Eucalyptus oxymitra

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Sharp-capped mallee
Eucalyptus oxymitra.jpg
Eucalyptus oxymitra on Mount Conner
Scientific classification Red Pencil Icon.png
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Myrtales
Family: Myrtaceae
Genus: Eucalyptus
Species:
E. oxymitra
Binomial name
Eucalyptus oxymitra
flowers and buds Eucalyptus oxymitra buds.jpg
flowers and buds

Eucalyptus oxymitra, commonly known as the sharp-capped mallee, [2] is a species of mallee that is endemic to remote parts of Central Australia. It has rough bark on the trunk, smooth greyish bark above, lance-shaped to egg-shaped adult leaves, flower buds in groups of seven, white to pale yellow flowers and hemispherical fruit.

Contents

Description

Eucalyptus oxymitra is a mallee that typically grows to a height of 2–4 m (6 ft 7 in–13 ft 1 in) and forms a lignotuber. It has rough, imperfectly shed ribbons of greyish brown bark on the trunk, smooth grey to cream-coloured bark on the branches. Young plant and coppice regrowth have greyish blue, egg-shaped leaves that are 40–110 mm (1.6–4.3 in) long and 25–45 mm (0.98–1.77 in) wide. Adult leaves are the same shade of dull, greyish green on both sides, lance-shaped to egg-shaped, 55–125 mm (2.2–4.9 in) long and 15–40 mm (0.59–1.57 in) wide, tapering to a petiole 12–28 mm (0.47–1.10 in) long. The flower buds are arranged in leaf axils on an unbranched peduncle 7–15 mm (0.28–0.59 in) long, the individual buds on pedicels 2–7 mm (0.079–0.276 in) long. Mature buds are oval, 11–16 mm (0.43–0.63 in) long and 6–13 mm (0.24–0.51 in) wide with a prominently beaked operculum. Flowering mainly occurs from October to January and the flowers are white to pale yellow. The fruit is a woody, hemispherical to shortened spherical capsule 5–12 mm (0.20–0.47 in) long and 10–21 mm (0.39–0.83 in) wide with the valves protruding above the rim. [2] [3] [4]

Taxonomy

Eucalyptus oxymitra was first formally described in 1936 by William Blakely in Transactions and Proceedings of the Royal Society of South Australia . The type material was collected by Ralph Tate in 1894 during the Horn expedition. [5] [6] The specific epithet (oxymitra) is from ancient Greek, meaning "sharp cap", referring to the long, narrow operculum. [7]

Distribution and habitat

Sharp-capped mallee grows in open shrubland in undulating sand and on sand dunes in the central Australian ranges of the far east of Western Australian, south-western Northern Territory and north-western South Australia. [4]

Conservation status

This eucalypt is classified as "not threatened" by the Western Australian Government Department of Parks and Wildlife. [2]

See also

Related Research Articles

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<i>Eucalyptus kessellii</i>

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

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Eucalyptus optima, is a species of small to medium-sized tree or a mallet that is endemic to a small area in the south of Western Australia. It has smooth white to greyish bark, sometimes with rough black bark on the base of the trunk, lance-shaped adult leaves, flower buds in groups of seven or nine, pale yellow flowers and cup-shaped, hemispherical or urn-shaped fruit.

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

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<i>Eucalyptus pileata</i>

Eucalyptus pileata, commonly known as the capped mallee, is a species of mallee that is native to South Australia and Western Australia. It has smooth greyish bark, narrow lance-shaped adult leaves, flower buds in groups of seven, white flowers and cup-shaped, conical or barrel-shaped fruit.

Eucalyptus quadrans is a species of mallee or a small tree that is endemic to the southwest of Western Australia. It has smooth, greyish bark, narrow lance-shaped adult leaves, flower buds in groups of seven, white flowers and cup-shaped fruit that are square in cross-section.

<i>Eucalyptus rugosa</i>

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

Eucalyptus yalatensis, commonly known as the Yalata mallee, is a species of mallee or a shrub that is endemic to southern Australia. It has rough, fibrous or flaky bark on the stems, smooth bark above, lance-shaped adult leaves, flower buds mostly in groups of nine, creamy white or yellowish flowers and hemispherical to shortened spherical fruit.

Eucalyptus remota, commonly known as the Kangaroo Island ash, Kangaroo Island mallee ash, or Mount Taylor mallee, is a species of tree or mallee that is endemic to Kangaroo Island in South Australia. It has smooth bark, often with rough, fibrous bark on the trunk, lance-shaped adult leaves, flower buds in group of between nine and twenty one, white flowers and hemispherical or shortened spherical fruit.

<i>Eucalyptus ammophila</i>

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<i>Eucalyptus ceratocorys</i>

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Eucalyptus foliosa is a species of mallee that is endemic to Western Australia. It has a dense crown with foliage reaching to the ground, smooth greyish bark, linear to narrow lance-shaped or narrow oblong adult leaves, flower buds in groups of seven or nine, white flowers and conical to shortened hemispherical fruit. It is only known from a small area near Esperance.

Eucalyptus tephrodes is a species of small tree or mallee that is endemic to Western Australia. It has rough bark on the trunk and larger branches, smooth bark above, egg-shaped to lance-shaped adult leaves, flower buds in groups of three on the ends of branchlets and cup-shaped to hemispherical fruit.

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

Eucalyptus canescens, commonly known as the Ooldea Range mallee or Beadell's mallee, depending on subspecies, is a species of mallee that is endemic to southern Australia. It has rough bark from the base of the trunk to the thicker branches, smooth bark on the thin branches, egg-shaped to lance-shaped adult leaves, flower buds in groups of between seven and eleven, creamy white flowers and smooth cup-shaped to conical, and sometimes ribbed fruit.

References

  1. "Eucalyptus oxymitra". Australian Plant Census. Retrieved 24 November 2019.
  2. 1 2 3 "Eucalyptus oxymitra". FloraBase . Western Australian Government Department of Parks and Wildlife.
  3. "Eucalyptus oxymitra". Euclid: Centre for Australian National Biodiversity Research. Retrieved 31 May 2020.
  4. 1 2 Chippendale, George M. "Eucalyptus oxymitra". Australian Biological Resources Study, Department of the Environment and Energy, Canberra. Retrieved 24 November 2019.
  5. "Eucalyptus oxymitra". APNI. Retrieved 24 November 2019.
  6. Blakely, William (1936). "Descriptions of three new species and one variety of Eucalyptus of the Elder and Horn Expeditions, the "white-wash gum" of Central Australia, and the re-discovery of Eucalyptus orbifolia F.v.M." Journal and Proceedings of the Royal Society of South Australia. 60: 155–156. Retrieved 24 November 2019.
  7. Francis Aubie Sharr (2019). Western Australian Plant Names and their Meanings. Kardinya, Western Australia: Four Gables Press. p. 268. ISBN   9780958034180.