''Chorizema rhombeum'' is a species of flowering plant in the family
and is
endemic to the
southwest of Western Australia. It is a prostrate to ascending or twining shrub with egg-shaped or rhombic leaves, and orange to pink, or red and yellow pea flowers.
Description
''Chorizema rhombeum'' is a prostrate to ascending or twining shrub. Its leaves are egg-shaped with the narrower end towards the base, or rhombic, long and wide, the upper leaves often lance-shaped and longer. The flowers are orange to pink, or red and yellow, arranged on a
peduncle Peduncle may refer to:
*Peduncle (botany), a stalk supporting an inflorescence, which is the part of the shoot of seed plants where flowers are formed
*Peduncle (anatomy), a stem, through which a mass of tissue is attached to a body
**Peduncle (art ...
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 sepals are long and hairy, the upper lobes joined above the middle. The
standard petal is long and
glabrous, the
wings long, and the
keel is long. Flowering occurs from August to December and the
pod
Pod or POD may refer to:
Biology
* Pod (fruit), a type of fruit of a flowering plant
* Husk or pod of a legume
* Pod of whales or other marine mammals
* "-pod", a suffix meaning "foot" used in taxonomy
Electronics and computing
* Proper ort ...
is about long.
Taxonomy and naming
''Chorizema rhombeum'' was first formally described in 1811 by
Robert Brown in
William Aiton's ''
Hortus Kewensis
''Hortus Kewensis, or a Catalogue of the Plants Cultivated in the Royal Botanic Garden at Kew'' by William Aiton was a 1789 catalogue of all the plant species then in cultivation at the Royal Botanic Gardens, Kew
Royal Botanic Gardens, Kew is ...
''.
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 ...
(''rhombeum'') means "rhombus", referring to the shape of the leaves.
Distribution and habitat
''Chorizema rhombeum'' grows on gentle slopes, river banks and on exposed coastal sites from about
Perth to the
Stirling Range
The Stirling Range or Koikyennuruff is a range of mountains and hills in the Great Southern region of Western Australia, south-east of Perth. It is over wide from west to east, stretching from the highway between Mount Barker and Cranb ...
in the
Esperance Plains,
Jarrah Forest,
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 ...
and
Warren
A warren is a network of wild rodent or lagomorph, typically rabbit burrows. Domestic warrens are artificial, enclosed establishment of animal husbandry dedicated to the raising of rabbits for meat and fur. The term evolved from the medieval Angl ...
bioregions of south-western Western Australia.
References
{{Taxonbar, from=Q15528848
rhombeum
Fabales of Australia
Flora of Western Australia
Plants described in 1811
Taxa named by Robert Brown (botanist, born 1773)