''Dillwynia glaucula'', commonly known as Michelago parrot-pea,
is a species of flowering plant in the family
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 south-eastern New South Wales. It is an erect shrub with
lenticel
A lenticel is a porous tissue consisting of cells with large intercellular spaces in the periderm of the secondarily thickened organs and the bark of woody stems and roots of dicotyledonous flowering plants. It functions as a pore, providing a ...
s on the stems, linear, grooved leaves and yellow flowers with red markings.
Description
''Dillwynia glaucula'' is an erect shrub that typically grows to a height of and has
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 ...
stems with conspicuous yellow lenticels. The leaves are linear, triangular in cross-section long with a longitudinal groove on the upper surface and
glaucous
''Glaucous'' (, ) is used to describe the pale grey or bluish-green appearance of the surfaces of some plants, as well as in the names of birds, such as the glaucous gull (''Larus hyperboreus''), glaucous-winged gull (''Larus glaucescens''), g ...
when young. The flowers are arranged singly in upper leaf axils on a
peduncle long with egg-shaped
bract
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, or of ...
s long and similar
bracteoles
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, or of ...
. The flowers are yellow with red markings, the
sepal
A sepal () is a part of the flower of angiosperms (flowering plants). Usually green, sepals typically function as protection for the flower in bud, and often as support for the petals when in bloom., p. 106 The term ''sepalum'' was coined b ...
s long and the
standard petal long but much broader.
Taxonomy
''Dillwynia glaucula'' was first formally described in 1998 by
Peter Craig Jobson and
Peter Henry Weston
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 ...
in the journal ''
Telopea'' from specimens they collected near
Windellama
Windellama is a rural locality in the Southern Tablelands of New South Wales, Australia in the Goulburn Mulwaree Council. It is northeast of Canberra and southeast of Goulburn. At the , it had a population of 417. Windellama is a popular locatio ...
in 1997.
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 ...
(''glaucula'') is the diminutive form of the Latin word ''glaucus'' meaning "bluish-green", and refers to the colour of the young leaves of this species.
Distribution and habitat
This dillwynia grows in woodland near Windellama,
Michelago
Michelago is a village in the Monaro region of New South Wales, Australia. The village is in the Snowy Monaro Regional Council local government area, south of Canberra on the Monaro Highway. It was founded in the 1820s, on the main route from ...
and
Numeralla
Numeralla is a village in Snowy Monaro Region of New South Wales, Australia. In 2016, the population of the village and its surrounding area was 258. The village was known as Umaralla until 1972.
Location
It is 400 km from Sydney and 23km east ...
on the
Southern Tablelands
The Southern Tablelands is a Regions of New South Wales, geographic area of New South Wales, Australia, located south-west of Sydney and west of the Great Dividing Range.
The area is characterised by Plateau, high, flat country which has gene ...
of New South Wales.
Conservation status
''Dillwynia glaucula'' is listed as "endangered" under the New South Wales Government ''
Threatened Species Conservation Act 1995
The ''Threatened Species Conservation Act 1995 (TSC Act)'' was enacted by the Parliament of New South Wales in 1995 to protect threatened species, populations and ecological communities in NSW. In 2016 it was replaced by the '' Biodiversity Co ...
''.
References
{{Taxonbar, from=Q28771442
glaucula
Fabales of Australia
Flora of New South Wales
Plants described in 1998