Eucalyptus mckieana

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McKie's stringybark
Eucalyptus mckieana.jpg
Eucalyptus mckieana growing between Guyra and Inverell
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. mckieana
Binomial name
Eucalyptus mckieana

Eucalyptus mckieana, commonly known as McKie's stringybark, [2] is a species of tree that is endemic to New South Wales. It has rough, stringy bark on the trunk and branches, lance-shaped to curved adult leaves, flower buds in groups of between seven and eleven, white flowers and cup-shaped, barrel-shaped or hemispherical fruit.

Contents

flower buds Eucalyptus mckieana buds.jpg
flower buds
fruit Eucalyptus mckieana fruit.jpg
fruit

Description

Eucalyptus mckieana is a tree that typically grows to a height of 25–30 m (82–98 ft) and forms a lignotuber. It is usually straight-trunked with reddish brown stringy or fibrous bark on the trunk to the ends of the branches. Young plants and coppice regrowth have stems that are more or less square in cross-section, and leaves that are egg-shaped at first, later narrow lance-shaped, 30–70 mm (1.2–2.8 in) long and 3–13 mm (0.12–0.51 in) wide on a short petiole. Adult leaves are lance-shaped to curved, the same shade of glossy green on both sides, 60–115 mm (2.4–4.5 in) long and 10–22 mm (0.39–0.87 in) wide on a petiole 5–13 mm (0.20–0.51 in) long. The flower buds are arranged in groups of seven, nine or eleven in leaf axils on an unbranched peduncle 5–10 mm (0.20–0.39 in) long, the individual buds on pedicels 2–4 mm (0.079–0.157 in) long. Mature buds are oval to spindle-shaped, 5–6 mm (0.20–0.24 in) long and about 3 mm (0.12 in) wide with a conical operculum. Flowering has been recorded in April and July and the flowers are white. The fruit is a woody cup-shaped, barrel-shaped or hemispherical capsule 4–6 mm (0.16–0.24 in) long and 5–7 mm (0.20–0.28 in) wide with the valves near rim level. [2] [3] [4] [5]

Taxonomy and naming

Eucalyptus mckieana was first formally described in 1930 by William Blakely in Proceedings of the Linnean Society of New South Wales from specimens collected on the upper part of the Gwydir River. [6] [7] The specific epithet honours "Ernest Norman McKie, B.A., Presbyterian Minister at Guyra, N.S.W., who, by his intimate field and botanical knowledge of the New England Eucalypts, has helped in the elucidation of this and other species of this most economic genus." [7]

Distribution and habitat

McKie's stringybark grows in dry forest on low hills and gentle slopes on the drier western side of the New England Tableland between Torrington and Bendemeer. [4] [8]

Conservation status

This eucalypt is classified as "vulnerable" under the Australian Government Environment Protection and Biodiversity Conservation Act 1999 and the New South Wales Government Biodiversity Conservation Act 2016 . Although some populations are conserved in a national park and nature reserve, most occur on private property. The main threats to the species include land clearing, timber harvesting, firewood collection and road works. [5] [8]

See also

Related Research Articles

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

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Eucalyptus imitans, commonly known as the Illawarra stringybark, is a species of small tree that is endemic to New South Wales. It has rough, stringy, greyish bark on the trunk and larger branches, lance-shaped, elliptic to egg-shaped or curved adult leaves, flower buds in groups of between nine and fifteen, white flowers and hemispherical fruit. It is found on near-coastal tablelands inland from the south coast.

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

Eucalyptus sphaerocarpa, commonly known as the Blackdown stringybark, is a species of tall forest tree that is endemic to Queensland. It has rough, stringy bark on the trunk and branches, lance-shaped to curved adult leaves, flower buds in groups of seven, nine or eleven, white flowers and shortened spherical fruit.

References

  1. ↑ "Eucalyptus mckieana". Australian Plant Census. Retrieved 26 September 2019.
  2. 1 2 K.Hill. "New South Wales Flora Online: Eucalyptus mckieana". Royal Botanic Gardens & Domain Trust, Sydney, Australia.
  3. ↑ "Eucalyptus mckieana". Euclid: Centre for Australian National Biodiversity Research. Retrieved 1 June 2020.
  4. 1 2 Chippendale, George M. "Eucalyptus mckieana". Australian Biological Resources Study, Department of the Environment and Energy, Canberra. Retrieved 26 September 2019.
  5. 1 2 "Approved Conservation Advice for Eucalyptus mckieana (McKie's stringybark)" (PDF). Australian Government Department of the Environment. Retrieved 26 September 2019.
  6. ↑ "Eucalyptus mckieana". APNI. Retrieved 26 September 2019.
  7. 1 2 Blakely, William F. (1930). "Another new species of Eucalyptus from New England". Proceedings of the Linnean Society of New South Wales. 55 (5): 594–595. Retrieved 26 September 2019.
  8. 1 2 "McKie's stringybark - profile". New South Wales Government Office of Environment and Heritage. Retrieved 26 September 2019.
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