''Pimelea avonensis'' is a species of flowering plant in the family
Thymelaeaceae and is endemic to the south-west of Western Australia. It is a shrub with narrowly egg-shaped or elliptic leaves and clusters of white, tube-shaped flowers.
Description
''Pimelea avonensis'' is a shrub that typically grows to a height of and is single-stemmed at ground level. The leaves are narrowly egg-shaped or linear, long, wide and more or less
sessile with the edges curved downwards. The flowers are borne in erect clusters 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 ...
long with 4 or 6
involucral bracts at the base. Each flower is borne on a hairy
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
...
about long and is white, often pink in the bud stage. The
floral tube is long, the
sepals egg-shaped, long and hairy. Flowering occurs from July to October.
Taxonomy
''Pimelea avonensis '' was first formally described in 1988 by
Barbara Lynette Rye in the journal ''
Nuytsia'' from specimens collected in the
Wongan Hills
Wongan Hills is a range of low flat-topped hills in the Avon Wheatbelt bioregion of Western Australia. It is located at , in the Shire of Wongan–Ballidu.
History
The range was first recorded in 1836 by Surveyor General of Western Australia Jo ...
in 1983.
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 ...
(''avonensis'') refers to the
Avon Botanical District in which this species occurs.
Distribution and habitat
This pimelea mainly grows on sandplains and breakaways, often in woodland and shrubland, mainly from Wilroy Nature Reserve near
Mullewa, southeast to
Moorine Rock in the
Avon Wheatbelt,
Coolgardie,
Geraldton Sandplains and
Yalgoo bioregions of south-western Western Australia.
Conservation status
''Pimelea avonensis'' is listed as "not threatened" by the Government of Western Australia
Department of Biodiversity, Conservation and Attractions
The Department of Biodiversity, Conservation and Attractions (DBCA) is the Western Australian government
The Government of Western Australia, formally referred to as His Majesty's Government of Western Australia, is the Australian state de ...
.
References
{{Taxonbar, from=Q17581880
avonensis
Endemic flora of Western Australia
Malvales of Australia
Plants described in 1988