Eucalyptus cunninghamii

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Cliff mallee ash
Eucalyptus cunninghamii Perrys - Blue Mountains NP.jpg
Cliff mallee ash with the Grose Valley in the background, in the Blue Mountains
Scientific classification Red Pencil Icon.png
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Myrtales
Family: Myrtaceae
Genus: Eucalyptus
Species:
E. cunninghamii
Binomial name
Eucalyptus cunninghamii
Synonyms [1]

Eucalyptus cunninghamii, commonly known as cliff mallee ash, [2] is a species of mallee that is endemic to the Blue Mountains in New South Wales. It has smooth grey bark, often with insect "scribbles", linear to narrow lance-shaped adult leaves, flowers buds in groups of seven or nine, white flowers and urn-shaped, barrel-shaped or more or less spherical fruit. It grows on cliff edges and upper edges of valleys.

Contents

Description

Eucalyptus cunninghamii is a mallee that typically grows to a height of 2 m (6 ft 7 in) and forms a lignotuber. It has smooth grey bark, often with insect scribbles, that is shed in ribbons. Young plants and coppice regrowth have sessile, linear to narrow lance-shaped leaves 50–100 mm (2.0–3.9 in) long and 3–5 mm (0.12–0.20 in) wide. Adult leaves are glossy green, linear to narrow lance-shaped, 30–100 mm (1.2–3.9 in) long and 3–8 mm (0.12–0.31 in) wide on a petiole 2–5 mm (0.079–0.197 in) long. The flower buds are arranged in groups of seven or nine on an unbranched peduncle 3–8 mm (0.12–0.31 in) long, the individual buds on a pedicel 2–4 mm (0.079–0.157 in) long. Mature buds are green or pinkish, oval to club-shaped, 4–6 mm (0.16–0.24 in) long and about 3 mm (0.12 in) wide and usually warty. Flowering occurs between September and December and the flowers are white. The fruit is a woody urn-shaped, barrel-shaped or more or less spherical capsule 5–8 mm (0.20–0.31 in) long and 5–7 mm (0.20–0.28 in) wide on a pedicel 1–2 mm (0.039–0.079 in) long and with the valves enclosed below the rim. [2] [3] [4] [5]

Taxonomy and naming

Cliff mallee ash was first formally described in 1825 by Allan Cunningham who gave it the name Eucalyptus microphylla and published the description in Barron Field's book, Geographical Memoirs on New South Wales. The name was a nomen illegitimum because it had already been used by Willdenow for a different species, [6] [7] but in 1830 Robert Sweet changed the name to E. cunninghamii in honour of Cunningham. [2] [8]

Distribution and habitat

This eucalypt is restricted to the Blue Mountains where it grows in shallow soil derived from sandstone and is found on cliff edges and the upper edges of valleys. [2] [3] [4]

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References

  1. 1 2 "Eucalyptus cunninghamii". Australian Plant Census. Retrieved 19 May 2019.
  2. 1 2 3 4 "Eucalyptus cunninghamii". Euclid: Centre for Australian National Biodiversity Research. Retrieved 4 June 2020.
  3. 1 2 Hill, Ken. "Eucalyptus cunninghamii". Royal Botanic Garden Sydney. Retrieved 19 May 2019.
  4. 1 2 Chippendale, George M. "Eucalyptus cunninghamii". Australian Biological Resources Study, Department of the Environment and Energy, Canberra. Retrieved 19 May 2019.
  5. ↑ Brooker, M. Ian (2006). Field Guide to Eucalypts (Volume 1). Burnley, Victoria: Bloomings Books. p. 102. ISBN   9781876473525.
  6. ↑ "Eucalyptus microphylla". APNI. Retrieved 19 May 2019.
  7. ↑ Field, Barron (ed.); Cunningham, Allan (1825). Geographical Memoirs on New South Wales. London: John Murray. p. 350. Retrieved 19 May 2019.CS1 maint: extra text: authors list (link)
  8. ↑ "Eucalyptus cunninghamii". APNI. Retrieved 19 May 2019.
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