''Conostylis rogeri'' is a

rhizomatous 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 ...

, tufted

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 ...

, grass-like plant or

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 ...

in the family

Haemodoraceae Haemodoraceae is a family of perennial herbaceous flowering plants with 14 genera and 102 known species. It is sometimes known as the "bloodwort family". Primarily a Southern Hemisphere family, they are found in South Africa, Australia and New ...

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 a small area in 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 has small tufts, flat leaves, and a single pale yellow, tubular flower.

Description

''Conostylis rogeri'' is a rhizomatous, perennial, grass-like plant or herb that has small tufts and typically grows to a height of . It has flat, green leaves long, wide and glabrous, apart from 2 rows of hairs on the edges. A single flower long is borne on a flowering stem long, the flowers pale yellow with feathery hairs. The

anthers 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 ...

are long and 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. Flowering occurs in September.

Taxonomy and naming

''Conostylis rogersi'' was first formally described in 1987 by

Stephen Hopper Stephen Donald Hopper AC FLS FTSE (born 18 June 1951) is a Western Australian botanist. He graduated in Biology, specialising in conservation biology and vascular plants. Hopper has written eight books, and has over 200 publications to his n ...

in the ''

Flora of Australia The flora of Australia comprises a vast assemblage of plant species estimated to over 30,000 vascular and 14,000 non-vascular plants, 250,000 species of fungi and over 3,000 lichens. The flora has strong affinities with the flora of Gondwana, ...

'', from specimens he collected in a nature reserve near

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 ...

in 1978. 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 ...

(''rogeri'') honours

Roger Hnatiuk Roger James Hnatiuk (born 1946) is a Canadian-Australian botanist specialising in biogeography and plant ecology. Background Hnatiuk was awarded 1st class honours in botany from the University of Alberta, and went on to graduate with an MSc in p ...

Distribution and habitat

This conostylis grows in rises over sand in low heath and scrub and is only known in the

Mallee bioregion Mallee, also known as Roe Botanical District, is a biogeographic region in southern Western Australia. Located between the Esperance Plains, Avon Wheatbelt and Coolgardie bioregions, it has a low, gently undulating topography, a semi-arid me ...

of south-western Western Australia.

Conservation status

''Conostylis rogeri'' is listed as "

Threatened Threatened species are any species (including animals, plants and fungi) which are vulnerable to endangerment in the near future. Species that are threatened are sometimes characterised by the population dynamics measure of ''critical depensat ...

" by the Western Australian Government

Department of Biodiversity, Conservation and Attractions The Department of Biodiversity, Conservation and Attractions (DBCA) is the Western Australian government The Government of Western Australia, formally referred to as His Majesty's Government of Western Australia, is the Australian state de ...

, meaning that it is in danger of extinction.

References

{{Taxonbar, from=Q15334483 rogeri Commelinales of Australia Angiosperms of Western Australia Plants described in 1987 Taxa named by Stephen Hopper