Eucalyptus williamsiana

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Large-leaved stringybark
Eucalyptus williamsiana.jpg
Eucalyptus williamsiana in the Gibraltar Range National Park
Scientific classification Red Pencil Icon.png
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Myrtales
Family: Myrtaceae
Genus: Eucalyptus
Species:
E. williamsiana
Binomial name
Eucalyptus williamsiana

Eucalyptus williamsiana, commonly known as the large-leaved stringybark, [2] is a species of small to medium-sized tree that is endemic to northern New South Wales. It has rough, stringy bark on the trunk and branches, broadly lance-shaped adult leaves, flower buds in groups of seven, white flowers and hemispherical fruit.

Contents

Description

Eucalyptus williamsiana is a tree that typically grows to a height of 20 m (66 ft) but often less, and forms a lignotuber. Young plants and coppice regrowth have thick, egg-shaped to elliptical leaves that are 60–125 mm (2.4–4.9 in) long and 30–75 mm (1.2–3.0 in) wide. Adult leaves are the same shade of glossy green on both sides, broadly lance-shaped to curved, 90–180 mm (3.5–7.1 in) long and 20–50 mm (0.79–1.97 in) wide on a petiole 15–27 mm (0.59–1.06 in) long. The flower buds are arranged in leaf axils in groups of seven on an unbranched peduncle 5–10 mm (0.20–0.39 in) long, the individual buds sessile or on pedicels up to 2 mm (0.079 in) long. Mature buds are oval to spindle-shaped, 7–10 mm (0.28–0.39 in) long and 5–6 mm (0.20–0.24 in) wide with a conical operculum. Flowering has been recorded from January to February and the flowers are white. The fruit is a woody hemispherical capsule 5–8 mm (0.20–0.31 in) long and 10–15 mm (0.39–0.59 in) wide with the valves near rim level. [2] [3] [4]

Taxonomy and naming

Eucalyptus williamsiana was first formally described in 1990 by Lawrie Johnson and Ken Hill from specimens collected near the western edge of the Gibraltar Range National Park in 1985. [4] [5] The specific epithet (williamsiana) honours "J.B." Williams for his contribution to knowledge of the flora of the New England region. [4]

Distribution and habitat

The large-leaved stringybark grows in woodland on the eastern side of the Northern Tablelands between Wallangarra in southern Queensland and Niangala in New South Wales. There is also a weakly naturalised population near Googong on the Southern Tablelands. [2] [3]

Related Research Articles

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

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

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

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<i>Corymbia henryi</i> Species of plant

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

Eucalyptus sparsifolia, commonly known as the narrow-leaved stringybark, is a tree endemic to New South Wales. It has grey to reddish brown, stringy bark, glossy green lance-shaped leaves, spindle-shaped flower buds and more or less spherical fruit.

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

Eucalyptus tenella, commonly known as narrow-leaved stringybark, is a species of small to medium-sized tree that is endemic to New South Wales. It has stringy bark, narrow lance-shaped to linear leaves, flower buds in group of seven to fifteen, white flowers and hemispherical fruit.

Eucalyptus × conjuncta is a species of flowering plant that is endemic to a small area of New South Wales. It is a tree with rough stringy bark, lance-shaped adult leaves, flower buds in groups of eleven or more, white flowers and cup-shaped or hemispherical fruit. It is considered to be a stabilised hybrid between E. eugenioides and E. sparsifolia.

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

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

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

Eucalyptus bensonii, commonly known as Benson's stringybark, is a small tree or mallee that is endemic to New South Wales. It has rough grey or brown stringy bark on the trunk and larger branches, smooth bark on the thinnest branches, broadly lance-shaped to egg-shaped adult leaves, flower buds arranged in groups of seven, nine or eleven, white flowers and cup-shaped or hemispherical fruit in clusters.

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

Eucalyptus boliviana, commonly known as Bolivia Hill stringybark or Bolivia stringybark is a shrub or a mallee, sometimes a small tree and is endemic to a small area in northern New South Wales. It is a stringybark with four-sides stems, broadly lance-shaped adult leaves, flower buds arranged in groups of seven, yellow flowers and hemispherical to broadly funnel-shaped fruit.

Eucalyptus interstans is a species of small to medium-sized tree endemic to New South Wales and Queensland. It has smooth white or greyish bark, lance-shaped or curved adult leaves, flower buds in groups of between seven and eleven, white flowers and cup-shaped to hemispherical fruit.

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

Eucalyptus nobilis, commonly known as ribbon gum or giant white gum, is a species of medium to tall tree that is native to northern New South Wales and south-east Queensland. It has a long, straight trunk with smooth, greyish bark that is shed in long ribbons, lance-shaped or curved adult leaves, flower buds in groups of seven, white flowers and cup-shaped or hemispherical fruit.

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

Eucalyptus pachycalyx, commonly known as the shiny-barked gum, is a species of tree that is endemic to north-eastern Australia. It has smooth, pale grey, mottled bark, lance-shaped or curved adult leaves, white flowers and cup-shaped or hemispherical fruit.

Eucalyptus retinens, commonly known as Hillgrove box, is a species of tree that is endemic to the Northern Tablelands of New South Wales. It has rough, fibrous or flaky bark on the trunk and larger branches, smooth bark on the thinner branches, lance-shaped adult leaves, flower buds in groups of seven, white flowers and cup-shaped, cylindrical or hemispherical fruit.

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

Eucalyptus camfieldii, commonly known as Camfield's stringybark or heart-leaved stringybark, is a species of mallee or small tree that is endemic to New South Wales. It has rough, fibrous and stringy bark, broadly lance-shaped adult leaves, flower buds in groups of about eleven, white flowers and flattened hemispherical fruit. It grows in poor, sandy soil in the Sydney region.

Eucalyptus atrata, commonly known as the Herberton ironbark or blue-leaved ironbark, is a small tree that is endemic to Queensland. It has hard, black "ironbark" on the trunk and all but the thinnest branches, lance-shaped adult leaves, buds usually arranged in groups of seven, white flowers and cup-shaped to hemispherical fruit. It is characterised by the blue-grey, powdery bloom on its leaves and flower buds.

Eucalyptus imitans, commonly known as the Illawarra stringybark, is a species of small tree that is endemic to New South Wales. It has rough, stringy, greyish bark on the trunk and larger branches, lance-shaped, elliptic to egg-shaped or curved adult leaves, flower buds in groups of between nine and fifteen, white flowers and hemispherical fruit. It is found on near-coastal tablelands inland from the south coast.

References

  1. "Eucalyptus williamsiana". Australian Plant Census. Retrieved 27 November 2019.
  2. 1 2 3 "Eucalyptus williamsiana". Euclid: Centre for Australian National Biodiversity Research. Retrieved 27 May 2020.
  3. 1 2 Hill, Ken. "Eucalyptus williamsiana". Royal Botanic Garden Sydney. Retrieved 21 January 2020.
  4. 1 2 3 Johnson, Lawrence; Hill, Kenneth (26 September 1990). "New taxa and combinations in Eucalyptus and Angophora (Myrtaceae)". Telopea. 4 (1): 87–89. doi: 10.7751/telopea19904916 .
  5. "Eucalyptus williamsiana". APNI. Retrieved 21 January 2020.