''Calectasia gracilis'', commonly known as blue tinsel lily, is a plant in the family

Dasypogonaceae Dasypogonaceae is a family of flowering plants, one that has not been commonly recognized by taxonomists; the plants it contains were usually included in the family Xanthorrhoeaceae. If valid, Dasypogonaceae includes four genera with 16 species. ...

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 spreading, tufted, woody,

perennial A perennial plant or simply perennial is a plant that lives more than two years. The term ('' per-'' + '' -ennial'', "through the years") is often used to differentiate a plant from shorter-lived annuals and biennials. The term is also wide ...

herb In general use, herbs are a widely distributed and widespread group of plants, excluding vegetables and other plants consumed for macronutrients, with savory or aromatic properties that are used for flavoring and garnishing food, for medicinal ...

with blue

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 six yellow

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 that turn orange-red as they age. It is similar to the other species of ''

Calectasia ''Calectasia'' is a genus of about fifteen species of flowering plants in the family Dasypogonaceae and is endemic to south-western Australia. Plants is this genus are small, erect shrubs with branched stems covered by leaf sheaths. The flowers ...

'' and has only been recognised as a separate species since a review of 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 ...

in 2001.

Description

''Calectasia gracilis'' is an undershrub with stilt roots but without a

rhizome In botany and dendrology, a rhizome (; , ) is a modified subterranean plant stem that sends out roots and shoots from its nodes. Rhizomes are also called creeping rootstalks or just rootstalks. Rhizomes develop from axillary buds and grow hori ...

. It grows to a height of with a few short side branches. The leaves are

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 ...

, long and about with a short, sharp point on the end. The base of the petals (strictly

tepals A tepal is one of the outer parts of a flower (collectively the perianth). The term is used when these parts cannot easily be classified as either sepals or petals. This may be because the parts of the perianth are undifferentiated (i.e. of very ...

) forms a tube long with lobes long and wide forming a blue, papery star-like pattern which fades to pale blue with age. In the centre of the star are six yellow stamens which turn orange-red with age. 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 and extends beyond the stamens. Flowers appear from August to October.

Taxonomy and naming

''Calectasia gracilis'' is one of eleven species in the genus ''Calectasia''. It was first formally described in 2001 by

Gregory John Keighery Gregory John Keighery is an Australian botanist. Since 2003 he has been a senior research scientist at the Science and Conservation Division of the Department of Biodiversity, Conservation and Attractions of Western Australia (formerly the Depa ...

from a specimen collected near

Cape Riche Cape Riche is a cape and rural locality in the Great Southern region of Western Australia. By road, it is 525 km south-east of Perth and 123 km north-east of Albany Facilities in the locality include a boat launching ramp and a ca ...

by Russell Barrett and

Kingsley Dixon Kingsley Wayne Dixon (Ph.D.) is an Australian botanist currently working as a professor at Curtin University. He was the founding Director of Science at Kings Park and Botanic Gardens, and helped to establish the laboratories there as among 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 ...

(''gracilis'') is from the Latin ''gracilis'' meaning "slender".

Distribution and habitat

This species of blue tinsel lily occurs from Albany and

Stirling Range National Park Stirling Range National Park is a national park in the Great Southern (Western Australia), Great Southern region of Western Australia, approximately south-east of Perth. Description It protects the Stirling Ranges, or Koikyennuruff, a range o ...

east to Hopetoun. It is scattered in the Stirling Range,

Fitzgerald River The Fitzgerald River is a river in the Great Southern region of Western Australia. Surveyor General John Septimus Roe named the river during expeditions in the area in 1848 after the governor of Western Australia of the day, Charles Fitzge ...

and

Frank Hann Frank Hugh Hann (19 October 184521 August 1921) was an Australian pastoralist and explorer. Early life Hann was the son of Joseph and Elizabeth Hann. Fellow explorer William Hann was his older brother. They were born in Wiltshire, England a ...

national parks, growing on

quartzite Quartzite is a hard, non- foliated metamorphic rock which was originally pure quartz sandstone.Essentials of Geology, 3rd Edition, Stephen Marshak, p 182 Sandstone is converted into quartzite through heating and pressure usually related to tect ...

sands, in mallee woodland or heath often 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 ...

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 ...

Conservation status

''Calectasia gracilis'' is uncommon but widespread and 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 ...

References

{{Taxonbar, from=Q15587369 gracilis Endemic flora of Western Australia Commelinids of Australia Plants described in 2001 Taxa named by Gregory John Keighery