''Verticordia roei'', commonly known as Roe's 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 ...

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 shrub with narrow leaves and is often covered with masses of creamy-white coloured flowers in late spring.

Description

''Verticordia roei'' is a shrub which grows to a height of with a single main stem at its base. The leaves on the stems are linear to narrow elliptic in shape, triangular in cross-section, long and have a rounded end. The flowers are scented and arranged in

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 on erect stalks from 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 a broadly

hemispherical A sphere () is a Geometry, geometrical object that is a solid geometry, three-dimensional analogue to a two-dimensional circle. A sphere is the Locus (mathematics), set of points that are all at the same distance from a given point in three ...

in shape, about long, ribbed and covered with short 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 creamy-white, sometimes pink, long, with 5 to 7 long-hairy or feathery lobes. 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, dished with small teeth around its edge. 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 long, with a few short hairs. Flowering time is from October to November.

Taxonomy and naming

''Verticordia roei'' was first formally described by

Stephan Endlicher Stephan Ladislaus Endlicher also known as Endlicher István László (24 June 1804, Bratislava (Pozsony) – 28 March 1849, Vienna) was an Austrian botanist, numismatist and Sinologist. He was a director of the Botanical Garden of Vienna. Bio ...

in 1838 and the description was published in ''Stirpium Australasicarum Herbarii Hugeliani Decades Tres''. The type specimen was collected by

John Septimus Roe John Septimus Roe (8 May 1797 – 28 May 1878) was the first Surveyor-General of Western Australia. He was a renowned explorer, a member of Western Australia's legislative and executive councils for nearly 40 years, but also a participant in t ...

. 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 ...

(''roei'') honours Roe, the first

surveyor-general A surveyor general is an official responsible for government surveying in a specific country or territory. Historically, this would often have been a military appointment, but it is now more likely to be a civilian post. The following surveyor gen ...

of Western Australia. Alex George undertook a review of the genus ''Verticordia'' in 1991 and described two subspecies: * ''Verticordia roei'' Endl. subsp. ''roei'' which has

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 long and styles long; * ''Verticordia roei'' subsp. ''meiogona'' A.S.George which has

s long and styles long. George placed this species in subgenus ''Verticordia'', section ''Catocalypta'' along with '' V. inclusa'', '' V. apecta'', '' V. insignis'', '' V. habrantha'', '' V. lehmannii'' and '' V. pritzelii''.

Distribution and habitat

This verticordia usually occurs in sandy soil, often with clay or loam over

laterite Laterite is both a soil and a rock type rich in iron and aluminium and is commonly considered to have formed in hot and wet tropical areas. Nearly all laterites are of rusty-red coloration, because of high iron oxide content. They develop by ...

. Subspecies ''roei'' is widespread and locally common in areas between Merredin, Boorabbin, Wickepin, Hyden and

Lake Grace A lake is an area filled with water, localized in a basin, surrounded by land, and distinct from any river or other outlet that serves to feed or drain the lake. Lakes lie on land and are not part of the ocean, although, like the much larger ...

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 ...

, Coolgardie,

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 ...

and Mallee biogeographic regions. Subspecies ''meiogona'' has a smaller distribution near Dalwallinu and Mukinbudin in the Avon Wheatbelt and Coolgardie bioregions.

Conservation

Subspecies ''meiogona'' is classified as "

Priority One Prioritization is an action that arranges items or activities in order of importance. Priority may refer specifically to: Law * Priority or right of way on the road, see Traffic § Priority (right of way) ** Priority signs, a traffic sign that ...

" meaning that it is known from only one or a few locations which are potentially at risk. Subspecies ''roei'' is classified as "not threatened".

Use in horticulture

Subspecies ''roei'' has proven to be difficult to propagate and maintain in cultivation but more success has been achieved with subspecies ''meiogona''. The latter subspecies has been grown from cuttings and by

grafting Grafting or graftage is a horticultural technique whereby tissues of plants are joined so as to continue their growth together. The upper part of the combined plant is called the scion () while the lower part is called the rootstock. The succ ...

onto '' Chamelaucium uncinatum''

rootstock A rootstock is part of a plant, often an underground part, from which new above-ground growth can be produced. It could also be described as a stem with a well developed root system, to which a bud from another plant is grafted. It can refer to a ...

References

{{Taxonbar, from=Q15389358 roei Rosids of Western Australia Eudicots of Western Australia Plants described in 1838