Olearia brachyphylla

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Olearia brachyphylla
Olearia brachyphylla.jpg
In Lincoln 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. brachyphylla
Binomial name
Olearia brachyphylla
Synonyms [1]
  • Aster brachyphyllus(F.Muell. ex Sond.) F.Muell.
  • Aster exilifoliusF.Muell.
  • Eurybia brachyphyllaF.Muell. ex Sond.
  • Olearia exilifoliaF.Muell. nom. inval., pro syn.
  • Olearia exilifolia(F.Muell.) F.Muell. ex Benth.
Habit Olearia brachyphylla habit.jpg
Habit

Olearia brachyphylla is a species of flowering plant in the family Asteraceae and is endemic to southern continental Australia. It is a densely-branched, aromatic shrub with woolly-hairy stems, oblong to egg-shaped leaves with the narrower end towards the base and small white and pale yellow, daisy-like inflorescences.

Contents

Description

Olearia brachyphylla is a densely-branched, aromatic shrub that typically grows to a height of 0.3–1.5 m (1 ft 0 in – 4 ft 11 in) with its stems covered with woolly hairs. The leaves are oblong to egg-shaped with the narrower end towards the base, 1–3 mm (0.039–0.118 in) long, up to 1 mm (0.039 in) wide and more or less sessile. The edges of the leaves are rolled under, the lower surface covered with a thin layer of woolly hairs. The heads or daisy-like "flowers" are arranged singly on the ends of stems and short side branchlets, and are more or less sessile, with three or four rows of bracts forming an involucre 4–5 mm (0.16–0.20 in) long at the base. Each head has five to nine ray florets, the white petal-like ligules 3–9 mm (0.12–0.35 in) long, surrounding four to eight pale yellow disc florets. Flowering occurs from July to October and the fruit is an achene 1.5–2 mm (0.059–0.079 in) long, the 25 to 40 pappus bristles about 3 mm (0.12 in) long. [2] [3]

Taxonomy

This daisy-bush was first formally described in 1853 by Otto Wilhelm Sonder who gave it the name Eurybia brachyphylla in the journal Linnaea: ein Journal für die Botanik in ihrem ganzen Umfange, oder Beiträge zur Pflanzenkunde, from an unpublished description by Ferdinand von Mueller. [4] [5] In 1956, Norman Arthur Wakefield changed the name to Olearia brachyphylla in The Victorian Naturalist . [6] The specific epithet (brachyphylla) means "short-leaved". [7]

Distribution and habitat

Olearia brachyphylla grows in mallee and heath in southern South Australia, and in the Avon Wheatbelt, Esperance Plains and Mallee biogeographic regions of south-western Western Australia. [2] [3]

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<i>Dampiera rosmarinifolia</i> Species of plant

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Olearia hookeri, commonly known as crimsontip daisybush, is a species of flowering plant in the family Asteraceae and is endemic to Tasmania. It is a sticky shrub with small, narrowly linear leaves and white to bluish-purple and yellow, daisy-like inflorescences.

Olearia incondita is a species of flowering plant in the family Asteraceae and is endemic to the south-west of Western Australia. It is a straggly shrub with narrowly elliptic leaves and white or pink and yellow, daisy-like inflorescences.

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Olearia lehmanniana is a species of flowering plant in the family Asteraceae and is endemic to inland areas of the south-west of Western Australia. It is a shrub with scattered elliptic or linear leaves that are densely hairy on the lower surface, and pale mauve, daisy-like inflorescences.

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

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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.

Olearia strigosa, commonly known as bristly daisy bush, is a species of flowering plant in the family Asteraceae and is endemic to the south-west of Western Australia. It is an erect shrub with linear leaves and blue or purple, daisy-like inflorescences.

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

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References

  1. 1 2 "Olearia brachyphylla". Australian Plant Census. Retrieved 8 March 2022.
  2. 1 2 "Olearia brachyphylla". FloraBase . Western Australian Government Department of Biodiversity, Conservation and Attractions.
  3. 1 2 "Olearia brachyphylla". State Herbarium of South Australia. Retrieved 8 March 2022.
  4. "Eurybia brachyphylla". APNI. Retrieved 1 March 2022.
  5. Sonder, Otto W. (1853). "Plantae Muellerianae. Beitrag zur Flora Sudaustraliens, aus den Sammlungen des Dr. Ferd. Muller". Linnaea: Ein Journal für die Botanik in ihrem ganzen Umfange. 25: 455. Retrieved 8 March 2022.
  6. "Olearia brachyphylla". APNI. Retrieved 8 March 2022.
  7. Sharr, Francis Aubi; George, Alex (2019). Western Australian Plant Names and Their Meanings (3rd ed.). Kardinya, WA: Four Gables Press. p. 149. ISBN   9780958034180.