Platysace cirrosa

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Platysace cirrosa
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Apiales
Family: Apiaceae
Genus: Platysace
Species:
P. cirrosa
Binomial name
Platysace cirrosa

Platysace cirrosa, commonly known as karna, is a twining, perennial herb or climber that is endemic to the south-west of Western Australia. The Noongar name for the plant is kanna. [2] It is leafless, sometimes with a few very small scale-like leaves, and flowers arranged in umbels with overlapping yellow petals and flattened fruit.

Contents

Description

Platysace cirrosa is a twining, tuberous, perennial herb or climber, that is usually leafless or with very small, tapering scale-like leaves. The flowers are arranged on the ends of branches in compound umbels with a few small, narrow involucral bracts and blunt, yellow, overlapping petals. Flowering occurs between January and March and the fruit is flatttened, about 6.5 mm (0.26 in) wide and 5.4 mm (0.21 in) long. [3] [4]

Taxonomy

Platysace cirrosa was first formally described in 1845 by Alexander Andrejewitsch von Bunge in Lehmann's Plantae Preissianae . [5] [6] The specific epithet (fruticulosa) means "bearing tendrils". [7]

Distribution and habitat

This platysace is found along slopes and drainage lines in the Avon Wheatbelt, Geraldton Sandplains, Jarrah Forest and Yalgoo bioregions of south-western Western Australia where it grows in lateritic or loamy soils over granite. [3]

Conservation status

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

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References

  1. "Platysace cirrosa". Australian Plant Census. Retrieved 5 March 2024.
  2. "Noongar names for plants". kippleonline.net. Archived from the original on 20 November 2016. Retrieved 12 December 2016.
  3. 1 2 3 "Platysace cirrosa". FloraBase . Western Australian Government Department of Biodiversity, Conservation and Attractions.
  4. Bentham, George (1867). Flora Australiensis. London: Lovell Reeve & Co. p. 354. Retrieved 6 March 2024.
  5. "Platysace cirrosa". APNI. Retrieved 6 March 2024.
  6. von Bunge, Alexander A. (1845). Lehmann, Johann G.C.; Preiss, Ludwig (eds.). Plantae preissianae sive enumeratio plantarum quas in australasia occidentali et meridionali-occidentali annis 1838-1841 collegit Ludovicus Preiss. Vol. 1. Hamburg: Sumptibus Meissneri. pp. 285–286. Retrieved 6 March 2024.
  7. Sharr, Francis Aubi; George, Alex (2019). Western Australian Plant Names and Their Meanings (3rd ed.). Kardinya, WA: Four Gables Press. p. 164. ISBN   9780958034180.