Olearia cordata

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Olearia cordata
Scientific classification Red Pencil Icon.png
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Genus: Olearia
Species:
O. cordata
Binomial name
Olearia cordata

Olearia cordata is an aromatic slender shrub with mostly mauve to dark blue daisy-like flowers endemic to New South Wales. Flowers appear in clusters at the end of branches, leaves are narrow and heart-shaped near the base.

Contents

Description

Olearia cordata is a shrub to 2 m (6.6 ft) high. The branchlets and leaves are thickly covered in hairs and glands that are sticky and rough. The leaves grow sparsely and alternately are 10–40 mm (0.39–1.6 in) long and 2–8 mm (0.079–0.31 in) wide and obscure veins. The leaves are narrowly egg-shaped becoming heart shaped near the base and tapering to either a sharp point or rounded. The leaf margin is entire with a rolled edge. The single flower head consists of a cluster of 10-18 mauve to dark blue daisy-like flowers are up 22–35 mm (0.87–1.4 in) in diameter on a peduncle 40 mm (1.6 in) long. The flower centre is yellow. The fruit is smooth with several long hairs. Flowers from November to February. [2] [3] [4]

Taxonomy and naming

Olearia cordata was first formally described by Nicholas Lander in 1975 and published in Telopea . [5] The specific epithet (cordata) is derived from the Latin word cordatus meaning "heart-shaped". [6]

Distribution and habitat

This species is endemic to New South Wales in sparsely scattered locations from Wisemans Ferry to Wollombi mostly in National Parks. Grows in open scrubland on sandstone ridges in dry sclerophyll forest. [3] [4]

Conservation status

Olearia cordata is listed as "vulnerable" in New South Wales by the Office of Environment & Heritage and under the Australian Government EPBC Act. [4]

Related Research Articles

<i>Olearia</i> Genus of flowering plants

Olearia, most commonly known as daisy-bush, is a genus of flowering plants belonging to the family Asteraceae, the largest of the flowering plant families in the world. Olearia are found in Australia, New Guinea and New Zealand. The genus includes herbaceous plants, shrubs and small trees. The latter are unusual among the Asteraceae and are called tree daisies in New Zealand. All bear the familiar daisy-like composite flowerheads in white, pink, mauve or purple.

<i>Hakea archaeoides</i> Species of plant in the family Proteaceae endemic to New South Wales, Australia

Hakea archaeoides is a large shrub or small tree commonly known as Big Nellie hakea and is endemic to forest areas on the north coast of New South Wales, Australia. It has clusters of red and greenish yellow flowers in the flowering season.

<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 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 floribunda</i> Species of plant

Olearia floribunda, commonly known as heath daisy-bush, is a species of flowering plant in the family Asteraceae.

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

Olearia elliptica, commonly known as the sticky daisy bush, is a shrub in the daisy family, Asteraceae and is native to New South Wales and Queensland in eastern Australia. It has scattered, sticky leaves and white flowers in summer and autumn.

<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>Zieria covenyi</i>

Zieria covenyi, commonly known as the Coveny's zieria, is a plant in the citrus family Rutaceae and is endemic to a small area in the Blue Mountains of New South Wales. It is an erect shrub which multiples asexually from root suckers and has three-part, clover-like leaves and clusters of white to pink flowers with four petals and four stamens.

Olearia aglossa, is a shrub in the family Asteraceae and is found in mountainous terrain in New South Wales and Victoria in Australia. It is a small shrub with spreading upright branches and white daisy-like flowers.

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

Olearia alpicola, commonly known as alpine daisy bush, is a shrub in the family Asteraceae and is found in mountainous terrain in New South Wales and Victoria in Australia. A small shrub with spreading branches and white daisy-like flowers.

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

Olearia brevipedunculata, commonly known as the dusty daisy-bush, is a small shrub with whitish-grey foliage and white daisy-like flowers in summer. Mostly found in Victoria and scattered locations in New South Wales, Australia.

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

Olearia magniflora, commonly known as the 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>Brachyscome ascendens</i> Species of flowering plant

Brachyscome ascendens, the border ranges daisy, is a species of flowering plant in the family Asteraceae and is endemic to Australia. It has mostly mauve daisy-like flowers and a yellow centre.

<i>Brachyscome graminea</i> Species of flowering plant

Brachyscome graminea, commonly known as grass daisy, is a perennial herb in the family Asteraceae and is endemic to Australia. It has mostly mauve-pink or purple daisy-like flowers and a yellow centre.

<i>Prostanthera askania</i>

Prostanthera askania, commonly known as tranquility mintbush, is a shrub that is endemic to Australia. It has mostly pale mauve flowers, strongly scented leaves and branches, dull green, toothed egg-shaped leaves and a restricted distribution.

Leionema equestre, commonly known as Kangaroo Island phebalium, is a shrub species that is endemic to South Australia. It is a small spreading shrub with rough, green leaves and whitish-pink flowers from late winter to October.

<i>Prostanthera cineolifera</i>

Prostanthera cineolifera, commonly known as the Singleton mint bush, is a species of flowering plant in the family Lamiaceae and is endemic to eastern New South Wales. It is an erect shrub with hairy branches, narrow egg-shaped leaves and clusters of pale mauve to dark purple-mauve flowers arranged on the ends of branchlets.

<i>Olearia minor</i> Species of plant in the family Asteraceae

Olearia minor, is a small flowering shrub in the family Asteraceae. It has alternate leaves and white to pale mauve daisy-like flowers from winter to December. It grows in Western Australia, South Australia, New South Wales, and Victoria.

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

Olearia oppositifolia is a species of flowering plant in the family Asteraceae and is endemic to eastern Australia. It is a shrub with egg-shaped to elliptic leaves arranged in opposite pairs, and white and yellow daisy flowers.

References

  1. "Olearia cordata". APC. Retrieved 28 May 2019.
  2. "Olearia cordata". NSW Threatened Species. NSW Office of Environment and Heritage. Retrieved 28 May 2019.
  3. 1 2 Lander, N.S. "Olearia cordata". New South Wales FloraOnline. Retrieved 28 May 2019.
  4. 1 2 3 "Olearia cordata". Office of Environment & Heritage. NSW Government. Retrieved 4 June 2019.
  5. Lander, Nicholas S. "Olearia cordata". APNI. Retrieved 4 June 2019.
  6. Brown, Roland Wilbur (1956). The Composition of Scientific Words. Washington, D.C.: Smithsonian Institution Press. p. 232.