Eucalyptus curtisii

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Plunkett mallee
Eucalyptus curtisii.jpg
Eucalyptus curtisii in Maranoa Gardens
Scientific classification Red Pencil Icon.png
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Myrtales
Family: Myrtaceae
Genus: Eucalyptus
Species:
E. curtisii
Binomial name
Eucalyptus curtisii

Eucalyptus curtisii, commonly known as Plunkett mallee, [2] is a species of mallee or small tree that is endemic to south-east Queensland in Australia. It has smooth grey to silvery bark, lance-shaped, narrow elliptic or curved adult leaves, flower buds in groups of seven, white flowers and wrinkled, cup-shaped fruit.

Contents

Description

Eucalyptus curtisii is a slender mallee or small tree that typically grows to a height of 7–12 m (23–39 ft) and forms a lignotuber. It has smooth grey to silvery bark that is shed in short curly flakes. Young plants and coppice regrowth have linear to narrow lance-shaped leaves that are 30–62 mm (1.2–2.4 in) long and 3–6 mm (0.12–0.24 in) wide and a slightly darker shade of green on the upper surface. Adult leaves are lance-shaped, elliptic or curved, glossy green but much paler on the lower surface. They are 60–140 mm (2.4–5.5 in) long and 10–30 mm (0.39–1.18 in) wide on a petiole 7–18 mm (0.28–0.71 in) long. The flower buds are arranged in groups of seven on a branching inflorescence near the ends of the stems, each branch with groups of seven buds. The groups are on a peduncle 7–17 mm (0.28–0.67 in) long, the individual buds on a pedicel 2–5 mm (0.079–0.197 in) long. Mature buds are oval to pear-shaped, 5–8 mm (0.20–0.31 in) long and 4–7 mm (0.16–0.28 in) wide with a rounded operculum. Flowering occurs from September to December and the flowers are white to creamy white. The fruit is a woody cup-shaped, wrinkled capsule 5–11 mm (0.20–0.43 in) long and 6–11 mm (0.24–0.43 in) wide. [2] [3] [4] [5]

Taxonomy and naming

Eucalyptus curtisii was first formally described in 1931 by William Blakely and Cyril White from a specimen collected on sandstone hills "near Plunkett, [now Plunkett Conservation Park], about 33 mi (53 km) south-west of Brisbane". The description was publish in Proceedings of the Royal Society of Queensland . [6] [7] The specific epithet (curtisii) honours Densil Curtis, a farmer and naturalist, who collected the type specimens in 1923 and 1929. [3] [7]

Distribution and habitat

Plunkett mallee grows in shrubland and open forest in poorly drained sites between Beenleigh, Inglewood, Dalby, and Theodore in south-east Queensland . [2] [3]

Cultural references

Eucalyptus curtisii was adopted by Ipswich City Council as its floral emblem in 1996. [8]

See also

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References

  1. "Eucalyptus curtisii". Australian Plant Census. Retrieved 19 May 2019.
  2. 1 2 3 Chippendale, George M. "Eucalyptus curtisii". Australian Biological Resources Study, Department of the Environment and Energy, Canberra. Retrieved 19 May 2019.
  3. 1 2 3 "Eucalyptus curtisii". Euclid: Centre for Australian National Biodiversity Research. Retrieved 4 June 2020.
  4. "Plunkett mallee – Eucalyptus curtisii". Queensland Government Department of Environment and Science. Retrieved 19 May 2019.
  5. "Eucalyptus curtisii". Australian National Botanic Gardens. Retrieved 19 May 2019.
  6. "Eucalyptus curtisii". APNI. Retrieved 19 May 2019.
  7. 1 2 Blakely, William F. (1931). "Two Interesting Queensland Eucalypts". Proceedings of the Royal Society of Queensland. 42 (9): 82–84. Retrieved 19 May 2019.
  8. "Floral Emblem". Ipswich City Council. Archived from the original on 8 December 2006. Retrieved 18 March 2012.