''Dillwynia tenuifolia'' is a species of flowering plant in the family
and is
endemic to eastern New South Wales. It is an erect shrub with linear leaves, and orange-yellow and red flowers.
Description
''Dillwynia tenuifolia'' is an erect shrub that typically grows to a height of , its stems covered with short curved hairs. The leaves are linear,
glabrous or sometimes hairy near the tip, and long. The flowers are usually arranged singly in leaf axils or on the ends of branchlets 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 ...
less than long. There are
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 and
bracteoles about long. The
sepals are long and the
standard petal is orange-yellow and red, long. Flowering mainly occurs from February to March and the fruit is a
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 ...
long.
Taxonomy and naming
''Dillwynia tenuifolia'' was first formally described in 1825 by
Augustin Pyramus de Candolle in his ''
Prodromus Systematis Naturalis Regni Vegetabilis''.
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 ...
(''tenuifolia'') means "thin-leaved".
Distribution and habitat
This dillwynia grows in forest between the
Cumberland Plain,
Blue Mountains and Howes Valley on the coast and tablelands of New South Wales.
Conservation status
''Dillwynia tenuifolia'' is listed as "vulnerable: under the New South Wales Government ''
Biodiversity Conservation Act 2016'', and a population in
Kemps Creek
Kemps Creek is a suburb of Sydney, in the state of New South Wales, Australia. It is approximately west of the Sydney central business district, in the local government areas of the City of Penrith and City of Liverpool. It is part of the Gr ...
is listed as an "endangered population" under the same Act. The main threats to the species and to the threatened population include
habitat fragmentation
Habitat fragmentation describes the emergence of discontinuities (fragmentation) in an organism's preferred environment (habitat), causing population fragmentation and ecosystem decay. Causes of habitat fragmentation include geological processes ...
, inappropriate fire regimes, weed
invasion and
recreational vehicle
A recreational vehicle, often abbreviated as RV, is a motor vehicle or trailer that includes living quarters designed for accommodation. Types of RVs include motorhomes, campervans, coaches, caravans (also known as travel trailers and camper ...
use.
References
{{Taxonbar, from=Q5276981
tenuifolia
Fabales of Australia
Flora of New South Wales
Taxa named by Augustin Pyramus de Candolle
Plants described in 1825