Verticordia Habrantha
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''Verticordia habrantha'', commonly known as hidden featherflower, is a
flowering plant Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae (), commonly called angiosperms. The term "angiosperm" is derived from the Greek words ('container, vessel') and ('seed'), and refers to those plants th ...
in the myrtle
family Family (from la, familia) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its ...
,
Myrtaceae Myrtaceae, the myrtle family, is a family of dicotyledonous plants placed within the order Myrtales. Myrtle, pōhutukawa, bay rum tree, clove, guava, acca (feijoa), allspice, and eucalyptus are some notable members of this group. All speci ...
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 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 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 th ...
. It is a slender shrub with short, leafy side-branches and long flowering stems with rounded heads of mostly white flowers. Its hairy
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 mostly hidden by the round, unfringed
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, and as a result, the plant looks like shrubs in the
genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...
''
Chamelaucium ''Chamelaucium'', also known as waxflower, is a genus of shrubs endemic to south western Western Australia. They belong to the myrtle family Myrtaceae and have flowers similar to those of the tea-trees (''Leptospermum''). The most well-known spe ...
'', to which it is closely related.


Description

''Verticordia habrantha'' is a shrub which grows to high and wide and which has a few main stems with many short, leafy side-branches. The leaves on the side branches are linear to narrow elliptic in shape, roughly triangular in cross-section, long, while those on the flowering stems are elliptic to egg-shaped and up to long. The flowers are arranged in rounded or
corymb Corymb is a botanical term for an inflorescence with the flowers growing in such a fashion that the outermost are borne on longer pedicels than the inner, bringing all flowers up to a common level. A corymb has a flattish top with a superficial re ...
-like groups near the ends of the long flowering stems, each flower on an erect stalk, long. The
floral cup In angiosperms, a hypanthium or floral cup is a structure where basal portions of the calyx, the corolla, and the stamens form a cup-shaped tube. It is sometimes called a floral tube, a term that is also used for corolla tube and calyx tube. It ...
is about long and covered with short, soft hairs. 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 white, sometimes pale pink, spreading but curving upwards, long, with 8 to 12 hairy lobes and two ear-shaped, hairy
appendage An appendage (or outgrowth) is an external body part, or natural prolongation, that protrudes from an organism's body. In arthropods, an appendage refers to any of the homologous body parts that may extend from a body segment, including anten ...
s on the sides. The
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 the same colour as the sepals, egg-shaped to almost round, , spreading with a smooth edge and are joined with the ring of
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 and
staminode In botany, a staminode is an often rudimentary, sterile or abortive stamen, which means that it does not produce pollen.Jackson, Benjamin, Daydon; ''A Glossary of Botanic Terms with their Derivation and Accent''; Published by Gerald Duckworth & Co. ...
s, to form a short tube. The
style Style is a manner of doing or presenting things and may refer to: * Architectural style, the features that make a building or structure historically identifiable * Design, the process of creating something * Fashion, a prevailing mode of clothing ...
is less than long, straight and
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 of ...
. Flowering time is from September to December. The genus ''
Verticordia :For the clam genus, see ''Verticordia'' (bivalve). ''Verticordia'' is a genus of more than 100 species of plants commonly known as featherflowers, in the myrtle family, Myrtaceae. They range in form from very small shrubs such as '' V. vertico ...
'' is closely related to waxflowers of ''
Chamelaucium ''Chamelaucium'', also known as waxflower, is a genus of shrubs endemic to south western Western Australia. They belong to the myrtle family Myrtaceae and have flowers similar to those of the tea-trees (''Leptospermum''). The most well-known spe ...
'' and this verticordia superficially resembles a waxflower because the "feathery" sepals are hidden by the smooth-edged petals.


Taxonomy and naming

The first formal description of this species was published by
Johannes Conrad Schauer Johannes Conrad Schauer (16 February 1813 – 24 October 1848) was a botanist interested in Spermatophytes. He was born in Frankfurt am Main and attended the gymnasium of Mainz from 1825 to 1837. For the next three years he worked at the Hofgar ...
in Lehmann's 1844 ''Plantae Preissianae'', from a specimen collected by
Ludwig Preiss Johann August Ludwig Preiss (21 November 1811 – 21 May 1883) was a German-born British botanist and zoologist. Early life Preiss was born in Herzberg am Harz. He obtained a doctorate, probably at Hamburg, then emigrated to Western Australia. ...
near the
Gordon River The Gordon River is a major perennial river located in the central highlands, south-west, and western regions of Tasmania, Australia. Course and features The Gordon River rises below Mount Hobhouse in the Franklin-Gordon Wild Rivers National ...
. 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 ...
(''habrantha'') is a derived from the Greek words ''habros'' meaning "dainty" or "pretty" and ''anthos'' meaning "a flower". When Alex George reviewed the genus in 1991, he placed this species in subgenus ''Verticordia'', section ''Catocalypta'' along with '' V. roei'', '' V. inclusa'', '' V. apecta'', '' V. insignis'', '' V. lehmannii'' and '' V. pritzelii''.


Distribution and habitat

This verticordia usually grows in sandy soils, with, or over loam, clay or gravel, sometimes in gravelly soil derived from
granite Granite () is a coarse-grained (phaneritic) intrusive igneous rock composed mostly of quartz, alkali feldspar, and plagioclase. It forms from magma with a high content of silica and alkali metal oxides that slowly cools and solidifies undergro ...
, sometimes on
spongolite {{unreferenced, date=February 2019 Spongolite is a stone made almost entirely from fossilised sponges. It is light and porous. The silica spicules fossilised with the sponges makes the material hazardous to handle by being highly abrasive. Becau ...
. It often grows in areas that are inundated in winter and with other species of ''Verticordia'' in heath, shrubland or woodland. It is found from the
Busselton Busselton is a city in the South West region of the state of Western Australia approximately south-west of Perth. Busselton has a long history as a popular holiday destination for Western Australians; however, the closure of the Busselton ...
area east to the
Hamersley River The Hamersley River is an ephemeral river in the Great Southern region of Western Australia. The headwaters of the river rise east of Fitzgerald and just north of the South Coast Highway on an undulating sandplain on the edge of the Yilgarn ...
and north to
Kulin Kulin may refer to: Places *Kulin, Western Australia, a small town in Australia ** Shire of Kulin, a local government area *Kulin, Iran, a village near Tehran *Kulin, Lower Silesian Voivodeship, a village in south-west Poland *Kulin, Kuyavian-Pome ...
and the Arthur River 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 ...
,
Esperance Plains Esperance Plains, also known as Eyre Botanical District, is a biogeographic region in southern Western Australia on the south coast between the Avon Wheatbelt and Hampton bioregions, and bordered to the north by the Mallee region. It is a pl ...
,
Jarrah Forest Jarrah forest is tall open forest in which the dominant overstory tree is ''Eucalyptus marginata'' (jarrah). The ecosystem occurs only in the Southwest Botanical Province of Western Australia. It is most common in the biogeographic region named in ...
, Mallee,
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 geol ...
and
Warren A warren is a network of wild rodent or lagomorph, typically rabbit burrows. Domestic warrens are artificial, enclosed establishment of animal husbandry dedicated to the raising of rabbits for meat and fur. The term evolved from the medieval A ...
biogeographic regions.


Conservation

''Verticordia habrantha'' 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 e ...
.


Use in horticulture

Although this species is attractive with its fleshy foliage and waxy-looking flowers, it has been difficult to establish in gardens. Some forms appear to be easier than others and have been hardy in both summer- and winter-rainfall areas. Propagation has been from cuttings but these have been difficult to grow on.


References

{{Taxonbar, from=Q7922901 habrantha Endemic flora of Western Australia Myrtales of Australia Rosids of Western Australia Plants described in 1844