Olearia glandulosa

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Swamp daisy-bush
Olearia glandulosa.jpg
Olearia glandulosa in Tallaganda National Park
Scientific classification Red Pencil Icon.png
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Genus: Olearia
Species:
O. glandulosa
Binomial name
Olearia glandulosa
Synonyms [1]
  • Aster glandulosusLabill.
  • Eurybia glandulosa(Labill.) DC.
  • Galatella glandulosa(Labill.) Nees
  • Shawia glandulosa(Labill.) Sch.Bip.

Olearia glandulosa, commonly known as swamp daisy-bush, [2] is a species of flowering plant in the family Asteraceae and is endemic to south-eastern Australia. It is a slender, erect, glabrous shrub with sticky, narrowly linear leaves and white or pale blue and yellow, daisy-like inflorescences.

Contents

Description

Olearia glandulosa is a slender, erect, glabrous shrub that typically grows to a height of 1.5–2.4 m (4 ft 11 in – 7 ft 10 in) with many branches. Its leaves are arranged alternately along the branchlets, more or less sessile, narrowly linear, 8–55 mm (0.31–2.17 in) long, 1–2 mm (0.039–0.079 in) wide and sticky, with several glandular swellings on the edges. The heads or daisy-like "flowers" are arranged in corymbs on the ends of branches, and are 6–12 mm (0.24–0.47 in) in diameter on a peduncle mostly about 1 mm (0.039 in) long with three or four rows of bracts at the base. Each head has 15 to 25 white or pale blue ray florets, the ligules 4–9 mm (0.16–0.35 in) long, surrounding a similar number of yellow disc florets. Flowering mostly occurs from October to April and the fruit is a silky-hairy achene, the pappus 3–4 mm (0.12–0.16 in) long. [2] [3] [4]

Taxonomy

Swamp daisy-bush was first formally described in 1806 by Jacques Labillardière who gave it the name Aster glandulosus in his Novae Hollandiae Plantarum Specimen . [5] [6] In 1867, George Bentham changed the name to Olearia glandulosa in the Flora Australiensis . [7] The specific epithet (glandulosa) means "gland-bearing". [8]

Distribution and habitat

Olearia glandulosa grows in wet heath, swamps and along river banks in far south-eastern Queensland, south of Mittagong in south-eastern New South Wales and the Australian Capital Territory, mostly south of the Great Dividing Range in Victoria, in the far south-east of South Australia, and in Tasmania. [2] [3] [4] [9] [10]

Related Research Articles

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<i>Epacris lanuginosa</i> Species of flowering plant

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

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<i>Leucopogon collinus</i> Species of plant

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References

  1. 1 2 "Olearia glandulosa". Australian Plant Census. Retrieved 17 April 2019.
  2. 1 2 3 Walsh, Neville G.; Lander, Nicholas S. "Olearia glandulosa". Royal Botanic Gardens Victoria. Retrieved 17 April 2022.
  3. 1 2 "Olearia glandulosa". State Herbarium of South Australia. Retrieved 17 April 2022.
  4. 1 2 Lander, Nicholas S. "Olearia glandulosa". Royal Botanic Garden Sydney. Retrieved 17 April 2022.
  5. "Aster glandulosus". APNI. Retrieved 17 April 2022.
  6. Labillardière, Jacques (1806). Novae Hollandiae Plantarum Specimen. Vol. 2. p. 50. Retrieved 17 April 2022.
  7. "Olearia glandulosa". APNI. Retrieved 17 April 2022.
  8. Sharr, Francis Aubi; George, Alex (2019). Western Australian Plant Names and Their Meanings (3rd ed.). Kardinya, WA: Four Gables Press. p. 207. ISBN   9780958034180.
  9. Jordan, Greg. "Olearia glandulosa". University of Tasmania. Retrieved 17 April 2022.
  10. "Olearia glandulosa". Atlas of Living Australia. Retrieved 17 April 2022.