Epacris petrophila

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Epacris petrophila
Epacris petrophila.jpg
In the Royal Tasmanian Botanical Gardens
Scientific classification Red Pencil Icon.png
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Ericales
Family: Ericaceae
Genus: Epacris
Species:
E. petrophila
Binomial name
Epacris petrophila
Synonyms [1]

Epacris microphyllaHook.f. nom. illeg.

Habit near Thredbo Epacris petrophila habit.jpg
Habit near Thredbo

Epacris petrophila, commonly known as snow heath, [2] is a species of flowering plant from the heath family, Ericaceae, and is endemic to south-eastern Australia. It is an erect, bushy, sometimes low-lying shrub with egg-shaped to elliptic leaves and tube-shaped white flowers in small clusters on the ends of branches.

Contents

Description

Epacris petrophila is an erect, bushy, sometimes low-lying shrub that typically grows to a height of 30–80 cm (12–31 in) and has softly-hairy branchlets. Its leaves are erect, elliptic or egg-shaped, sometimes with the narrower end towards the base, 1.1–3.3 mm (0.043–0.130 in) long and 0.7–1.7 mm (0.028–0.067 in) wide 0.1–0.2 mm (0.0039–0.0079 in) long, and with minute teeth on the edges. The flowers are borne in clusters up to 10 mm (0.39 in) long on the ends of branches and are more or less sessile with 8 to 10 bracts at the base. The sepals are egg-shaped, 2–3 mm (0.079–0.118 in) long and the petals are white, joined at the base to form a bell-shaped tube 1.3–2.0 mm (0.051–0.079 in) long with lobes 1.4–2.5 mm (0.055–0.098 in) long. Flowering occurs from December to February and the fruit is a capsule about 1.5 mm (0.059 in) long. [2] [3] [4]

Taxonomy

Epacris petrophila was first formally described in 1857 by Joseph Dalton Hooker in The botany of the Antarctic voyage of H.M. Discovery ships Erebus and Terror. III. Flora Tasmaniae from specimens collected by Ronald Campbell Gunn. [5] [6] The specific epithet (petrophila) means "rock-loving". [7]

Distribution and habitat

Snow heath grows in the alpine and subalpine feldmark, heath and bog in New South Wales and the Australian Capital Territory south from Mount Kosciuszko, in a few locations in Victoria and in Tasmania where it is common on the Central Plateau. [2] [3] [4]

Ecology

The seeds of E. petrophila weigh about 0.02 g (0.00071 oz) and are only 0.5 mm (0.020 in) long, suggesting dispersal by wind or water, or in mud adhering to the feet of birds. [8]

The seed of Epacris petrophila was featured on the $1 postage stamp issued on 8 October 2019 by Australia Post. [9] The stamp issue was one of three stamps, each featuring the seeds of threatened Australian plant species, recognising the work of the Australian Seed Bank Partnership. [10] [8]

Related Research Articles

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

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

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<i>Pultenaea prostrata</i> Species of plant

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

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

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

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Epacris grandis, commonly known as grand heath or tall heath, is a species of flowering plant in the heath family Ericaceae and is endemic to a small area of Tasmania. It is a robust, erect shrub with smooth stems, lance-shaped leaves and tube-shaped flowers with white petals.

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

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

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Epacris rigida is a species of flowering plant in the family Ericaceae and is endemic to eastern New South Wales. It is an erect, bushy shrub with elliptic leaves and white or cream-coloured, tube-shaped flowers.

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

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<i>Cryptandra alpina</i> Species of flowering plant

Cryptandra alpina, commonly known as alpine pearlflower, is a species of flowering plant in the family Rhamnaceae and is endemic to Tasmania. It is a small, prostrate shrub with slender branches, linear leaves, and tube-shaped white flowers arranged singly on the ends of branches.

References

  1. 1 2 "Epacris petrophila". Australian Plant Census. Retrieved 29 June 2022.
  2. 1 2 3 Powell, Jocelym M. "Epacris petrophila". Royal Botanic Garden Sydney. Retrieved 2 July 2022.
  3. 1 2 Albrecht, David E. "Epacris petrophila". Royal BotanicGardens Victoria. Retrieved 2 July 2022.
  4. 1 2 Jordan, Greg. "Epacris petrophila". University of Tasmania. Retrieved 2 July 2022.
  5. ↑ "Epacris petrophila". APNI. Retrieved 2 July 2022.
  6. ↑ Hooker, Joseph D. (1857). The botany of the Antarctic voyage of H.M. discovery ships Erebus and Terror in the Years 1839-1843 :under the command of Captain Sir James Clark Ross. Vol. 3. London: Reeve Brothers. pp. 261–262. Retrieved 19 May 2022.
  7. ↑ Sharr, Francis Aubi; George, Alex (2019). Western Australian Plant Names and Their Meanings (3rd ed.). Kardinya, WA: Four Gables Press. p. 275. ISBN   9780958034180.
  8. 1 2 "Seed Banking Australia". Australia Post Collectables. Australia Post. 8 October 2019. Retrieved 9 October 2021.
  9. ↑ Australian Plants on Stamps.
  10. ↑ "Seed Banking Australia $1 Stamp Release". Australian Seed Bank Partnership. 8 October 2019. Retrieved 9 October 2021.
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