Hardenbergia Perbrevidens
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''Hardenbergia perbrevidens'' is a species of flowering plant in the family
Fabaceae The Fabaceae or Leguminosae,International Code of Nomenc ...
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 Queensland. It is a twiner with slender stems,
trifoliate The following is a list of terms which are used to describe leaf morphology in the description and taxonomy of plants. Leaves may be simple (a single leaf blade or lamina) or compound (with several leaflets). The edge of the leaf may be regular o ...
leaves with narrowly egg-shaped to narrowly elliptic leaflets, and
raceme A raceme ( or ) or racemoid is an unbranched, indeterminate type of inflorescence bearing flowers having short floral stalks along the shoots that bear the flowers. The oldest flowers grow close to the base and new flowers are produced as the s ...
s of deep mauve to purple flowers with yellow marks.


Description

''Hardenbergia perbrevidens'' is a slender, more or less glabrous twiner with trifoliate leaves on a petiole long, the leaflets narrowly egg-shaped to narrowly elliptic, long and wide. The flowers are arranged in racemes long with up to four flowers on a peduncle long, each 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
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 are long and joined at the base, the upper two lobes fused and the lower three up to long. The petals are deep mauve to purple with yellow marks. Flowering occurs from June to September 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. This hardenbergia is similar to '' H. violacea'', but that species has simple leaves.


Taxonomy

''Hardenbergia perbrevidens'' was first formally described in 1985 by
Rodney John Francis Henderson Rodney John Francis Henderson (born 1938) is an Australian botanist, specialising in taxonomy who worked for more than 48 years for the Queensland Public Service, 41 of those years at the Queensland Herbarium until he retired in 2002. The famili ...
in the journal '' Austrobaileya''. 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 ...
(''perbrevidens'') refers to the short sepal lobes.


Distribution and habitat

''Hardenbergia perbrevidens'' is found in inland north-eastern Queensland where it grows in sandy soil.


Conservation status

This species is listed as of "least concern" under the Queensland Government ''
Nature Conservation Act 1992 The ''Nature Conservation Act 1992'' is an act of the Parliament of Queensland, Australia, that, together with subordinate legislation, provides for the legislative protection of Queensland's threatened biota. As originally published, it prov ...
''.


References

{{Taxonbar, from=Q15537068 Fabales of Australia Flora of Queensland Plants described in 1985 Phaseoleae