Eucalyptus taurina

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Helidon ironbark
Scientific classification Red Pencil Icon.png
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Myrtales
Family: Myrtaceae
Genus: Eucalyptus
Species:
E. taurina
Binomial name
Eucalyptus taurina

Eucalyptus taurina, commonly known as the Helidon ironbark, [2] 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.

Contents

Description

Eucalyptus taurina is a tree that typically grows to a height of 22 m (72 ft) and forms a lignotuber. It has rough, dark grey to black ironbark on the trunk, sometimes also the larger branches, and smooth bark above. Young plants and coppice regrowth have stems that are square in cross-section and lance shaped leaves that are much paler on the lower surface, 80–140 mm (3.1–5.5 in) long and 14–30 mm (0.55–1.18 in) wide. Adult leaves are lance-shaped, 75–150 mm (3.0–5.9 in) long and 15–30 mm (0.59–1.18 in) wide, tapering to a petiole 10–25 mm (0.39–0.98 in) long. The flower buds are arranged in the ends of branchlets in groups of seven on a branching peduncle 4–7 mm (0.16–0.28 in) long, the individual buds sessile or on pedicels up to 5 mm (0.20 in) long. Mature buds are oval to spindle-shaped or cylindrical, 6–8 mm (0.24–0.31 in) long and 3–4 mm (0.12–0.16 in) wide with a conical to rounded operculum. Flowering has been observed in October and November and the flowers are white. The fruit is a woody conical to hemispherical capsule 5–7 mm (0.20–0.28 in) long and wide with the valves protruding. [2] [3] [4]

Taxonomy and naming

Eucalyptus taurina was first described in 1994 by Anthony Bean and Ian Brooker in the journal Austrobaileya from specimens they collected near Helidon in 1990. [3] [5] The specific epithet (taurina) is from the Latin word taurinus meaning "of bulls", an allusion to the author's experience when first seeing this species. [3]

Distribution

The Helidon ironbark is found in two separate areas, one north of Helidon and the other near Crows Nest. It grows with other eucalypt species on ridges in shallow soil. [3]

See also

Related Research Articles

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

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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.

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

Eucalyptus beaniana , commonly known as the Bean's ironbark, is a small tree that is endemic to Queensland. It has rough, furrowed "ironbark" on the trunk and branches, dull green to bluish, lance-shaped to curved adult leaves, flower buds in groups of seven, white flowers and cup-shaped to conical fruit. It is only known from four locations in southern inland Queensland.

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 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 helidonica</i> Species of eucalyptus

Eucalyptus helidonica is a species of tree that is endemic to an area near Helidon in Queensland. It has rough, finely fibrous bark, lance-shaped or curved adult leaves that are paler on the lower surface, flower buds in groups of eleven or more, white flowers and shortened spherical or 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 quadricostata</i> Species of eucalyptus

Eucalyptus quadricostata, commonly known as the square-fruited ironbark, 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.

<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 tardecidens is a species of mallee or small tree that is endemic to north Queensland. It has rough, fibrous or flaky bark on the trunk and branches, lance-shaped adult leaves, flower buds in groups of seven, white flowers and shortened oval to cylindrical fruit.

Eucalyptus terrica is a species of small tree that is endemic to south-eastern Queensland. It has thin, rough, fibrous bark on the trunk and larger branches, smooth bark above, lance-shaped adult leaves, flower buds in groups of seven, white flowers and 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.

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

Eucalyptus virens, commonly known as the shiny-leaved ironbark, is a species of small to medium-sized tree that is endemic to Queensland. It has hard ironbark on the trunk and branches, narrow lance-shaped adult leaves, flower buds in groups of seven, white flowers and hemispherical 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.

References

  1. ↑ "Eucalyptus taurina". Australian Plant Census. Retrieved 5 January 2020.
  2. 1 2 "Eucalyptus taurnia". Euclid:Centre for Australian National Biodiversity Research. Retrieved 28 May 2020.
  3. 1 2 3 4 Bean, Anthony R.; Brooker, M. Ian H. (1994). "Four new species of ironbark )Eucal\yptus L'Hér., Myrtaceae) from southern Queensland". Austrobaileya. 4 (2): 189–191. JSTOR   41738851.
  4. ↑ "Helidon ironbark - Eucalyptus taurina". The State of Queensland (Department of Environment and Science) 2019. Retrieved 5 January 2020.
  5. ↑ "Eucalyptus taurina". APNI. Retrieved 5 January 2020.
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