Conostylis juncea

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Conostylis juncea
Conostylis juncea - Flickr - Kevin Thiele.jpg
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Clade: Commelinids
Order: Commelinales
Family: Haemodoraceae
Genus: Conostylis
Species:
C. juncea
Binomial name
Conostylis juncea
Conostylis juncea DistMap22.png
Occurrence data from AVH

Conostylis juncea is a rhizomatous, tufted perennial, grass-like plant or herb in the family Haemodoraceae, and is endemic to the south-west of Western Australia. It has cylindrical or flat leaves and yellow flowers on a short flowering stem.

Contents

Description

Conostylis juncea is a rhizomatous, proliferous perennial with tufts up to 20 cm (7.9 in) in diameter. Its leaves are more or less round in cross-section or almost flat, 100–400 mm (3.9–15.7 in) long and 1–4 mm (0.039–0.157 in) wide and usually glabrous with prominent veins. The flowers borne just above the ground on a short flowering stalk with broadly egg-shaped or lance-shaped green bracts at the base. The perianth is hairy, yellow or greenish-yellow, 12–20 mm (0.47–0.79 in) long with lobes 9–12.5 mm (0.35–0.49 in) long. The anthers are 3.5–6 mm (0.14–0.24 in) long. Flowering occurs from July to September. [2] [3] [4]

Taxonomy and naming

Conostylis juncea was first formally described in 1839 by Stephan Endlicher in Novarum Stirpium Decades. [5] [6] The specific epithet (juncea) means "rush-like". [7]

Distribution and habitat

This species of conostylis grows in sand in open woodland and heath in near-coastal areas between Jurien Bay and Australind in the Avon Wheatbelt, Geraldton Sandplains, Jarrah Forest and Swan Coastal Plain bioregions of south-western Western Australia. [2] [3]

Conservation status

Conostylis juncea is listed as "not threatened" by the Western Australian Government Department of Biodiversity, Conservation and Attractions. [3]

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References

  1. "Conostylis juncea". Australian Plant Census. Retrieved 5 December 2021.
  2. 1 2 Hopper, S.D; Purdie, R.W; George, A.S; Patrick, S.J. "Conostylis juncea". Australian Biological Resources Study, Department of Agriculture, Water and the Environment. Retrieved 5 December 2023.
  3. 1 2 3 "Conostylis juncea". FloraBase . Western Australian Government Department of Biodiversity, Conservation and Attractions.
  4. Green, John W. (1961). "The Genus Conostylis R.Br. II. Taxonomy". Proceedings of the Linnean Society of New South Wales. 85 (3): 356–357. Retrieved 5 December 2023.
  5. "Conostylis juncea". APNI. Retrieved 5 December 2023.
  6. Endlicher, Stephan (1839). Endlicher, Stephan; Fenzl, Eduard (eds.). Novarum Stirpium Decades. Vol. 3. Vienna: K.K. Naturhistorisches Hofmuseum. pp. 19–20. Retrieved 5 December 2023.
  7. Sharr, Francis Aubi; George, Alex (2019). Western Australian Plant Names and Their Meanings (3rd ed.). Kardinya, WA: Four Gables Press. p. 229. ISBN   9780958034180.