Eucalyptus argillacea

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Mount House box
Eucalyptus argillacea habit.jpg
Eucalyptus argillacea near Mount Barnett Station
Scientific classification Red Pencil Icon.png
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Myrtales
Family: Myrtaceae
Genus: Eucalyptus
Species:
E. argillacea
Binomial name
Eucalyptus argillacea

Eucalyptus argillacea, commonly known as Mount House box, [3] or northern grey box [4] is a tree that is endemic to northern Australia. It has rough, fibrous bark, lance-shaped adult leaves, flower buds usually in groups of seven, creamy white flowers and conical fruit.

Contents

bark Eucalyptus argillacea bark.jpg
bark
flower buds Eucalyptus argillacea buds.jpg
flower buds

Description

Eucalyptus argillacea is a tree that typically grows to a height of 4 to 14 metres (13 to 46 ft) with rough, grey, fibrous bark on its trunk and branches. The adult leaves are elliptic to lance-shaped or egg-shaped, light green to greyish green, 50–140 mm (2.0–5.5 in) long and 7–35 mm (0.3–1 in) wide on a petiole 5–23 mm (0.20–0.91 in) long. The flower buds are arranged in groups of between three and seven on a peduncle 3–15 mm (0.1–0.6 in) long, the individual buds on a pedicel 2–5 mm (0.08–0.2 in) long. The mature buds are pear-shaped, oval or spindle-shaped, 6–10 mm (0.24–0.39 in) long and 4–6 mm (0.2–0.2 in) wide with a conical to beaked operculum 2–3 mm (0.079–0.12 in) long and 3–4 mm (0.12–0.16 in) wide. Flowering occurs from April to July or from October to December and the flowers are creamy white. The fruit is a conical capsule, 6–10 mm (0.24–0.39 in) long and 4–6 mm (0.16–0.24 in) wide. [3] [5] [6]

This species is similar to other box-type eucalypts found in tropical areas including E. tectifica , E. distans and E. obconica . [7]

Taxonomy and naming

Eucalyptus argillacea was first formally described in 1918 by William Vincent Fitzgerald and the description was publish in Joseph Maiden's book A Critical Revision of the Genus Eucalyptus from specimens collected by Fitzgerald in 1905 from around the base of Mount House. [8] [9] The specific epithet (argillacea) is a Latin word meaning "clayey", [10] referring to the soil at the type location. [5]

Distribution and habitat

Mount House box is found along watercourses and on plains where it grows in alluvium and heavy clay soils. Populations are found in the Kimberley region of Western Australia, the Northern Territory and northern Queensland. [3]

See also

Related Research Articles

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

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

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

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

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

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

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

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

Eucalyptus howittiana, commonly known as Howitt's box, is a species of tree that is endemic to a small area of Queensland. It has rough, fibrous and flaky bark on the trunk and branches, lance-shaped or egg-shaped adult leaves, flower buds in groups of between seven and eleven, creamy white flowers and shortened spherical to barrel-shaped fruit.

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

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References

  1. Fensham, R., Collingwood, T. & Laffineur, B. 2019. Eucalyptus argillacea. The IUCN Red List of Threatened Species 2019: e.T133377919A133377921. https://dx.doi.org/10.2305/IUCN.UK.2019-3.RLTS.T133377919A133377921.en. Downloaded on 20 September 2021.
  2. "Eucalyptus argillacea". Australian Plant Census. Retrieved 5 March 2019.
  3. 1 2 3 "Eucalyptus argillacea". FloraBase . Western Australian Government Department of Parks and Wildlife.
  4. "Eucalyptus argillacea Northern Grey Box". Nindethana. Retrieved 17 June 2017.
  5. 1 2 "Eucalyptus argillacea". Euclid: Centre for Australian National Biodiversity Research. Retrieved 5 March 2019.
  6. Chippendale, George McCartney. "Eucalyptus argillacea". Australian Biological Resources Study, Department of the Environment and Energy, Canberra. Retrieved 5 March 2019.
  7. "Eucalyptus tectifica F.Muell". NT Flora. Northern Territory Government . Retrieved 17 June 2016.
  8. "Eucalyptus argillacea". APNI. Retrieved 5 March 2019.
  9. Maiden, Joseph (1918). A critical revision of the genus Eucalyptus (Volume 4). Sydney: Government Printer. pp. 132–133. Retrieved 5 March 2019.
  10. Brown, Roland Wilbur (1956). The Composition of Scientific Words. Washington, D.C.: Smithsonian Institution Press. p. 100.