Eucalyptus capillosa

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Wheatbelt wandoo
Eucalyptus capillosa subsp. capillosa habit.jpg
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Myrtales
Family: Myrtaceae
Genus: Eucalyptus
Species:
E. capillosa
Binomial name
Eucalyptus capillosa

Eucalyptus capillosa, commonly known as wheatbelt wandoo, [3] or mallee wandoo, [4] 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.

Contents

flower buds of subsp. capillosa Eucalyptus capillosa subsp. capillosa buds.jpg
flower buds of subsp. capillosa
fruit of subsp. capillosa Eucalyptus capillosa subsp. capillosa fruit.jpg
fruit of subsp. capillosa

Description

Eucalyptus capillosa is a tree or mallee that typically grows to a height of 12 metres (39 ft) and forms a lignotuber. It has smooth, sometimes powdery grey bark with pink or pale orange patches. The leaves on young plants are lance-shaped, glaucous, 40–85 mm (1.6–3.3 in) long and 20–45 mm (0.79–1.77 in) wide. Adult leaves are the same dull green on both sides, linear to elliptic, 70–125 millimetres (2.8–4.9 in) long and 10–22 millimetres (0.39–0.87 in) wide on a petiole 10–27 mm (0.39–1.06 in) long. The flowers buds are arranged in leaf axils in groups of nine, eleven or thirteen on a peduncle 6–18 mm (0.24–0.71 in) long, the individual flowers on pedicels 2–5 mm (0.079–0.197 in) long. The mature buds are spindle-shaped, 8–16 millimetres (0.31–0.63 in) long and 2–4 millimetres (0.08–0.16 in) wide with a conical operculum about twice as long as the floral cup and the same width at the join. The flowering period is from December to May and the flowers are white. The fruit is a conical to barrel-shaped capsule 6–8 millimetres (0.24–0.31 in) long and 4–6 millimetres (0.16–0.24 in) wide with the valves usually level with the rim. [3] [4] [5] [6]

Eucalyptus capillosa is a closely related and very similar to E. wandoo but differs in having hairy seedlings with more leaves arranged in opposite pairs, and adult leaves that are green rather than blue-green or glaucous. [5]

Taxonomy and naming

Eucalyptus capillosa was first formally described by the botanists Ian Brooker and Stephen Hopper in 1991 from a specimen near Merredin and the description was published in the journal Nuytsia . [7] The specific epithet (capillosa) is a Latin word meaning "hairy", [8] :390 referring to the hairy seedlings. [5]

Brooker and Hopper described two subspecies that have been accepted by the Australian Plant Census:

The name polyclada is derived from the Ancient Greek words polys meaning "many" [8] :623 and klados meaning "branch", "twig" or "stem", [8] :162 referring to the mallee habit of this subspecies. [5]

Distribution and habitat

Wheatbelt wandoo (subspecies capillosa) is found in the central and eastern wheatbelt where it grows in low, open heath, mainly east of Pithara, Kellerberrin, Western Australia and Corrigin. [5]

Mallee wandoo (subspecies polyclada) grows on gravelly slopes in tall mallee in the central wheatbelt from Pithara to near Hyden and Lake Grace. [5]

Eucalyptus capillosa often forms open woodlands with a diverse understorey. Other species found in the upper storey include E. salmonophloia and occasionally E. salubris , E. loxophleba subsp. loxophleba and E. transcontinentalis . [13]

Conservation status

This eucalypt is classified as "not threatened" by the Western Australian Government Department of Parks and Wildlife. [6]

See also

Related Research Articles

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

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

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<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 myriadena</i> Species of eucalyptus

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<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.

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

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

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

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 vegrandis, commonly known as the Ongerup mallee or Cranbrook mallee, is a species of mallee that is endemic to the south-west of Western Australia. It has smooth bark, linear to lance-shaped adult leaves, flower buds in groups of seven, creamy white flowers and cup-shaped or conical fruit.

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<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.

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

Eucalyptus alatissima is a mallee that is endemic to central parts of the Great Victoria Desert. It has rough bark on the lower part of its stems, smooth tan to cream-coloured bark on its upper parts, egg-shaped to lance-shaped leaves and buds in groups of three. The buds have a powdery covering and are prominently winged.

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

Eucalyptus canescens, commonly known as the Ooldea Range mallee or Beadell's mallee, depending on subspecies, is a species of mallee that is endemic to southern Australia. It has rough bark from the base of the trunk to the thicker branches, smooth bark on the thin branches, egg-shaped to lance-shaped adult leaves, flower buds in groups of between seven and eleven, creamy white flowers and smooth cup-shaped to conical, and sometimes ribbed fruit.

References

  1. Fensham, R.; Laffineur, B.; Collingwood, T. (2019). "Eucalyptus capillosa". IUCN Red List of Threatened Species . 2019: e.T133378412A133378414. doi: 10.2305/IUCN.UK.2019-3.RLTS.T133378412A133378414.en . Retrieved 28 September 2021.
  2. "Eucalyptus capillosa". Australian Plant Census. Retrieved 12 April 2019.
  3. 1 2 "Eucalyptus capillosa subsp. capillosa". Euclid: Centre for Australian National Biodiversity Research. Retrieved 4 June 2020.
  4. 1 2 "Eucalyptus capillosa subsp. polyclada". Euclid: Centre for Australian National Biodiversity Research. Retrieved 12 April 2019.
  5. 1 2 3 4 5 6 7 8 Brooker, M. Ian; Hopper, Stephen D. (1991). "A taxonomic revision of Eucalyptus wandoo, E. redunca, and allied species (Eucalyptus series Levispermae Maiden - Myrtaceae) in Western Australia". Nuytsia. 7 (3). Retrieved 13 April 2019.
  6. 1 2 "Eucalyptus capillosa". FloraBase . Western Australian Government Department of Biodiversity, Conservation and Attractions.
  7. "Eucalyptus capillosa". APNI. Retrieved 13 April 2019.
  8. 1 2 3 Brown, Roland Wilbur (1956). The Composition of Scientific Words. Washington, D.C.: Smithsonian Institution Press.
  9. "Eucalyptus capillosa subsp. capillosa". Australian Plant Census. Retrieved 12 April 2019.
  10. "Eucalyptus capillosa subsp. capillosa". FloraBase . Western Australian Government Department of Biodiversity, Conservation and Attractions.
  11. "Eucalyptus capillosa subsp. polyclada". Australian Plant Census. Retrieved 12 April 2019.
  12. "Eucalyptus capillosa subsp. polyclada". FloraBase . Western Australian Government Department of Biodiversity, Conservation and Attractions.
  13. "Eucalyptus capillosa (Wheatbelt wandoo) woodland". Department of Environment and Conservation. Retrieved 25 July 2017.