watheroo National Park.
References
{{Taxonbar, from1=Q18081680, from2=Q100456913, from3=Q51054519
panduratus
Eudicots of Western Australia
Plants described in 2010
Taxa named by Barbara Lynette Rye