Eucalyptus morrisii

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Grey mallee
Eucalyptus morrisii.jpg
Eucalyptus morrisii near Girilambone
Scientific classification Red Pencil Icon.png
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Myrtales
Family: Myrtaceae
Genus: Eucalyptus
Species:
E. morrisii
Binomial name
Eucalyptus morrisii

Eucalyptus morrisii, commonly known as grey mallee, [2] is a species of mallee or straggly tree that is endemic to western New South Wales. It has rough, fibrous or flaky bark on some or all of the trunk, smooth greyish bark above, lance-shaped adult leaves, flower buds usually in groups of three, white flowers and conical or hemispherical fruit. [3]

Contents

Description

Eucalyptus morrisii is a mallee, sometimes a straggly tree, that typically grows to a height of 4–10 m (13–33 ft) and forms a lignotuber. It has rough, fibrous or flaky, sometimes compacted, dark grey bark on part or all of the trunk, smooth greyish bark above. Young plants and coppice regrowth have linear to narrow lance-shaped leaves that are dull green, 60–150 mm (2.4–5.9 in) long and 5–20 mm (0.20–0.79 in) wide on a short petiole. Adult leaves are lance-shaped, the same shade of dull, greyish green on both sides, 55–145 mm (2.2–5.7 in) long and 8–21 mm (0.31–0.83 in) wide on a petiole 7–20 mm (0.28–0.79 in) long. The flower buds are arranged in leaf axils, usually in groups of three, on a peduncle 5–13 mm (0.20–0.51 in) long, the individual buds on pedicels 2–3 mm (0.079–0.118 in) long. Mature buds are oval, yellow or cream-coloured, 8–9 mm (0.31–0.35 in) long and about 5 mm (0.20 in) wide with a conical operculum. Flowering occurs in December and the flowers are white. The fruit is a woody conical or hemispherical capsule 7–9 mm (0.28–0.35 in) long and 6–9 mm (0.24–0.35 in) wide with the valves protruding above the rim. [2] [4] [5]

Taxonomy and naming

Eucalyptus morrisii was first described in 1900 by Richard Thomas Baker in Proceedings of the Linnean Society of New South Wales from specimens collected "near Girilambone, on stony or rocky hills". It was first collected by William Baeuerlen, (previously known as Wilhelm Bäuerlen). [6] [7] [8] The specific epithet honours "R. N. Morris, LL.D., the present Superintendent of Technical Education in New South Wales, in acknowledgment of his co-operation in our work on the economies of the genus Eucalyptus". [7]

Distribution and habitat

Grey mallee is usually found in low mallee communities, growing on shallow soil on stony hills. It occurs in the area between Bourke, Nyngan and Cobar in central-western New South Wales. [2]

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

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

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

Eucalyptus cylindrocarpa, commonly known as the woodline mallee, is a species of mallee that is endemic to Western Australia. It has mostly smooth bark, sometimes with loose fibrous or flaky bark near the base of the trunk, linear to lance-shaped or curved adult leaves, flower buds in groups of seven, nine or eleven and cylindrical to barrel-shaped fruit.

Eucalyptus pleurocorys is a species of mallee, sometimes a tree, that is endemic to Western Australia. It has rough, flaky or fibrous bark on the lower part of the trunk, smooth bark above, lance-shaped or curved adult leaves, flower buds in groups of between seven and eleven and conical fruit.

Eucalyptus silvestris is a species of mallee or small tree that is endemic to Victoria, Australia. It has rough, fibrous or flaky bark on the trunk and larger branches, smooth greyish brown bark above, glossy green, lance-shaped leaves, flower buds usually in groups of seven, white flowers and conical to cup-shaped fruit.

References

  1. ↑ "Eucalyptus morrisii". Australian Plant Census. Retrieved 10 November 2019.
  2. 1 2 3 Chippendale, George M. "Eucalyptus morrisii". Australian Biological Resources Study, Department of the Environment and Energy, Canberra. Retrieved 10 November 2019.
  3. ↑ K.Hill. "New South Wales Flora Online: Eucalyptus morrisii". Royal Botanic Gardens & Domain Trust, Sydney, Australia.
  4. ↑ "Eucalyptus morrisii". Euclid: Centre for Australian National Biodiversity Research. Retrieved 31 May 2020.
  5. ↑ Hill, Ken. "Eucalyptus morrisii". Royal Botanic Garden Sydney. Retrieved 10 November 2019.
  6. ↑ "Eucalyptus morrisii". Australian Plant Name Index. Retrieved 10 November 2019.
  7. 1 2 Baker, Richard T. (1900). "On some new species of Eucalyptus". Proceedings of the Linnean Society of New South Wales. 25: 312–316. doi:10.5962/bhl.part.12156 . Retrieved 11 November 2019.
  8. ↑ "Baeuerlen, William (1840 - 1917)". Council of Heads of Australasian Herbaria Australian National Herbarium. Retrieved 11 November 2019.
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