Eucalyptus striaticalyx

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Cue York gum
Eucalyptus striaticalyx.jpg
Eucalyptus striaticalyx near Lake Annean
Scientific classification Red Pencil Icon.png
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Myrtales
Family: Myrtaceae
Genus: Eucalyptus
Species:
E. striaticalyx
Binomial name
Eucalyptus striaticalyx
flower buds Eucalyptus striaticalyx buds.jpg
flower buds

Eucalyptus striaticalyx, commonly known as Cue York gum or kopi gum, [2] is a species of tree or mallee that is endemic to Western Australia. It has thick, rough, fibrous bark on the trunk and larger branches, lance-shaped adult leaves, flower buds in groups of between seven and thirteen, creamy white flowers and conical to cup-shaped fruit.

Contents

Description

Eucalyptus striaticalyx is a tree or a mallee that typically grows to a height of 5–12 m (16–39 ft). It has persistent thick, rough fibrous, dark greyish bark over most of the trunk, smooth and creamy brown to pinkish bark above. Young plants have bluish green, egg-shaped to broadly lance-shaped leaves that are 55–110 mm (2.2–4.3 in) long and 25–40 mm (0.98–1.57 in) wide. Adult leaves are the same shade of dull grey-green to blue-green on both sides, lance-shaped, 70–175 mm (2.8–6.9 in) long and 7–25 mm (0.28–0.98 in) wide, the base tapering to a petiole 13–30 mm (0.51–1.18 in) long. The flower buds are arranged in leaf axils in groups of between seven and thirteen on an unbranched peduncle 5–15 mm (0.20–0.59 in) long, the individual buds on pedicels 3–8 mm (0.12–0.31 in) long. Mature buds are oval, 8–13 mm (0.31–0.51 in) long and 4–7 mm (0.16–0.28 in) wide with a beaked operculum about the same length as the floral cup. Flowering occurs in most months and the flowers are creamy white. [2] [3] [4] [5]

Taxonomy

Eucalyptus striaticalyx was first formally described in 1904 by the botanist William Vincent Fitzgerald in the Journal of the West Australian Natural History Society . [6] [7] The specific epithet is taken from the Latin words striatus meaning "striated" and calyx, in reference to the operculum. [3]

In 1997, Dean Nicolle described two subspecies of E. striaticalyx and the names have been accepted by the Australian Plant Census: [5]

The tree belongs in subgenus Symphyomyrtus section Dumaria to a large sub-group, series Rufispermae, composed of 37 described species and subspecies including E. kondininensis , E. gypsophila and E. repullulans . [3]

Distribution

Cue York gum is found on dunes near salt lakes, low hills and drainage lines and has a scattered distribution throughout the northern Goldfields-Esperance region of Western Australia from near Meekatharra to near Kalgoorlie, where it grows in powdery loam soils. [4] Subspecies delicata has a more restricted distribution around Lake Annean and Lake Austin. [5]

Conservation status

This eucalypt is classified as "not threatened" by the Western Australian Government Department of Parks and Wildlife. [4]

See also

Related Research Articles

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

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

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

Eucalyptus obtusiflora, commonly known as Dongara mallee, is a species of mallee that is endemic to Western Australia. It has smooth greyish or brownish bark that is often imperfectly shed, lance-shaped to curved adult leaves, flower buds usually in groups of seven or nine, creamy white flowers and cup-shaped, conical or barrel-shaped fruit.

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 repullulans, commonly known as chrysoprase mallee, is a species of mallee that is native to arid parts of Western Australia and the far north-west of South Australia. It has smooth bark, lance-shaped adult leaves, flower buds in groups of between seven and thirteen, cream-coloured flowers and cup-shaped, cylindrical or conical 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 percostata, commonly known as the rib-capped mallee or Devils peak mallee, is a species of mallee that is endemic to South Australia. It has smooth bark, lance-shaped adult leaves, flower buds in groups of seven, creamy white flowers and cup-shaped to conical fruit. It is only known from a few locations in the Flinders Ranges.

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

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

Eucalyptus diversifolia, commonly known as the soap mallee, coastal white mallee, South Australian coastal mallee, or coast gum is a species of mallee that is endemic to an area along the southern coast of Australia. It has smooth bark, lance-shaped adult leaves, flower buds in groups of between seven and eleven, white to creamy yellow flowers and cup-shaped fruit.

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

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Eucalyptus distuberosa is a species of mallet that is endemic to the south-west of Western Australia. It has smooth dark grey to tan-coloured or creamy white bark, glossy dark green, lance-shaped adult leaves, flower buds in groups of seven, white flowers and cup-shaped to conical fruit.

<i>Eucalyptus socialis <span style="font-style:normal;">subsp.</span> eucentrica</i> Subspecies of plant

Eucalyptus socialis subsp. eucentrica, commonly known as the inland red mallee, is a subspecies of mallee that is endemic to inland Australia. It usually has rough bark on the base of the trunk, smooth bark above, lance-shaped adult leaves, flower buds in groups of between seven and eleven, pale creamy yellow flowers and barrel-shaped to urn-shaped or spherical fruit.

<i>Eucalyptus socialis <span style="font-style:normal;">subsp.</span> socialis</i> Subspecies of plant

Eucalyptus socialis subsp. socialis, commonly known as the summer red mallee, is a subspecies of mallee that is endemic to inland south-eastern Australia. It usually has rough bark on the base of the trunk, smooth bark above, lance-shaped adult leaves, flower buds in groups of between seven and eleven, pale creamy white flowers and barrel-shaped to urn-shaped or spherical fruit.

<i>Eucalyptus socialis <span style="font-style:normal;">subsp.</span> victoriensis</i> Subspecies of plant

Eucalyptus socialis subsp. victoriensis, commonly known as the red mallee, is a subspecies of mallee that is endemic to southern inland Australia. It usually has rough bark on the base of the trunk, smooth bark above, lance-shaped adult leaves, flower buds in groups of between seven and eleven, pale creamy yellow flowers and barrel-shaped to urn-shaped or spherical fruit.

Eucalyptus socialis subsp. viridans, commonly known as the green-leaved red mallee, is a subspecies of mallee that is endemic to south-eastern Australia. It usually has rough bark on the base of the trunk, smooth bark above, lance-shaped adult leaves, flower buds in groups of between seven and eleven, pale creamy yellow flowers and barrel-shaped to urn-shaped or spherical fruit.

References

  1. ↑ "Eucalyptus striaticalyx". Australian Plant Census. Retrieved 31 December 2019.
  2. 1 2 Chippendale, George M. "Eucalyptus striaticalyx". Australian Biological Resources Study, Department of the Environment and Energy, Canberra. Retrieved 31 December 2019.
  3. 1 2 3 "Eucalyptus striaticalyx". Euclid. CSIRO . Retrieved 28 May 2020.
  4. 1 2 3 "Eucalyptus striaticalyx". FloraBase . Western Australian Government Department of Parks and Wildlife.
  5. 1 2 3 4 Nicolle, Dean (1997). "A taxonomic revision of the Eucalyptus striaticalyx group (Eucalyptus series Rufispermae: Myrtaceae)". Nuytsia. 11 (3): 369–373. Retrieved 31 December 2019.
  6. ↑ Fitzgerald, William Vincent (1904). "Additions to the West Australian Flora". Journal of the West Australian Natural History Society. 2 (1): 20–21. Retrieved 31 December 2019.
  7. ↑ "Eucalyptus striaticalyx". APNI. Retrieved 31 December 2019.
  8. ↑ "Eucalyptus striaticalyx subsp. delicata". Australian Plant Census. Retrieved 31 December 2019.
  9. ↑ "Eucalyptus striaticalyx subsp. striaticalyx". Australian Plant Census. Retrieved 31 December 2019.
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