Olearia tomentosa

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Olearia tomentosa
Olearia tomentosa flower (6294170631).jpg
Scientific classification Red Pencil Icon.png
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Genus: Olearia
Species:
O. tomentosa
Binomial name
Olearia tomentosa
Synonyms [1]
List
    • Aster dentatus Andrews
    • Aster ferrugineus H.L.Wendl. nom. illeg.
    • Aster tomentosusJ.C.Wendl.
    • Diplopappus rotundifolius Less.
    • Eurybia chrysotrycha Ten.
    • Eurybia dentata F.Muell. nom. illeg.
    • Olearia dentata Moench nom. illeg.
    • Olearia rotundifolia(Less.) DC.
    • Orestion dentata(Andrews) Raf. nom. superfl.
    • Shawia chrysotricha(Ten.) Sch.Bip.
Mauve form Olearia tomentosa.jpg
Mauve form
Flower buds and foliage Olearia tomentosa bud & foliage.jpg
Flower buds and foliage

Olearia tomentosa, commonly known as the toothed daisy-bush, [2] is a species of flowering plant in the family Asteraceae and is endemic to south-eastern continental Australia. It is a spreading shrub with egg-shaped leaves, the edges toothed or lobed, and blue or white and yellow, daisy-like inflorescences.

Contents

Description

Olearia tomentosa is a spreading shrub that typically grows to a height of up to about 2 m (6 ft 7 in) and has its branchlets densely covered with rust-coloured hairs. The leaves are arranged alternately along the stems, egg-shaped, 10–85 mm (0.39–3.35 in) long, 9–50 mm (0.35–1.97 in) wide on a petiole up to 15 mm (0.59 in) long. The edges of the leaves are toothed of lobed, the lower surface densely hairy. The heads or daisy-like "flowers" are arranged singly or in small groups on a peduncle up to 70 mm (2.8 in) long, each head 25–59 mm (0.98–2.32 in) in diameter with a bell-shaped involucre 7–10 mm (0.28–0.39 in) long at the base. Each head has 12 to 33 white or blue ray florets, the ligule 12–25 mm (0.47–0.98 in) long, surrounding 30 to 90 yellow disc florets. Flowering mainly occurs from September to December and the fruit is a ribbed achene about 4 mm (0.16 in) long, the pappus 7–9 mm (0.28–0.35 in) long. [2] [3]

Taxonomy

This daisy was described in 1798 by German botanist Johann Christoph Wendland who gave it the name Aster tomentosus. [4] [5] In 1836, Augustin Pyramus de Candolle changed the name to Olearia tomentosa. [6] The specific epithet (tomentosa) means "covered with matted hairs", referring to the underside of the leaves. [7] It is the type species of the genus, and was placed in the section Dicerotriche, yet genetically is sister to the section Asterotriche. [8]

Distribution and habitat

Toothed daisy-bush is found south of the Hastings River and inland as far as the Blue Mountains in eastern New South Wales, and east of Mallacoota Inlet in the far east of Victoria. [2] [3] It grows on sandstone-based soils in dry sclerophyll forest and heath. [9]

Ecology

Olearia tomentosa plants are generally killed by bushfire, though there are reports of plants regrowing from suckers after fire. [9]

Use in horticulture

Not commonly seen in cultivation, O. tomentosa grows in soil with good drainage in a sunny or part-shaded location. Regular pruning prevents the plant from becoming leggy, [7] and can rejuvenate older plants. The species is moderately frost-hardy. [10]

Related Research Articles

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

Olearia teretifolia, commonly known as cypress 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 to spreading shrub with more or less sessile, linear leaves pressed against the stem, and white and yellow, daisy-like inflorescences.

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

Olearia argophylla, commonly known as musk daisy-bush, native musk or silver shrub, is a species of flowering plant in the family Asteraceae and is endemic to south-eastern Australia. It is a shrub or tree with silvery branchlets, egg-shaped to elliptic leaves, and white and yellow, daisy-like inflorescences.

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

Olearia axillaris, commonly known as coastal daisy-bush, coast daisy-bush or coastal daisybush is a species of flowering plant in the family Asteraceae and is endemic to coastal areas of Australia. It is an erect, bushy shrub with densely cottony-hairy branchlets, aromatic, linear to narrowly elliptic or narrowly lance-shaped to egg-shaped leaves with the narrower end towards the base and small white and yellow, daisy-like inflorescences.

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

Olearia lirata, commonly known as snowy daisy-bush, is a species of flowering plant in the family Asteraceae and is endemic to south-eastern Australia. It is a shrub with lance-shaped leaves and white and cream-coloured to yellow, daisy-like inflorescences.

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

Olearia ramulosa, commonly known as twiggy daisy-bush, is a species of flowering plant in the family Asteraceae and is endemic to south-eastern Australia. It is a shrub with narrowly elliptic, linear or narrowly egg-shaped leaves, and pale blue, mauve or white and yellow, daisy-like inflorescences.

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

Olearia phlogopappa commonly known as the dusty daisy-bush or alpine daisy-bush is a species of flowering plant in the family Asteraceae that is commonly found in eastern New South Wales, Victoria and Tasmania. It is a small shrub with greyish-green foliage, daisy-like flowers in white, pink or mauve that can be seen from spring to late summer.

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

Olearia microphylla, commonly known as snow bush, small-leaved daisy-bush or twiggy daisy-bush, is a species of flowering plant in the family Asteraceae and is endemic to eastern Australia. It is a shrub with spatula-shaped leaves with the edges rolled under, and white and yellow, daisy-like inflorescences.

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

Olearia erubescens, commonly known as moth daisy-bush or pink-tip daisy-bush, is a species of flowering plant in the family Asteraceae. It is a shrub with stiff, prickly leaves and white "daisy" flowers, growing up to 2 metres high.

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

Olearia asterotricha, commonly known as rough daisy-bush, is a species of flowering plant in the family Asteraceae. A tall shrub with white, mauve or blue daisy like flowers growing from the Blue Mountains in New South Wales to western Victoria, Australia.

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

Olearia myrsinoides, commonly known as silky daisy-bush or blush daisy bush, is a species of flowering plant in the family Asteraceae and is endemic to south-eastern Australia. It is a spreading shrub with hairy branchlets, egg-shaped to elliptic leaves with toothed edges, and white and yellow or mauve, 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 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.

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

Olearia calcarea, commonly known as limestone daisy bush, 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.

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

Olearia frostii, commonly known as Bogong daisy-bush, is a species of flowering plant in the family Asteraceae and is endemic to Victoria in Australia. It is a low, often straggling shrub with egg-shaped leaves with the narrower end towards the base, and mauve to pink and yellow, daisy-like inflorescences.

Olearia incana is a species of flowering plant in the family Asteraceae and is endemic to southern Australia. It is a shrub with narrowly elliptic or wedge-shaped leaves and white and pale yellow, daisy-like inflorescences.

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

Olearia lepidophylla, commonly known as club-moss daisy-bush, is a species of flowering plant in the family Asteraceae and is endemic to southern Australia. It is a rigid, erect to spreading shrub with tiny oblong to egg-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.

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

Olearia stellulata is a species of flowering plant in the family Asteraceae and is endemic to south-eastern Australia. It is a shrub with lance-shaped or narrowly elliptic leaves, and white and yellow or mauve, daisy-like inflorescences.

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

Olearia teretifolia is a species of flowering plant in the family Asteraceae and is endemic to south-eastern Australia. It is a bushy shrub with lance-shaped, egg-shaped or elliptic leaves arranged in opposite pairs, and white and yellow, daisy-like inflorescences.

References

  1. 1 2 "Olearia tomentosa". Australian Plant Census. Retrieved 23 August 2022.
  2. 1 2 3 Lander, Nicholas S. "Olearia tomentosa". Royal Botanic Garden Sydney. Retrieved 23 August 2022.
  3. 1 2 Walsh, Neville G.; Lander, Nicholas S. "Olearia tomentosa". Royal Botanic Gardens Victoria. Retrieved 23 August 2022.
  4. ↑ "Aster tomentosus". APNI. Retrieved 23 August 2022.
  5. ↑ Wendland, Johann C. (1798). Sertum Hannoveranum. Hannover. p. 8. Retrieved 23 August 2022.
  6. ↑ "Olearia tomentosa". APNI. Retrieved 23 August 2022.
  7. 1 2 Walters, Brian. "Olearia tomentosa". Plant Guide. Australian Native Plants Society (Australia). Retrieved 23 August 2022.
  8. ↑ Cross, E.W.; Quinn, C.J.; Wagstaff, S.J. (2002). "Molecular evidence for the polyphyly of Olearia (Astereae: Asteraceae)". Plant Systematics and Evolution. 235 (1–4): 99–120. doi:10.1007/s00606-002-0198-9. JSTOR   23645039.
  9. 1 2 Benson, Doug; McDougall, Lyn (1994). "Ecology of Sydney Plant Species Part 2: Dicotyledon families Asteraceae to Buddlejaceae". Cunninghamia. 3 (4): 789–1004 [903–04]. ISSN   0727-9620 . Retrieved 23 August 2022.
  10. ↑ Elliot, Rodger W.; Jones, David L.; Blake, Trevor (1997). Encyclopaedia of Australian Plants Suitable for Cultivation. Vol. 7: N–Po. Port Melbourne, Victoria: Lothian Press. p. 98. ISBN   0-85091-634-8.
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