Verticordia Coronata
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''Verticordia coronata'' is a flowering plant in the myrtle family,
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 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 small shrub with leaves whose shape depends on their position on the plant, and groups of yellow flowers near the ends of the branches.


Description

''Verticordia coronata'' is a shrub which grows to a height and width of about and which has several to many stems at its base. The leaves on the lower part of the plant are linear in shape, roughly round in cross section, long and have a hooked tip while those further up the stem are elliptic to egg-shaped, dished, long and have a rounded end with a sharp tip. The flowers are lightly scented and arranged in round or corymb-like groups on erect stalks 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 shaped like half a sphere, long, glabrous and slightly warty. The sepals are pale to bright yellow colour, long, with 5 to 7 lobes which have a fringe of coarse hairs. 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 a similar colour to the sepals, long, with many lobes spreading like the fingers of a hand. The style is long, straight and glabrous. Flowering time is from September to November.


Taxonomy and naming

''Verticordia coronata'' was first formally described by
Alex George Alexander or Alex George may refer to: *Alex George (botanist) (born 1939), Australian botanist * Alexander L. George (1920–2006), American political scientist * Alexander George (philosopher), American philosopher *Alex George (motorcyclist), Sc ...
in 1991 and the description was published in '' Nuytsia'' from specimens collection in the
Stirling Range The Stirling Range or Koikyennuruff is a range of mountains and hills in the Great Southern region of Western Australia, south-east of Perth. It is over wide from west to east, stretching from the highway between Mount Barker and Cranb ...
by Alex and Elizabeth George in 1984. 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 ...
(''coronata'') is derived from the Latin word ''coronare'' meaning "to crown", hence "crowned", referring to the shape of the
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. George placed this species in subgenus ''Chrysoma'', section ''Jugata'' along with '' V. chrysanthella'', '' V. brevifolia'', '' V. galeata'', '' V. chrysantha'', '' V. amphigia'' and '' V. laciniata''.


Distribution and habitat

This verticordia grows in sand, often coarse sand derived from granite, often with other verticordias in heath or shrubland. It occurs in the Stirling Range National Park and nearby areas including
Nyabing Nyabing is a small town in the Great Southern region of Western Australia. The name is of Aboriginal origin and is thought to derive from the Aboriginal word "ne-yameng", which is the name of an everlasting flower ''Rhodanthe manglesii.'' The ...
,
Pingrup Pingrup is a small town in the Great Southern (Western Australia), Great Southern region of Western Australia. The name of the town is Indigenous Australian in origin and was the name of a lake that is close to the townsite. The meaning of Ping ...
, Cranbrook and Katanning in the Avon Wheatbelt, Esperance Plains and Mallee
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

''Verticordia coronata'' is classified as " Priority Three" 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 ...
, meaning that it is poorly known and known from only a few locations but is not under imminent threat.


Use in horticulture

''Verticordia coronata'' is a difficult plant to propagate and grow in cultivation and its requirements are not yet known.


References

{{Taxonbar, from=Q15388485 coronata Rosids of Western Australia Eudicots of Western Australia Plants described in 1991