Eucalyptus canobolensis

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Eucalyptus canobolensis
Eucalyptus canobolensis.jpg
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Myrtales
Family: Myrtaceae
Genus: Eucalyptus
Species:
E. canobolensis
Binomial name
Eucalyptus canobolensis
Synonyms [2]

Eucalyptus rubida subsp. canobolensisL.A.S.Johnson & K.D.Hill

Contents

Eucalyptus canobolensis, commonly known as the Mount Canobolas candlebark [3] or silver-leaf candlebark, [1] is a species of tree that is endemic to a small area of New South Wales in eastern Australia. It is a small tree with smooth bark on the trunk and branches, dull, lance-shaped adult leaves, flowers buds in groups of three, white flowers and cup-shaped, bell-shaped or conical fruit. It is only known from Mount Canobolas near Orange.

Description

Eucalyptus canobolensis is a tree that typically grows to a height of about 12 m (40 ft) and forms a lignotuber. It has smooth, often powdery, white, cream-coloured, yellowish or pink bark, sometimes with rough greyish bark at the base. The leaves on young plants and on coppice regrowth are arranged in opposite pairs, sessile, mostly 30–110 mm (1.2–4.3 in) long and wide on a petiole 10–20 mm (0.39–0.79 in) long. Adult leaves are arranged alternately, lance-shaped, dull grey or glaucous, 65–190 mm (2.6–7.5 in) long and 11–37 mm (0.4–1 in) wide on a petiole 12–35 mm (0.47–1.4 in) long. They are more or less the same colour on both surfaces. The flower buds are arranged in groups of three in leaf axils on a flattened peduncle 3–9 mm (0.1–0.4 in) long, the individual buds sessile. The mature buds are oval to spindle-shaped, about 6 mm (0.24 in) long and 4 mm (0.2 in) wide with a conical operculum. Flowering has been observed in February and the flowers are white. The fruit is a woody, cup-shaped, bell-shaped or conical capsule 5–6 mm (0.20–0.24 in) long and 5–8 mm (0.20–0.31 in) wide and sessile or on a very short pedicel. The valves of the fruit extend beyond the rim. [3] [4] [5]

Taxonomy and naming

Mount Canobolas candlebark was first described in 1991 by Lawrie Johnson and Ken Hill who gave it the name Eucalyptus rubida subsp. canobolensis from a specimen collected on Mount Canobolas, and published the description in the journal Telopea . [6] In 1998 John Hunter raised it to species status as E. canobolensis. [7] The specific epithet (canobolensis) refers to the type location. The ending -ensis is a Latin suffix meaning "place for" or "where". [8]

Distribution and habitat

Eucalyptus canobolensis is only known from the upper slopes of Mount Canobolas where it grows in subalpine woodland. [4]

Conservation status

Mount Canobolas candlebark is classified as "endangered" under the Australian Government Environment Protection and Biodiversity Conservation Act 1999 and as "vulnerable" under the New South Wales Government Biodiversity Conservation Act 2016 . The main threats to the species are weed invasion, especially by blackberry ( Rubus fruticosus ) and Pinus radiata from nearby plantations, infrastructure development and forestry operations. [1] [9]

Related Research Articles

<i>Eucalyptus rubida</i> Species of eucalyptus

Eucalyptus rubida, commonly known as candlebark, ribbon gum or white gum, is a species of small to medium-sized tree that is endemic to south-eastern Australia. It has smooth bark, sometimes with rough bark at the base, lance-shaped or curved adult leaves, flower buds in groups of three, white flowers and cup-shaped, hemispherical or bell-shaped fruit.

<i>Eucalyptus globulus <span style="font-style:normal;">subsp.</span> bicostata</i> Subspecies of eucalyptus

Eucalyptus globulus subsp. bicostata, commonly known as the southern blue gum, eurabbie, blue gum or Victorian blue gum, is a subspecies of tree that is endemic to south-eastern Australia. It has mostly smooth bark with some persistent slabs of old bark at the base, juvenile leaves with one glaucous side, glossy, lance-shaped adult leaves, warty flower buds in groups of three, white flowers and hemispherical to conical fruit.

<i>Eucalyptus copulans</i> Species of eucalyptus

Eucalyptus copulans is a species of small, critically endangered tree only known in the wild from one or two individual plants in the Blue Mountains of New South Wales. It has smooth bark, usually with several main stems, lance-shaped adult leaves, flower buds in group of eleven or more and more or less spherical fruit.

<i>Eucalyptus imlayensis</i> Species of eucalyptus

Eucalyptus imlayensis, commonly known as the Mount Imlay mallee, is a species of small, straggly mallee that is endemic to the far south east of New South Wales, only occurring near the summit of Mount Imlay. It has mostly smooth bark, lance-shaped to curved adult leaves, flower buds in groups of three, white flowers and cup-shaped, bell-shaped or hemispherical fruit.

<i>Eucalyptus scias</i> Species of eucalyptus

Eucalyptus scias, known as the large-fruited red mahogany, is a species of small, straggly to medium-sized tree that is endemic to the high rainfall coastal areas of New South Wales. It has rough, fibrous bark on the trunk and branches, lance-shaped adult leaves, flower buds in groups of three or seven, white flowers and cup-shaped, conical or bell-shaped fruit.

<i>Eucalyptus balladoniensis</i> Species of eucalyptus

Eucalyptus balladoniensis, commonly known as the Balladonia mallee, is a mallee that is endemic to an area in the south of Western Australia. It has rough bark on the lower half of its stems, smooth brownish bark above, lance-shaped leaves, flower buds in groups of seven, pale yellow flowers and hemispherical to more or less spherical fruit.

<i>Eucalyptus effusa</i> Species of eucalyptus

Eucalyptus effusa, commonly known as rough-barked gimlet, is a species of mallee or small tree that is endemic to Western Australia. It has thin, rough bark on the base of the trunk, smooth bark above, linear to narrow lance-shaped adult leaves, flower buds arranged in groups of seven, white flowers and cup-shaped to conical fruit.

<i>Eucalyptus fraseri</i> Species of eucalyptus

Eucalyptus fraseri, commonly known as Balladonia gum, is a species of tree or mallet that is endemic to Western Australia. It has smooth white to greyish bark, lance-shaped or curved adult leaves, flower buds in groups of seven or nine, white flowers and cup-shaped, conical or hemispherical fruit.

<i>Eucalyptus kessellii</i> Species of eucalyptus

Eucalyptus kessellii, commonly known as Jerdacuttup mallee, is a species of mallee that is endemic to an area along the south coast of Western Australia. It has very hard, rough bark on the trunk of larger specimens, smooth greyish and brownish bark above, lance-shaped to egg-shaped adult leaves, flower buds in groups of three or seven, creamy white flowers and downturned, conical to cup-shaped fruit.

<i>Eucalyptus leptocalyx</i> Species of eucalyptus

Eucalyptus leptocalyx, commonly known as Hopetoun mallee, is a species of mallee that is endemic to an area along the south coast of Western Australia. It has smooth bark, lance-shaped adult leaves, flower buds in groups of between nine and fifteen, creamy white flowers and barrel-shaped to cylindrical fruit.

<i>Eucalyptus phenax</i> Species of plant

Eucalyptus phenax, commonly known as green dumosa mallee or white mallee, is a species of mallee that is endemic to southern Australia. It has smooth bark, lance-shaped adult leaves, flower buds in groups of seven or nine, white flowers and cup-shaped to cylindrical fruit.

Eucalyptus quaerenda is a species of mallee that is endemic to the southwest of Western Australia. It is an often rounded mallee with foliage reaching the ground and has smooth bark, linear adult leaves, flower buds in groups of seven, creamy white flowers and shallow, cup-shaped to flattened spherical fruit.

<i>Eucalyptus sargentii</i> Species of eucalyptus

Eucalyptus sargentii, commonly known as Salt River gum, is a species of mallet, mallee or small tree that is endemic to Western Australia. It has rough bark on part or all of the trunk, smooth bark above, linear to narrow lance-shaped leaves, flower buds in groups of seven, whitish to creamy yellow flowers and conical fruit.

Eucalyptus suggrandis is a species of mallee that is endemic to the southwest of Western Australia. It has smooth, shiny bark, linear to elliptical leaves, flower buds in groups of three or seven, creamy white flowers and cup-shaped to conical fruit.

Eucalyptus valens is a species of mallet, a tree lacking a lignotuber, that is endemic to near-coastal areas of southern Western Australia. It has smooth bark, lance-shaped adult leaves, flower buds in groups of seven and cup-shaped fruit.

Eucalyptus vegrandis, commonly known as the Ongerup mallee or Cranbrook mallee, is a species of mallee that is endemic to the south-west of Western Australia. It has smooth bark, linear to lance-shaped adult leaves, flower buds in groups of seven, creamy white flowers and cup-shaped or conical fruit.

<i>Eucalyptus terebra</i> Species of eucalyptus

Eucalyptus terebra, commonly known as Balladonia gimlet, is a species of gimlet that is endemic to Western Australia. It has satiny or glossy bark on its fluted trunk, linear to narrow lance-shaped adult leaves, flower buds in groups of seven, yellowish flowers and conical to hemispherical fruit. It is one of the seven species of gimlet.

Eucalyptus lockyeri, commonly known as Lockyer's box, is a species of small tree endemic to a small area in Queensland. It has rough bark near the base of the trunk, smooth bark above, lance-shaped adult leaves, flower buds in groups of seven, white flowers and hemispherical fruit.

<i>Eucalyptus <span style="font-style:normal;">×</span> balanopelex</i> Species of eucalyptus

Eucalyptus × balanopelex is a mallee that is endemic to a small area of the south-west of Western Australia. It has smooth bark, broadly lance-shaped adult leaves, flower buds in groups of seven, creamy-white flowers and hemispherical fruit. It is thought to be a hybrid between E. kessellii subsp. eugnosta and E. semiglobosa.

<i>Eucalyptus notactites</i> Species of eucalyptus

Eucalyptus notactites, commonly known as southern limestone mallee, is a species of mallee that is endemic to the southwest of Western Australia. It has smooth, greyish bark, lance-shaped adult leaves, flower buds in groups of between eleven and fifteen, creamy white flowers and hemispherical fruit.

References

  1. 1 2 3 "Approved Conservation Advice for Eucalyptus canobolensis" (PDF). Australian Government Department of the Environment. Retrieved 12 April 2019.
  2. 1 2 "Eucalyptus canobolensis". Australian Plant Census. Retrieved 12 April 2019.
  3. 1 2 "Eucalyptus canobolensis". Euclid: Centre for Australian National Biodiversity Research. Retrieved 4 June 2020.
  4. 1 2 Hill, Ken. "Eucalyptus canobolas". Royal Botanic Garden Sydney. Retrieved 12 April 2019.
  5. ↑ Hill, Kenneth; Johnson, Lawrence (1 March 1991). "Systematic studies in the eucalypts - 3. New taxa and combinations in Eucalyptus (Myrtaceae)". Telopea. 4 (2): 239–240. doi: 10.7751/telopea19914928 .
  6. ↑ "Eucalyptus rubida subsp. canobolensis". APNI. Retrieved 12 April 2019.
  7. ↑ "Eucalyptus canobolensis". APNI. Retrieved 12 April 2019.
  8. ↑ Brown, Roland Wilbur (1956). The Composition of Scientific Words. Washington, D.C.: Smithsonian Institution Press. p. 45.
  9. ↑ "Silver-leaf candlebark - profile". New South Wales Government Office of Environment and Heritage. Retrieved 12 April 2019.
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