Eucalyptus accedens

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Powderbark wandoo
Avon vally gnangarra-42.jpg
Eucalyptus accedens in the Avon Valley National Park
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. accedens
Binomial name
Eucalyptus accedens
Powderbark bark Powderbark bark (7159594145).jpg
Powderbark bark
Powderbark wandoo Avon vally gnangarra-46.jpg
Powderbark wandoo
E. accedens with grasstree at Avon valley Avon vally gnangarra-35.jpg
E. accedens with grasstree at Avon valley

Eucalyptus accedens, commonly known as smooth bark wandoo or powderbark wandoo is a species of tree endemic to the south-west of Western Australia. Although the common names suggest it is similar to wandoo, ( Eucalyptus wandoo ), the two species are very different botanically. The bark of E. accedens has talc-like powder, at least on the protected side of the trunk and the tree usually grows on laterite in higher places. [3] [4]

Contents

Description

Eucalyptus accedens is a tree which typically grows to a height of 15 to 25 metres (49 to 82 ft) [5] with branches high up the trunk [3] and forms a lignotuber. Its diameter can be as large as 1.5 metres (5 ft) and hollows will readily form in dead branches or where limbs have fallen. [6] The smooth bark is notable for being covered in a talc-like powder. It is pale-white when fresh, turning a shade of orange before being shed again. [3] The adult leaves are arranged alternately and are the same dull blue-green colour on both sides. The blade is 8 to 18 centimetres (3.1 to 7.1 in) in length and 1.2 to 3 cm (0.47 to 1.18 in) wide with a lanceolate shape and tapers to a pointed tip. The leaf petioles are 1.3 to 3.2 cm (0.51 to 1.26 in) long. [7]

White flowers are produced between December and April. [5] The inflorescence is single and axillary with a peduncle 0.7 to 1.7 cm (0.28 to 0.67 in) long. It will form pedicellate buds in clusters of 7, 9 or 11, with cylindrical to obovoid or ovoid shape. It forms fruit that are pedicellate and cylindrical to barrel-shaped with a width of 0.5 to 0.9 cm (0.20 to 0.35 in). The fruits contain brown seeds with an ovoid or flattened-ovoid shape and a length of 1.5 to 2.5 mm (0.06 to 0.10 in). [7]

Eucalyptus wandoo and E. accedens have a very similar appearance, but can be distinguished by the orangey coloured powdery coating on the bark of E. accedens that appears seasonally. It also has larger, more rounded buds and more rounded juvenile foliage. [6]

Taxonomy and naming

Eucalyptus accedens was first formally described in 1904 by William Vincent Fitzgerald from specimens he had collected near Pingelly the previous year. [8] [9] The specific epithet (accedens) is a Latin word meaning "approaching" or "resembling", referring to the similarity of the bark of this species to that of E. wandoo . [10]

Distribution and habitat

Powderbark wandoo will grow in gravelly or clay-loam soils over laterite. It is commonly found on stony ridges or lateritic breakaways [5] and often above stands of Eucalyptus wandoo . [6] Its range extends from south east of Geraldton in the Mid West region south through the Darling Range as far as Williams, Western Australia in the Wheatbelt region. [7]

Occurring on woodland areas, associated species include E. wandoo as E. wandoo often occurs below E. accedens in the overstorey landscape, and occasionally with E. astringens, and sometimes with E. marginata on the western fringe. In the understorey, shrubs such as Hypocalymma angustifolia , Hibbertia hypericoides , Hakea lissocarpha , Acacia pulchella , Hovea chorizemifolia , Gastrolobium microcarpum , Lepidosperma leptostachyum and Bossiaea eriocarpa are often found. [6]

Conservation

This eucalypt is classified as "not threatened" by the Western Australian Government Department of Parks and Wildlife. [5]

Uses

Use in horticulture

Eucalyptus accedens is now commonly sold as an ornamental shade or shelter tree. Bark is often used to deter ants. It tolerates a wide range of soil types except for lime and is reasonably drought tolerant and is available as seed or seedlings. [11] [12]

The powder that accumulates on the trunk was tested as a deterrent for arthropods in 2004. The results demonstrated that ant mortality was much greater on paper discs coated with the powder than on control discs. [13]

See also

Related Research Articles

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

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

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

Eucalyptus loxophleba, commonly known as York gum, daarwet, goatta, twotta or yandee, is a species of tree or mallee that is endemic to Western Australia. It has rough bark on the trunk, smooth olive to brownish bark above, lance-shaped adult leaves, flowers buds in groups of between seven and eleven, white flowers and conical fruit.

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

Eucalyptus astringens, commonly known as brown mallet or to Noongar people as mallat, woonert or wurnert, is a tree that is endemic to the South West region of Western Australia. It has smooth, shiny bark on its trunk and branches, lance-shaped leaves, pendulous flower buds arranged in groups of seven, cream-coloured to pale lemon-coloured flowers and cup-shaped to bell-shaped or conical fruit. This tree has also been introduced to Victoria.

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

Eucalyptus baudiniana is a tree, rarely a mallee, that is endemic to Western Australia. It has rough bark on its trunk, smooth brownish bark above, narrow lance-shaped to curved adult leaves, oval buds in groups of seven to fifteen, white flowers and barrel-shaped fruit.

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

Eucalyptus capillosa, commonly known as wheatbelt wandoo, or mallee wandoo, is a species of tree or mallee that is endemic to Western Australia. It has smooth, grey bark, lance-shaped to elliptic adult leaves, spindle-shaped flower buds in groups of nine to thirteen, white flowers and barrel-shaped to cylindrical fruit.

Eucalyptus crispata, commonly known as the Yandanooka mallee, is a species of tall mallee that is endemic to a small area on the east coast of Western Australia. It has a stocking of rough bark near the base of its trunk, smooth grey bark above, lance-shaped adult leaves, flower buds in groups of between nine and eleven, whitish to yellowish cream flowers and cup-shaped, barrel-shaped or hemispherical to cylindrical 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.

Eucalyptus histophylla is a species of mallee or small tree that is endemic to southern Western Australia. It has smooth bark, often with ribbons of shed bark, linear to narrow lance-shaped adult leaves, flower buds arranged in groups in leaf axils, white flowers and cylindrical to barrel-shaped or conical fruit.

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

Eucalyptus kondininensis, commonly known as Kondinin blackbutt, is a species of tree that is endemic to Western Australia. It has rough, black bark on the trunk, smooth grey to white bark on the branches, lance-shaped adult leaves, flower buds in groups of seven, white flowers and cup-shaped to conical fruit.

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

Eucalyptus longicornis, commonly known as red morrel, morryl, poot or pu, is a species of large tree that is endemic to the south-west of Western Australia. It has rough, fibrous, fissured bark on the trunk, smooth greyish bark above, flower buds in groups of seven or more, white flowers and shortened spherical fruit.

Eucalyptus melanophitra is a species of mallet that is endemic to a restricted area of Western Australia. It has rough, flaky grey bark on the trunk, smooth grey bark above, narrow lance-shaped adult leaves, flower buds in groups of nine or eleven, pale yellow flowers and cylindrical to barrel-shaped fruit.

Eucalyptus nigrifunda, commonly known as desert wandoo, is a species of tree that is endemic to a small area in central Western Australia. It has smooth reddish brown bark with some rough, flaky black bark near the base of the trunk, lance-shaped adult leaves, flower buds in groups of nine, white flowers and cylindrical to barrel-shaped fruit.

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

Eucalyptus occidentalis, commonly known as the flat topped yate or the swamp yate, is a tree that is native to Western Australia. The Noongar names for the tree are Mo or Yundill.

<i>Hakea loranthifolia</i> Species of shrub of the family Proteaceae endemic to Western Australia

Hakea loranthifolia is a shrub of the family Proteaceae and is endemic to Western Australia. It has an open growth habit, stiff egg-shaped leaves with longitudinal veins, smooth grey bark and white flowers from July to September.

<i>Eucalyptus lane-poolei</i> Species of eucalyptus

Eucalyptus lane-poolei, commonly known as salmon white gum, is a species of tree or mallee that is endemic to Western Australia. It has smooth but scaly-looking bark, narrow lance-shaped or curved adult leaves, flower buds in groups of seven, creamy white flowers and hemispherical fruit.

Eucalyptus moderata, also known as redwood mallee, is a species of tree or a mallee that is endemic to the southwest of Western Australia. It has rough, hard, fibrous bark on some or all of the trunk, lance-shaped adult leaves, flower buds usually in groups of seven, pale yellow flowers and pendulous, urn-shaped fruit.

References

  1. Fensham, R.; Collingwood, T.; Laffineur, B. (2019). "Eucalyptus accedens". IUCN Red List of Threatened Species . 2019: e.T133348920A133354663. doi: 10.2305/IUCN.UK.2019-3.RLTS.T133348920A133354663.en . Retrieved 20 September 2021.
  2. "Eucalyptus accedens". Australian Plant Census. Retrieved 14 November 2020.
  3. 1 2 3 Holliday, I. (2002). A field guide to Australian trees (3rd ed.). Frenchs Forest, N.S.W.: New Holland. ISBN   978-1-876334-79-6.
  4. Gardner, Charles A.; Aplin, Theodore E.H. (Ed.) (1987). Eucalypts of Western Australia. Perth: Western Australian Herbarium, Dept. of Agriculture, Western Australia. pp. 217–218. ISBN   0724489983.
  5. 1 2 3 4 "Eucalyptus accedens". FloraBase . Western Australian Government Department of Biodiversity, Conservation and Attractions.
  6. 1 2 3 4 "Eucalyptus accedens". Wheatbelt Woodlands. Department of Environment and Conservation. Retrieved 23 October 2016.
  7. 1 2 3 "Powder-bark wandoo Eucalyptus accedens W.Fitzg., J. W. Austral. Nat. Hist. Soc. 1: 21 (1904)". Euclid. CSIRO. 2002. Retrieved 23 October 2016.
  8. "Eucalyptus accedens". APNI. Retrieved 5 November 2017.
  9. Fitzgerald, William V. (1904). "Additions to the West Australian flora". Journal of the West Australian Natural History Society. 2 (1): 21–22. Retrieved 5 November 2017.
  10. Francis Aubie Sharr (2019). Western Australian Plant Names and their Meanings. Kardinya, Western Australia: Four Gables Press. p. 125. ISBN   9780958034180.
  11. "Eucalyptus accedens 'Smooth Bark Wandoo'". Ellenby Tree Farm. 2015. Retrieved 23 October 2016.
  12. "Eucalyptus accedens". Apace WA. Retrieved 13 December 2023.
  13. J D Majer, R D Cocquyt and H F Recher (2004). "Powdery bark in Eucalyptus accedens deters arthropods? An evaluation using ants" (PDF). Royal Society of Western Australia . Retrieved 23 October 2016.