''Boronia purdieana'' is a plant in the citrus
family,
Rutaceae and is
endemic to the
south-west
The points of the compass are a set of horizontal, radially arrayed compass directions (or azimuths) used in navigation and cartography. A compass rose is primarily composed of four cardinal directions—north, east, south, and west—each se ...
of
Western Australia. It is a shrub with
pinnate leaves and yellow, four-
petal
Petals are modified Leaf, leaves that surround the reproductive parts of flowers. They are often advertising coloration, brightly colored or unusually shaped to attract pollinators. All of the petals of a flower are collectively known as the ''c ...
led flowers arranged singly in leaf
axil
A leaf ( : leaves) is any of the principal appendages of a vascular plant stem, usually borne laterally aboveground and specialized for photosynthesis. Leaves are collectively called foliage, as in "autumn foliage", while the leaves, st ...
s.
Description
''Boronia purdieana'' is a shrub that grows to a height of with its young stems covered with long, soft leaves. The leaves are long and have five, seven or nine leaflets. The leaflets are linear to narrow oblong or wedge-shaped and long. The flowers are yellow, occasionally red and are arranged singly in leaf axils, each flower on a thin
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 four
sepals are egg-shaped and long. The four
petal
Petals are modified Leaf, leaves that surround the reproductive parts of flowers. They are often advertising coloration, brightly colored or unusually shaped to attract pollinators. All of the petals of a flower are collectively known as the ''c ...
s are broadly egg-shaped long with a rounded end. The four
stamen
The stamen (plural ''stamina'' or ''stamens'') is the pollen-producing reproductive organ of a flower. Collectively the stamens form the androecium., p. 10
Morphology and terminology
A stamen typically consists of a stalk called the filame ...
s near the sepals have warty
filaments and
vestigial anthers
The stamen (plural ''stamina'' or ''stamens'') is the pollen-producing reproductive organ of a flower. Collectively the stamens form the androecium., p. 10
Morphology and terminology
A stamen typically consists of a stalk called the filam ...
, whilst the four near the petals have smooth filaments and fertile, reddish brown anthers. Flowering occurs from May to October.
Taxonomy and naming
''Boronia purdieana'' was first formally described in 1904 by
Ludwig Diels and the description was published in ''
''.
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 ...
(''purdieana'') honours
Alexander Purdie.
Two subspecies were described in 1998:
* ''Boronia purdieana'' subsp. ''purdieana'' with more or less square, not curved anthers about long;
* ''Boronia purdieana'' subsp. ''calcicola'' with oblong, curved anthers about long.
Distribution and habitat
Winter boronia grows in swampy areas and on coastal plains and rock outcrops. Subspecies ''purdieana'' is found near the west coast between the northern suburbs of
Perth and
Shark Bay
Shark Bay (Malgana: ''Gathaagudu'', "two waters") is a World Heritage Site in the Gascoyne region of Western Australia. The http://www.environment.gov.au/heritage/places/world/shark-bay area is located approximately north of Perth, on the ...
with a
disjunct population near
Leonora. Subspecies ''calcicola'' occurs between
Kalbarri National Park and Shark Bay.
Conservation
Both subspecies of ''Boronia purdieana'' are classified as "not threatened" by the Western Australian Government
Department of Parks and Wildlife
The Department of Parks and Wildlife (DPaW) was the department of the Government of Western Australia responsible for managing lands described in the ''Conservation and Land Management Act 1984'' and implementing the state's conservation and e ...
.
References
{{Taxonbar, from=Q15388482
purdieana
Flora of Western Australia
Plants described in 1904
Taxa named by Ludwig Diels