''Quoya verbascina'', commonly known as golden bush, is a
flowering plant
Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae (), commonly called angiosperms. They include all forbs (flowering plants without a woody stem), grasses and grass-like plants, a vast majority of ...
in the mint
family
Family (from la, familia) is a group of people related either by consanguinity (by recognized birth) or affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its members and of society. Idea ...
Lamiaceae
The Lamiaceae ( )
or Labiatae are a family of flowering plants commonly known as the mint, deadnettle or sage family. Many of the plants are aromatic in all parts and include widely used culinary herbs like basil, mint, rosemary, sage, savo ...
and is endemic to
Western Australia
Western Australia (commonly abbreviated as WA) is a state of Australia occupying the western percent of the land area of Australia excluding external territories. It is bounded by the Indian Ocean to the north and west, the Southern Ocean to ...
. It is an erect shrub with its branches and leaves densely covered with woolly hairs. The leaves are often oblong but very variable in shape and the flowers are pinkish-white with pink spots inside and are surrounded by yellow woolly
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 ...
s.
Description
''Quoya verbascina'' is an erect shrub with its main stem and branches densely covered with woolly, branched, dark brownish-red or pale brownish-yellow hairs, often appearing yellowish in the upper parts of the plant. The leaves are often elliptic to oblong in shape but otherwise very variable. They are mostly long, wide, thick, soft and densely covered with woolly hairs.
The flowers are arranged in the upper 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, ...
s, usually in a groups of between five and nine flowers, each on a woolly
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
...
mostly long. There are
bracts and smaller
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 ...
which are woolly on the outside, at the base of the flowers. The five yellow sepals are long and joined at the base to form a tube long, with thin, lance-shaped lobes on the end. The sepal tube is densely covered with woolly hairs on the outside and more or less
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 o ...
on the inside. The
petal
Petals are modified leaves that surround the reproductive parts of flowers. They are often brightly colored or unusually shaped to attract pollinators. All of the petals of a flower are collectively known as the ''corolla''. Petals are usuall ...
s are pinkish-white with pink spots inside the petal tube. The five petals are long, forming a tube long with a wide opening and five lobes. The two upper lobes are short and oblong, the two lower outer lobes are small and triangular and the middle lobe is more than twice as large as the other four. The outside of the petal tube is covered with short, soft hairs and is
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 o ...
inside apart from a ring of hairs around the
ovary
The ovary is an organ in the female reproductive system that produces an ovum. When released, this travels down the fallopian tube into the uterus, where it may become fertilized by a sperm. There is an ovary () found on each side of the bod ...
. 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 filam ...
s are about as long as the petal tube, the upper pair much shorter than the lower pair. Flowering occurs mainly from July to December and is followed by fruit which is a curved oval shape, long, covered with soft hairs and has the sepals attached.
Taxonomy and naming
This species was first formally described in 1859 by
Ferdinand von Mueller
Baron Sir Ferdinand Jacob Heinrich von Mueller, (german: Müller; 30 June 1825 – 10 October 1896) was a German-Australian physician, geographer, and most notably, a botanist. He was appointed government botanist for the then colony of Vic ...
who gave it the name ''Chloanthes verbascina''. The description was published in ''
Fragmenta phytographiae Australiae'' from a specimen collected by
Augustus Oldfield
Augustus Frederick Oldfield (1821–1887) was an English botanist and zoologist who made large collections of plant specimens in Australia.
Oldfield was born on 12 January 1821 in London, England. He made botanical collections in Tasmania, the coa ...
near the
Murchison River.
In 1870,
George Bentham
George Bentham (22 September 1800 – 10 September 1884) was an English botanist, described by the weed botanist Duane Isely as "the premier systematic botanist of the nineteenth century". Born into a distinguished family, he initially studi ...
changed the name to ''Pityrodia verbascina''
but in 2011,
Barry Conn
Barry John Conn (Barry Conn, born 1948), is an Australian botanist. He was awarded a Ph.D. from Adelaide University in 1982 for work on ''Prostanthera''.
Career
Conn's first appointment as a botanist was with the Lae Herbarium in 1974. He ...
and Murray Henwood changed it to ''Quoya verbascina'' and published the change in ''
Australian Systematic Botany
''Australian Systematic Botany'' is an international peer-reviewed scientific journal published by CSIRO Publishing. It is devoted to publishing original research, and sometimes review articles, on topics related to systematic botany, such as bi ...
''.
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 ...
(''verbascina'') is derived from the
Latin
Latin (, or , ) is a classical language belonging to the Italic branch of the Indo-European languages. Latin was originally a dialect spoken in the lower Tiber area (then known as Latium) around present-day Rome, but through the power ...
name for the plant commonly known as "
mullein".
Distribution and habitat
Golden bush mostly grows in shrubland or in
kwongan
Kwongan is plant community found in south-western Western Australia. The name is a Bibbelmun (Noongar) Aboriginal term of wide geographical use defined by Beard (1976) as
Kwongan has replaced other terms applied by European botanists such as ...
, often on road verges. It is mostly found between
Carnarvon and
Moora in the
Avon Wheatbelt
The Avon Wheatbelt is a bioregion in Western Australia. It has an area of . It is considered part of the larger Southwest Australia savanna ecoregion.
Geography
The Avon Wheatbelt bioregion is mostly a gently undulating landscape with low reli ...
,
Carnarvon,
Geraldton Sandplains
Geraldton ( Wajarri: ''Jambinu'', Wilunyu: ''Jambinbirri'') is a coastal city in the Mid West region of the Australian state of Western Australia, north of the state capital, Perth.
At June 2018, Geraldton had an urban population of 37,648. ...
,
Murchison,
Swan Coastal Plain
The Swan Coastal Plain in Western Australia is the geographic feature which contains the Swan River as it travels west to the Indian Ocean. The coastal plain continues well beyond the boundaries of the Swan River and its tributaries, as a geo ...
and
Yagoo biogeographic regions
A biogeographic realm or ecozone is the broadest biogeographic division of Earth's land surface, based on distributional patterns of terrestrial organisms. They are subdivided into bioregions, which are further subdivided into ecoregions.
De ...
.
Conservation
''Quoya verbascina'' is 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 en ...
.
References
External links
*
{{Taxonbar, from=Q48799315
verbascina
Plants described in 1859
Taxa named by Ferdinand von Mueller