Eucalyptus quadricostata

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Square-fruited ironbark
Eucalyptus quadricostata.jpg
Eucalyptus quadricostata
Scientific classification Red Pencil Icon.png
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Myrtales
Family: Myrtaceae
Genus: Eucalyptus
Species:
E. quadricostata
Binomial name
Eucalyptus quadricostata
bark Eucalyptus quadricostata bark.jpg
bark

Eucalyptus quadricostata, commonly known as the square-fruited ironbark, [2] is a species of small to medium-sized ironbark that is endemic to Queensland. It has rough ironbark on the trunk and branches, lance-shaped to curved adult leaves, flower buds in groups of seven, white flowers and cup-shaped fruit that are square in cross-section.

Contents

Description

Eucalyptus quadricostata is a tree that typically grows to a height of 10–14 m (33–46 ft) and forms a lignotuber. It has hard, rough, dark grey to black ironbark on the trunk and branches. Young plants and coppice regrowth have bluish grey to glaucous, egg-shaped to almost round leaves that are 70–120 mm (2.8–4.7 in) long and 35–70 mm (1.4–2.8 in) wide and petiolate. Adult leaves are the same shade of dull green on both sides, lance-shaped to curved, 80–180 mm (3.1–7.1 in) long and 12–36 mm (0.47–1.42 in) wide, tapering to a petiole 15–32 mm (0.59–1.26 in) long. The flower buds are arranged on the ends of branchlets in groups of seven on a branched peduncle 5–20 mm (0.20–0.79 in) long, the individual buds on pedicels 5–7 mm (0.20–0.28 in) long. Mature buds are club-shaped, square in cross-section with a rib on each corner, 8–12 mm (0.31–0.47 in) long and 4–6 mm (0.16–0.24 in) wide with a conical, rounded or pyramid-shaped operculum. Flowering has been recorded in January and July and the flowers are white. The fruit is a woody, cup-shaped capsule that is square in cross-section, 6–13 mm (0.24–0.51 in) long and 6–10 mm (0.24–0.39 in) wide with the valves near rim level. [2] [3] [4]

Taxonomy

Eucalyptus quadricostata was first formally described in 1985 by Ian Brooker in the journal Austrobaileya from material he collected near "Oakvale H.S.". [3] [5]

Conservation status

This eucalypt is classified as "least concern" under the Queensland Government Nature Conservation Act 1992 . [6]

See also

Related Research Articles

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

Eucalyptus crebra, commonly known as the narrow-leaved ironbark, narrow-leaved red ironbark or simply ironbark, and as muggago in the indigenous Dharawal language, is a species of small to medium-sized tree endemic to eastern Australia. It has hard, rough "ironbark" from its trunk to small branches, linear to lance-shaped adult leaves, flower buds in groups of seven, nine or eleven, white flowers and cup-shaped, barrel-shaped or hemispherical fruit. A variable species, it grows in woodland and forest from the Cape York Peninsula to near Sydney. It is an important source of nectar in the honey industry and its hard, strong timber is used in construction.

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

Eucalyptus fibrosa, commonly known as the red ironbark, broad-leaved red ironbark or broad-leaved red ironbark, is a species of medium-sized to tall tree endemic to eastern Australia. It has grey to black ironbark, lance-shaped to egg-shaped adult leaves, flower buds in groups of between seven and eleven, white flowers and conical fruit.

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

Eucalyptus fusiformis, commonly known as the grey ironbark or Nambucca ironbark is a tree that is endemic to eastern Australia. It has thick, blackish, "ironbark" on the trunk and branches, lance-shaped to curved adult leaves, flower buds in groups of seven, white flowers and conical to pear-shaped fruit.

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

Eucalyptus tetrapleura, commonly known as the square-fruited ironbark, is a species of small to medium-sized tree that is endemic to northern New South Wales. It has thick, dark ironbark on the trunk and branches, lance-shaped to curved adult leaves, flower buds in groups of seven, white flowers and conical fruit that is square in cross-section.

Corymbia bunites, commonly known as the Blackdown yellowjacket, is a species of tall tree that is endemic to Queensland. It has rough bark on the trunk and branches, lance-shaped or curved adult leaves, flower buds in groups of seven, white flowers and barrel-shaped, urn-shaped or spherical fruit.

Eucalyptus corynodes is a species of tree that is endemic to Queensland. It has hard, dark grey "ironbark", lance-shaped to curved adult leaves, flower buds usually on a branching inflorescence, the buds in groups of seven, white flowers and barrel-shaped to cup-shaped fruit.

Eucalyptus cullenii, commonly known as Cullen's ironbark, is a species of small to medium-sized tree that is endemic to Queensland. It has thick, rough, deeply furrowed "ironbark", lance-shaped adult leaves, green to yellow flower buds in groups of seven, white flowers and hemispherical fruit.

Eucalyptus decolor is a species of small to medium-sized tree that is endemic to Queensland. It has rough, hard, fissured "ironbark", lance-shaped to curved adult leaves that are distinctly paler on the lower surface, flower buds in groups of seven, white flowers and hemispherical to cup-shaped fruit.

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

Eucalyptus decorticans, commonly known as the gum-top ironbark, is a species of tree that is endemic to Queensland. It has rough, dark grey or black "ironbark" on the trunk and larger branches, smooth white bark on the thinner branches, lance-shaped to curved adult leaves, flower buds in groups of seven, white flowers and conical, cup-shaped or barrel-shaped fruit.

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

Eucalyptus granitica, commonly known as the granite ironbark, is a species of tree that is endemic to Queensland. It has dark grey or black "ironbark" on the trunk and branches, glossy green, lance-shaped to curved adult leaves, flower buds in groups of seven, white flowers and cup-shaped to barrel-shaped fruit.

Eucalyptus melanoleuca, commonly known as yarraman ironbark or nanango ironbark, is a species of tree that is endemic to south-east Queensland. It has rough ironbark on the trunk and larger branches, smooth bark above, lance-shaped adult leaves, flower buds in groups of seven, white flowers and barrel-shaped, to cup-shaped or conical fruit.

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

Eucalyptus rhombica is a small to medium-sized tree that is endemic to a small area of south-east Queensland. It has rough, ironbark on the trunk and larger branches, smooth bark above, lance-shaped adult leaves, flower buds in groups of seven, white flowers and cup-shaped or conical fruit.

Eucalyptus sicilifolia is a species of small ironbark tree that is endemic to Queensland. It has dark ironbark on the trunk and branches, narrow lance-shaped to curved adult leaves, flower buds in groups of seven, white flowers and cup-shaped to barrel-shaped fruit.

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

Eucalyptus sphaerocarpa, commonly known as the Blackdown stringybark, is a species of tall forest tree that is endemic to Queensland. It has rough, stringy bark on the trunk and branches, lance-shaped to curved adult leaves, flower buds in groups of seven, nine or eleven, white flowers and shortened spherical fruit.

Eucalyptus taurina, commonly known as the Helidon ironbark, is a species of medium-sized to tall ironbark that is endemic to Queensland. It has rough ironbark on the trunk and sometimes the larger branches, smooth bark above, lance-shaped adult leaves, flower buds in groups of seven, white flowers and conical to hemispherical fruit.

Eucalyptus tholiformis is a species of tree that is endemic to a small area in Queensland. It has rough, deeply furrowed iron bark on the trunk and larger branches, lance-shaped adult leaves, flower buds in groups of seven, white flowers and cup-shaped to funnel-shaped fruit.

Eucalyptus elegans is a species of tree that is endemic to eastern Australia. It has rough bark throughout, linear to narrow lance-shaped or curved adult leaves, flower buds arranged in groups of between three and seven, white flowers and cup-shaped fruit.

Eucalyptus erosa is a species of tree that is endemic to a small area of Queensland. It has rough, fibrous to stringy grey bark, lance-shaped to curved adult leaves, flower buds arranged in groups of between nine and thirteen, white flowers and cup-shaped to hemispherical fruit.

Eucalyptus megasepala is a species of medium-sized tree that is endemic to Far North Queensland and Cape York Peninsula. It has rough, fibrous or stringy bark from the trunk to the smaller branches, lance-shaped or curved adult leaves, flower buds in groups of three, white flowers and cup-shaped to cylindrical fruit.

Eucalyptus scopulorum is a species of small tree that is endemic to a small area of northern New South Wales. It has rough ironbark on the trunk and branches, lance-shaped adult leaves, flower buds in groups of seven, white flowers and barrel-shaped or conical fruit.

References

  1. ↑ "Eucalyptus quadricostata". Australian Plant Census. Retrieved 8 December 2019.
  2. 1 2 "Eucalyptus quadricostata". Euclid: Centre for Australian National Biodiversity Research. Retrieved 30 May 2020.
  3. 1 2 Brooker, M. Ian H. (1985). "The ironbarks allied to Eucalyptus crebra F.Muell. and the description of a new species, E. quadricostata, in the group". Austrobaileya. 2 (2): 150–152.
  4. ↑ Chippendale, George M. "Eucalyptus quadricostata". Australian Biological Resources Study, Department of the Environment and Energy, Canberra. Retrieved 8 December 2019.
  5. ↑ "Eucalyptus quadricostata". APNI. Retrieved 8 December 2019.
  6. ↑ "Eucalyptus quadricostata". WetlandInfo. Queensland Government . Retrieved 8 December 2019.
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