Ptilotus aervoides

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Ptilotus aervoides
Ptilotus aervoides Wrigley.jpg
North of Wittenoom
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Caryophyllales
Family: Amaranthaceae
Genus: Ptilotus
Species:
P. aervoides
Binomial name
Ptilotus aervoides
(F.Muell.)F.Muell. [1]
Synonyms [1]

Trichinium aervoidesF.Muell.

Ptilotus aervoides, commonly known as mat mulla mulla, [2] is a species of flowering plant in the family Amaranthaceae and is endemic to western Australia. It is a prostrate, mat-forming annual or short-lived perennial herb, its stems densely hairy at first, egg-shaped to spatula-shaped stem leaves, dense spikes of hairy creamy-green flowers with two or three fertile stamens.

Contents

Description

Ptilotus aervoides is a prostrate, mat-forming annual or short-lived perennial herb that typically grows up to 4 cm (1.6 in) high and 70 cm (28 in) wide, with densely hairy young stems that become glabrous as they age. The leaves are egg-shaped to spatula-shaped, 60 mm (2.4 in) long, 20 mm (0.79 in) wide and sometimes reddish. The flowers are hairy, creamy-green, often tinged with pinkish-purple, borne in oval to cylindrical spikes 7–40 mm (0.28–1.57 in) long and 7–14 mm (0.28–0.55 in) wide. There is a bract 3.2–5 mm (0.13–0.20 in) long and two hairy, colourless bracteoles 3.5–4.5 mm (0.14–0.18 in) long at the base of the flowers. Flowering occurs from May to October. [2] [3] [4]

Taxonomy

This species was first formally described in 1862 by Ferdinand von Mueller who gave it the name Trichinium aervoides in his Fragmenta Phytographiae Australiae from specimens collected during the Francis Thomas Gregory expedition of 1861. [5] [6] In a later edition of the same book, von Mueller changed the name to Ptilotus aervoides. [7] The specific epithet (aervoides) means ' Aerva - like'. [8]

Distribution and habitat

Mat mulla mulla is widespread in the north-west of Western Australia, and occurs in the Central Ranges bioregion of South Australia and in the Burt Plain, Finke, Little Sandy Desert, MacDonnell Ranges and Simpson Strzelecki Dunefields bioregions of southern Northern Territory. [4]

Conservation status

This species of Ptilotus is listed as "not threatened" by the Government of Western Australia Department of Biodiversity, Conservation and Attractions, [4] but as "near threatened" under the Northern Territory Territory Parks and Wildlife Conservation Act. [3]

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References

  1. 1 2 "Ptilotus aervoides". Australian Plant Census. Retrieved 16 December 2024.
  2. 1 2 "Ptilotus aervoides". Seeds of South Australia. Retrieved 16 December 2024.
  3. 1 2 "Ptilotus aervoides". Northern Territory Government. Retrieved 16 December 2024.
  4. 1 2 3 "Ptilotus aervoides". FloraBase . Western Australian Government Department of Biodiversity, Conservation and Attractions.
  5. "Trichinium aervoides". Australian Plant Name Index. Retrieved 16 December 2024.
  6. Von Mueller, Ferdinand (1862). Fragmenta Phytographiae Australiae. Vol. 3. Melbourne: Victorian Government Printer. p. 123. Retrieved 16 December 2024.
  7. "Ptilotus aervoides". Australian Plant Name Index. Retrieved 16 December 2024.
  8. George, Alex; Sharr, Francis (2021). Western Australian Plant Names and Their Meanings (3rd ed.). Kardinya, WA: Four Gables Press. p. 128. ISBN   9780958034180.