Eucalyptus ligulata

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Lucky Bay mallee
Eucalyptus ligulata buds.jpg
Eucalyptus ligulata flowers and buds
Scientific classification Red Pencil Icon.png
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Myrtales
Family: Myrtaceae
Genus: Eucalyptus
Species:
E. ligulata
Binomial name
Eucalyptus ligulata

Eucalyptus ligulata, commonly known as Lucky Bay mallee, [2] is a mallee that is native to a few small areas along the south coast of Western Australia. It has smooth bark on the trunk and branches, narrow lance-shaped leaves, flower buds in groups of between nine and thirteen, creamy white flowers and cup-shaped or barrel-shaped fruit with shallow ribs on the sides.

Contents

fruit Eucalyptus ligulata fruit.jpg
fruit

Description

Eucalyptus ligulata is a mallee that typically grows to a height of 3 to 4 metres (10 to 13 ft) and forms a lignotuber. It has smooth pale grey to greenish bark on the trunk and branches. Young plants and coppice regrowth have sessile, oblong to lance-shaped leaves that are arranged in opposite pairs, 60–100 mm (2.4–3.9 in) long and 20–45 mm (0.79–1.77 in) wide. Adult leaves are arranged alternately, slightly glossy green to bluish, narrow elliptic to narrow lance-shaped, 40–85 mm (1.6–3.3 in) long and 8–20 mm (0.31–0.79 in) wide, tapering to a petiole 5–20 mm (0.20–0.79 in) long. The flower buds are arranged in leaf axils in groups of between nine and thirteen on a peduncle 9–18 mm (0.35–0.71 in) long, the individual buds on pedicels 4–8 mm (0.16–0.31 in) long. Mature buds are oval to spindle-shaped, 10–14 mm (0.39–0.55 in) long and 4–5 mm (0.16–0.20 in) wide with a conical operculum equal in length to the floral cup. Flowering occurs from March or May to June or October and the flowers are creamy white. The fruit is a woody, cup-shaped or barrel-shaped capsule with shallow ribs along the sides and the valves enclosed below the level of the rim. [2] [3] [4] [5]

Taxonomy and naming

Eucalyptus ligulata was first formally described in 1974 by the botanist Ian Brooker from a specimen collected by Keith M. Allan near a beach in the Cape Le Grand National Park. The description was published in the journal Nuytsia . [5] [6] [7] The specific epithet (ligulata) is a Latin word meaning "strap-shaped". [8]

In 2002, Dean Nicolle described two subspecies and the names have been accepted by the Australian Plant Census: [9]

Distribution and habitat

Subspecies ligulata grows in sand over granite and near granite outcrops in Cape Le Grand National Park and Cape Arid National Park. Subspecies stirlingica grows in mallee shrubland in the Stirling Range National Park. [9]

Conservation status

Both subspecies of E. ligulata are classified as "Priority Four" by the Government of Western Australia Department of Parks and Wildlife, [12] [13] meaning that each is rare or near threatened. [14]

See also

Related Research Articles

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

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

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

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

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<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.

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.

References

  1. "Eucalyptus ligulata". Australian Plant Census. Retrieved 14 September 2019.
  2. 1 2 "Eucalyptus ligulata". FloraBase . Western Australian Government Department of Parks and Wildlife.
  3. "Eucalyptus ligulata subsp. ligulata". Euclid: Centre for Australian National Biodiversity Research. Retrieved 1 June 2020.
  4. Chippendale, George M. "Eucalyptus ligulata". Australian Biological Resources Study, Department of the Environment and Energy, Canberra. Retrieved 14 September 2019.
  5. 1 2 Brooker, M. Ian H. (1974). "Six new species of Eucalyptus from Western Australia". Nuytsia. 1 (4): 300–302. Retrieved 14 September 2019.
  6. "Eucalyptus ligulata". APNI. Retrieved 14 September 2019.
  7. "Australian Plant Collectors and Illustrators (A)". Council of Heads of Australasian Herbaria. Retrieved 14 September 2019.
  8. Francis Aubie Sharr (2019). Western Australian Plant Names and their Meanings. Kardinya, Western Australia: Four Gables Press. p. 240. ISBN   9780958034180.
  9. 1 2 Nicolle, Dean (2002). "A revision of Eucalyptus series Calcicolae (Myrtaceae) from the south coasst of Western Australia" (PDF). Nuytsia. 15 (1): 74–76. Retrieved 14 September 2019.
  10. "Eucalyptus ligulata subsp. ligulata". Australian Plant Census. Retrieved 14 September 2019.
  11. "Eucalyptus ligulata subsp. stirlingica". Australian Plant Census. Retrieved 14 September 2019.
  12. "Eucalyptus ligulata subsp. ligulata". FloraBase . Western Australian Government Department of Parks and Wildlife.
  13. "Eucalyptus ligulata subsp. stirlingica". FloraBase . Western Australian Government Department of Parks and Wildlife.
  14. "Conservation codes for Western Australian Flora and Fauna" (PDF). Government of Western Australia Department of Parks and Wildlife. Retrieved 14 September 2019.