Olearia stilwelliae

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Olearia stilwelliae
Olearia stilwelliae.jpg
In the Australian National Botanic Gardens
Scientific classification Red Pencil Icon.png
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Genus: Olearia
Species:
O. stilwelliae
Binomial name
Olearia stilwelliae

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

Contents

Description

Olearia stilwelliae is a shrub that typically grows to a height of up to 60 cm (24 in). Its leaves are elliptic or egg-shaped, 25–134 mm (0.98–5.28 in) long and 16–35 mm (0.63–1.38 in) wide on a petiole 5–20 mm (0.20–0.79 in) long, the edges of the leaves sometimes toothed. The upper surface of the leaves is glabrous and the lower surface covered with felt-like hairs. The heads or daisy-like "flowers" are arranged singly in leaf axils on a peduncle up to 330 mm (13 in) long, and are 40–48 mm (1.6–1.9 in) in diameter. There are 8 to 12 usually white or pale blue ray florets, surrounding about 35 yellow disc florets, the ligule 15–18 mm (0.59–0.71 in) long. Flowering occurs from June to October and the fruit is a silky-hairy achene, the pappus with 77 to 100 bristles. [2] [3]

Taxonomy

Olearia stilwelliae was first formally described in 1925 by William Blakely in the Proceedings of the Linnean Society of New South Wales from specimens collected at Nana Glen in 1998. [3] [4] The specific epithet (stilwelliae) honours "Miss Sylvia Stilwell who discovered the species with Mr. D. W. C. Shiress". [3]

Distribution and habitat

This olearia is grows in forest from north of Grafton to Woolgoolga in north-eastern New South Wales. [2]

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

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Olearia burgessii is a species of flowering plant in the family Asteraceae and is endemic to south-eastern New South Wales. It is a shrub with scattered elliptic to egg-shaped leaves with the narrower end towards the base, and white and yellow, daisy-like inflorescences.

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

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

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

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<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 quercifolia</i> Species of shrub

Olearia quercifolia, commonly known as oak-leaved olearia, is a species of flowering plant in the family Asteraceae, and is endemic to the Blue Mountains in New South Wales. It is a shrub with elliptic to egg-shaped leaves with the narrower end towards the base, and white and yellow daisy flowers.

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

Olearia ramosissima, commonly known as much-branched daisy bush, is a species of flowering plant in the family Asteraceae and is endemic to continental Australia. It is a straggly shrub with densely-crowded, elliptic, egg-shaped or triangular leaves, and blue to violet and blue or yellow, daisy-like inflorescences.

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

Olearia rudis, commonly known as azure daisy-bush, is a species of flowering plant in the family Asteraceae and is endemic to eastern Australia. It is a usually short-lived shrub with crowded elliptic or egg-shaped leaves, and pale blue, mauve or purple and orange, daisy-like inflorescences.

References

  1. ↑ "Olearia stilwelliae". Australian Plant Census. Retrieved 1 August 2022.
  2. 1 2 Murray, Louisa. "Olearia stilwelliae". Royal Botanic Garden Sydney. Retrieved 1 July 2022.
  3. 1 2 3 Blakely, William F. (1925). "Contributions to our Knowledge of the Flora of New South Wales". Proceedings of the Linnean Society of New South Wales. 50 (4): 385–386. Retrieved 1 August 2022.
  4. ↑ "Olearia stilwelliae". APNI. Retrieved 1 August 2022.
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