Eucalyptus gardneri

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Blue mallet
Eucalyptus gardneri habit.jpg
Eucalyptus gardneri near Boxwood Hill
Scientific classification Red Pencil Icon.png
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Myrtales
Family: Myrtaceae
Genus: Eucalyptus
Species:
E. gardneri
Binomial name
Eucalyptus gardneri

Eucalyptus gardneri, commonly known as blue mallet, [2] or woacal, [3] is a species of mallet with flower buds in groups of between seven and eleven, creamy yellow or pale lemon-coloured flowers and cylindrical to barrel-shaped fruit.

Contents

buds and flowers Eucalyptus gardneri flowers.jpg
buds and flowers
fruit Eucalyptus gardneri fruit.jpg
fruit

Description

Eucalyptus gardneri is a mallet that typically grows to a height of 5–15 m (16–49 ft) but does not form a lignotuber. It has smooth grey to salmon-pink bark that is shed in short flakes. The adult leaves are lance-shaped, the same dull grey-green or yellow-green colour on both sides, 50–110 mm (2.0–4.3 in) long and 8–22 mm (0.31–0.87 in) wide on a petiole 8–18 mm (0.31–0.71 in) long. The flower buds are born in leaf axils in groups of seven, nine or eleven on an unbranched peduncle 10–18 mm (0.39–0.71 in) long, the individual buds on pedicels 3–4 mm (0.12–0.16 in) long. Mature buds are long spindle-shaped, 19–26 mm (0.75–1.02 in) long and 2–4 mm (0.079–0.157 in) wide with a horn-shaped operculum that is three to four times a long as the floral cup. Flowering occurs from February to September or December and the flowers are creamy yellow or pale lemon-coloured. The fruit is a woody cylindrical to barrel-shaped capsule 7–11 mm (0.28–0.43 in) long and 5–6 mm (0.20–0.24 in) wide with the valves near rim level. [2] [4] [5] [6] [7]

Taxonomy and naming

Eucalyptus gardneri was first formally described by the botanist Joseph Maiden in 1924 in his book A Critical Revision of the Genus Eucalyptus. [8] [9] The species is named in honour of Charles Austin Gardner who collected the type specimen in 1922 from near Bendering along the railway line that runs between Narrogin and Narembeen. [9] Noongar people know the species as woacal. [3]

In 1991, Ian Brooker and Stephen Hopper described two subspecies and the names have been accepted by the Australian Plant Census: [5]

Distribution and habitat

Blue mallet is found on breakaways, rocky ridges and slopes in the southern Wheatbelt region of Western Australia where it grows in gravelly lateritic soils. [2]

Eucalyptus gardneri commonly occurs with E. argyphea E. phaenophylla in woodland communities making up the overstorey. Associated species in the understorey include Melaleuca uncinata , Hakea multilineata , Phebalium tuberculosum , Allocasuarina acutivalvis , Beyeria brevifolia and Trymalium elachophyllum . [6]

Conservation status

Both subspecies of E. gardneri are classified as "not threatened" by the Western Australian Government Department of Parks and Wildlife. [2]

Cultivation

The tree is sold commercially in seed form or as tube stock for use as an ornamental or shade tree in gardens or for erosion control or in water logged areas. It will grow in full sun, is drought tolerant and attracts birds. [14]

See also

Related Research Articles

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

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

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

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

Eucalyptus capillosa, commonly known as wheatbelt wandoo, or mallee wandoo, is a species of tree or mallee that is endemic to Western Australia. It has smooth, grey bark, lance-shaped to elliptic adult leaves, spindle-shaped flower buds in groups of nine to thirteen, white flowers and barrel-shaped to cylindrical fruit.

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

Eucalyptus georgei, commonly known as Hyden blue gum, is a species of tree or mallet that is endemic to Western Australia. It has smooth bark, glossy green, lance-shaped adult leaves, glaucous flower buds in groups of between seven and eleven, creamy white flowers and conical to cup-shaped fruit.

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

Eucalyptus kessellii, commonly known as Jerdacuttup mallee, is a species of mallee that is endemic to an area along the south coast of Western Australia. It has very hard, rough bark on the trunk of larger specimens, smooth greyish and brownish bark above, lance-shaped to egg-shaped adult leaves, flower buds in groups of three or seven, creamy white flowers and downturned, conical to cup-shaped fruit.

Eucalyptus mimica is a species of mallet that is endemic to a small area of Western Australia. It has smooth, shiny bark, linear to narrow elliptical leaves held erect, flower buds in groups of three and conical fruit with ribbed sides.

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

Eucalyptus phaenophylla, also known as common southern mallee, is a species of mallee that is endemic to Western Australia. It has smooth bark, linear to narrow lance-shaped or narrow elliptical adult leaves, flower buds in groups of up to thirteen, pale lemon-coloured flowers and barrel-shaped, cylindrical or conical fruit.

Eucalyptus pluricaulis, commonly known as the purple-leaved mallee, is a species of mallee that is endemic to Western Australia. It has smooth bark, dull bluish green, lance-shaped leaves, flower buds in groups of between nine and fifteen, pale yellow flowers and cylindrical to barrel-shaped 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.

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

Eucalyptus scyphocalyx, commonly known as goblet mallee, is a species of mallee that is endemic to southern areas of Western Australia. It has smooth bark, lance-shaped adult leaves, flower buds in groups of three or seven, creamy white flowers and cup-shaped to cylindrical fruit.

Eucalyptus subangusta is a species of tree, mallee or mallet that is endemic to the southwest of Western Australia. It has smooth bark, narrow lance-shaped leaves, flower buds in groups of up to nineteen, white flowers and cup-shaped to barrel-shaped fruit.

Eucalyptus varia is a species of mallee that is endemic to an area near the south coast of Western Australia. It has smooth bark, narrow lance-shaped adult leaves, flower buds in groups of nine or eleven, yellow flowers and barrel-shaped to cylindrical fruit.

Eucalyptus xanthonema, commonly known as yellow-flowered mallee, is a species of mallee that is endemic to the south west of Western Australia. It has smooth bark, linear adult leaves, flower buds in groups of up to eleven, white to pale lemon-coloured flowers and barrel-shaped fruit.

<i>Eucalyptus crucis</i> Species of grass

Eucalyptus crucis is a species of mallee that is endemic to Western Australia. There are three subspecies, commonly known as silver mallee or Southern Cross mallee,, narrow-leaved silver mallee, and Paynes Find mallee,. It has rough bark that is shed in curling flakes, more or less round, glaucous juvenile leaves, egg-shaped intermediate leaves and lance-shaped adult leaves. The type of bark and the proportion of juvenile, intermediate and adult leaves in the crown of mature plants varies with subspecies. The flower buds are arranged in groups of seven in leaf axils, the flowers are whitish to pale yellow and the fruit is a conical to hemispherical capsule.

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

Eucalyptus densa is a species of mallee or mallet that is endemic to Western Australia. It has smooth greyish bark that is shed in curly strips, linear to narrow lance-shaped adult leaves, long, spindle-shaped flower buds in groups of seven or nine, pale yellow or lemon-coloured flowers and conical, cylindrical or barrel-shaped fruit.

References

  1. ↑ "Eucalyptus gardneri". Australian Plant Census. Retrieved 11 July 2019.
  2. 1 2 3 4 "Eucalyptus gardneri". FloraBase . Western Australian Government Department of Parks and Wildlife.
  3. 1 2 "Noongar names for plants". kippleonline.net. Archived from the original on 20 November 2016. Retrieved 11 July 2019.
  4. ↑ "Eucalyptus gardneri subsp. gardneri". Euclid: Centre for Australian National Biodiversity Research. Retrieved 2 June 2020.
  5. 1 2 3 Brooker, M. Ian H.; Hopper, Stephen (1991). "A taxonomic revision of Eucalyptus wandoo, E. redunca, and allied species (Eucalyptus series Levispermae Maiden - Myrtaceae) in Western Australia". Nuytsia. 8 (1): 143–149. Retrieved 11 July 2019.
  6. 1 2 "Eucalyptus gardneri (blue mallet) woodland". Department of Environment and Conservation. Retrieved 11 July 2019.
  7. ↑ Chippendale, George M. "Eucalyptus gardneri". Australian Biological Resources Study, Department of the Environment and Energy, Canberra. Retrieved 11 July 2019.
  8. ↑ "Eucalyptus gardneri". APNI. Retrieved 11 July 2019.
  9. 1 2 Maiden, Joseph (1924). A Critical revision of the genus Eucalyptus. Sydney: The Government of the State of New South Wales. pp. 53–54. Retrieved 11 July 2019.
  10. ↑ "Eucalyptus gardneri subsp. gardneri". Australian Plant Census. Retrieved 11 July 2019.
  11. ↑ "Eucalyptus gardneri subsp. gardneri". FloraBase . Western Australian Government Department of Parks and Wildlife.
  12. ↑ "Eucalyptus gardneri subsp. ravensthorpensis". Australian Plant Census. Retrieved 11 July 2019.
  13. ↑ "Eucalyptus gardneri subsp. ravensthorpensis". FloraBase . Western Australian Government Department of Parks and Wildlife.
  14. ↑ "Eucalyptus gardneri Blue Mallet Tube Stock". The Native Shop. Retrieved 5 December 2017.
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