Olearia calcarea

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Limestone daisy bush
Olearia calcarea.jpg
Olearia calcarea in the Gawler Ranges
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Genus: Olearia
Species:
O. calcarea
Binomial name
Olearia calcarea
Synonyms [1]

Aster calcareus(F.Muell. ex Benth.) F.Muell.

Olearia calcarea, commonly known as limestone daisy bush, [2] is a species of flowering plant in the family Asteraceae and is endemic to southern continental Australia. It is a shrub with egg-shaped or broadly spoon-shaped leaves with toothed edges, and white and yellow, daisy-like inflorescences.

Description

Olearia calcarea is a shrub that typically grows to a height of up to 80 cm (31 in). It has scattered, broadly spoon-shaped to egg-shaped leaves with the narrower end towards the base, 2–15 mm (0.079–0.591 in) long and 2–5 mm (0.079–0.197 in) wide, with toothed edges. The leaves are more or less sessile, both surfaces a similar colour. The heads are arranged singly on the ends of branchlets and are more or less sessile, 31–45 mm (1.2–1.8 in) in diameter. Each head or daisy-like "flower," has a bell-shaped involucre 12–18 mm (0.47–0.71 in) long, and eight to twelve ray florets, the petal-like ligule oblong, pale purple to white, and 9–15 mm (0.35–0.59 in) long, surrounding ten to fifteen yellow disc florets. Flowering occurs from May to October, and the fruit is a silky-hairy achene, the pappus with 74 to 84 bristles in two rows. [2] [3] [4]

Taxonomy

Olearia calcarea was first formally described in 1867 by George Bentham in Flora Australiensis from an unpublished description by Ferdinand von Mueller. [5] [6] The specific epithet (calcarea) means "limy", referring to the soil. [7]

Distribution and habitat

Limestone daisy bush grows in on mallee woodland on limestone-rich soils in southern Western Australia, southern South Australia, far north-western Victoria and west of Nymagee in far western New South Wales. [2] [4] [3] [8]

Related Research Articles

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<i>Olearia axillaris</i> Species of plant

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<i>Olearia ramulosa</i> Species of flowering plant

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<i>Olearia stuartii</i> Species of plant

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<i>Olearia canescens</i> Species of shrub

Olearia canescens is a species of flowering plant in the family Asteraceae and is endemic to eastern Australia. It is a shrub with scattered elliptic or egg-shaped leaves, and white and yellow, daisy-like inflorescences.

<i>Olearia decurrens</i> Species of shrub

Olearia decurrens, commonly known as the clammy daisy bush, is a species of flowering plant in the family Asteraceae and is endemic to arid, inland Australia. It is a glabrous, sticky, twiggy shrub with narrow egg-shaped to linear leaves sometimes with toothed edges, and white and yellow, daisy-like inflorescences.

<i>Olearia iodochroa</i> Species of shrub

Olearia iodochroa, commonly known as the violet daisy bush, is a species of flowering plant in the family Asteraceae and is endemic to south-eastern continental Australia. It is a shrub with branchlets densely covered with whitish hairs, narrowly egg-shaped leaves with the narrower end towards the base, and white or mauve, and cream-coloured, yellow or blue, daisy-like inflorescences.

Olearia revoluta is a species of flowering plant in the family Asteraceae and is endemic to the south-west of Western Australia. It is an erect, rounded shrub with linear to oblong leaves with the edges rolled under, and white daisy-like inflorescences.

Olearia adenolasia, commonly known as woolly-glandular daisy-bush, is a species of flowering plant in the family Asteraceae. It is a small upright shrub with sticky leaves and blue-purple or white daisy flowers.

<i>Olearia magniflora</i> Species of shrub

Olearia magniflora, commonly known as splendid daisy-bush, is a small shrub with clusters of deep mauve to purple flowers.

<i>Olearia ciliata</i> Species of shrub

Olearia ciliata, commonly known as the fringed daisy bush, is a small shrub with large clusters of bright purple-blue flowers on a single stem.

<i>Olearia exiguifolia</i> Species of Asteraceae

Olearia exiguifolia commonly known as small-leaved daisy bush, is a species of flowering plant in the family Asteraceae and is endemic to south-western Australia. It is an erect or straggly shrub with broadly egg-shaped leaves with the narrower end towards the base, and white and yellow, daisy-like inflorescences.

<i>Olearia muelleri</i> Species of Asteraceae

Olearia muelleri, commonly known as Mueller daisy bush, Mueller's daisy bush or Goldfields daisy, is a species of flowering plant in the family Asteraceae and is endemic to southern continental Australia. It is a compact or spreading shrub with scattered spatula-shaped to egg-shaped leaves with the narrower end towards the base, and white and yellow, daisy-like inflorescences.

<i>Olearia paucidentata</i> Species of Asteraceae

Olearia paucidentata, the autumn scrub daisy, is a species of flowering plant in the family Asteraceae and is endemic to the south-west of Western Australia. It is a shrub with variably-shaped leaves, and white, mauve or blue and mauve or yellow, daisy-like inflorescences.

Olearia elaeophila is a species of flowering plant in the family Asteraceae and is endemic to the south-west of Western Australia. It is a small shrub with scattered linear leaves, and white or blue and yellow, daisy-like inflorescences.

<i>Olearia ferresii</i> Species of Asteraceae

Olearia ferresii is a species of flowering plant in the family Asteraceae and is endemic to central Australia. It is an erect, aromatic shrub with elliptic to lance-shaped leaves and white and yellow, daisy-like inflorescences.

<i>Olearia nernstii</i> Species of shrub

Olearia nernstii is a species of flowering plant in the family Asteraceae and is endemic to eastern Australia. It is a shrub with scattered egg-shaped to elliptic leaves with toothed or prickly edges, and white and yellow, daisy-like inflorescences.

Olearia oliganthema is a species of flowering plant in the family Asteraceae and was endemic to New South Wales. It was a shrub with scattered, broadly elliptic leaves, and white and yellow daisy-like inflorescences.

Olearia picridifolia, commonly known as rasp scrub-daisy, is a species of flowering plant in the family Asteraceae and is endemic to southern continental Australia. It is a low, spreading shrub with narrowly egg-shaped or narrowly elliptic leaves, and blue, mauve or white and yellow, daisy-like inflorescences.

<i>Olearia tubuliflora</i> Species of plant

Olearia tubuliflora, commonly known as rayless daisy-bush, is a species of flowering plant in the family Asteraceae and is endemic to south-eastern continental Australia. It is a slender, erect shrub with linear or narrowly elliptic leaves and yellow, daisy-like inflorescences but with the ray florets lacking a ligule.

References

  1. 1 2 "Olearia calcarea". Australian Plant Census. Retrieved 11 March 2022.
  2. 1 2 3 Lander, Nicholas S. "Olearia calcarea". Royal Botanic Garden Sydney. Retrieved 11 March 2022.
  3. 1 2 "Olearia calcarea". State Herbarium of South Australia. Retrieved 11 March 2022.
  4. 1 2 Walsh, Neville G.; Lnder, Nicholas L. "Olearia calcarea". Royal Botanic Gardens Victoria. Retrieved 11 March 2022.
  5. ↑ "Olearia calcarea". APNI. Retrieved 11 March 2022.
  6. ↑ Bentham, George; von Mueller, Ferdinand (1867). Flora Australiensis. Vol. 3. London: Lovell Reeve & Co. p. 481. Retrieved 11 March 2022.
  7. ↑ Sharr, Francis Aubi; George, Alex (2019). Western Australian Plant Names and Their Meanings (3rd ed.). Kardinya, WA: Four Gables Press. p. 154. ISBN   9780958034180.
  8. ↑ "Olearia calcarea". FloraBase . Western Australian Government Department of Biodiversity, Conservation and Attractions.
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