Eucalyptus quaerenda

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Eucalyptus quaerenda
Status DECF P3.svg
Priority Three — Poorly Known Taxa (DEC)
Scientific classification Red Pencil Icon.png
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Myrtales
Family: Myrtaceae
Genus: Eucalyptus
Species:
E. quaerenda
Binomial name
Eucalyptus quaerenda

Eucalyptus quaerenda is a species of mallee that is endemic to the southwest of Western Australia. It is an often rounded mallee with foliage reaching the ground and has smooth bark, linear adult leaves, flower buds in groups of seven, creamy white flowers and shallow, cup-shaped to flattened spherical fruit.

Contents

Description

Eucalyptus quaerenda is a mallee that typically grows to a height of 1–4 m (3 ft 3 in–13 ft 1 in) and forms a lignotuber. It often has a rounded shape with foliage reaching to the ground. Young plants and coppice regrowth have sessile leaves 45–80 mm (1.8–3.1 in) long and 3–6 mm (0.12–0.24 in) wide, those near the ground a duller green than the upper leaves. Adult leaves are the same shade of green on both sides, linear, 55–90 mm (2.2–3.5 in) long and 4–7 mm (0.16–0.28 in) wide, tapering to a petiole 2–5 mm (0.079–0.197 in) long. The flower buds are arranged in leaf axils on an unbranched peduncle 1–6 mm (0.039–0.236 in) long, the individual buds sessile or on pedicels up to 2 mm (0.079 in) long. Mature buds are oval, 4–6 mm (0.16–0.24 in) long and 3–4 mm (0.12–0.16 in) wide with a rounded or conical operculum. Flowering has been observed in September and the flowers are creamy white. The fruit is a woody, shallow cup-shaped to flattened spherical capsule 2–5 mm (0.079–0.197 in) long and 5–7 mm (0.20–0.28 in) wide with the valves near rim level. [2] [3] [4]

Taxonomy

This mallee was first formally described in 1992 by Lawrie Johnson and Ken Hill from a specimen collected near Lake Chinocup in 1986. They gave it the name Eucalyptus angustissima subsp. quaerenda and published the description in the journal Telopea . [4] [5] In 2004, Margaret Mary Byrne raised the subspecies to species status as E. quaerenda in the journal Nuytsia and the change has been accepted by the Australian Plant Census. [6] [7]

Distribution and habitat

This mallee is usually found on sandhills and flats and occurs near Lake Chinocup, Lake Altham, Lake King and the upper reaches of the Phillips River in the Esperance Plains, Jarrah Forest and Mallee biogeographic regions. [3] [7]

Conservation status

This eucalypt is only known from fewer than five populations and it is classified as "Priority Three" by the Western Australian Government Department of Parks and Wildlife, [3] [7] meaning that it is poorly known and known from only a few locations but is not under imminent threat. [8]

See also

Related Research Articles

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

Eucalyptus angustissima, or narrow-leaved mallee, is a small tree that is native to the south of Western Australia. Distribution is scattered in southern coastal and subcoastal areas. The tree is endemic to Western Australia.

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

Eucalyptus balladoniensis, commonly known as the Balladonia mallee, is a mallee that is endemic to an area in the south of Western Australia. It has rough bark on the lower half of its stems, smooth brownish bark above, lance-shaped leaves, flower buds in groups of seven, pale yellow flowers and hemispherical to more or less spherical fruit.

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

Eucalyptus effusa, commonly known as rough-barked gimlet, is a species of mallee or small tree that is endemic to Western Australia. It has thin, rough bark on the base of the trunk, smooth bark above, linear to narrow lance-shaped adult leaves, flower buds arranged in groups of seven, white flowers and cup-shaped to conical 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 obesa, commonly known as the Ninety Mile Tank mallee, is a species of mallee that is endemic to Western Australia. It has smooth, greyish to pale brown bark, usually lance-shaped adult leaves, flower buds in groups of between eleven and fifteen, creamy white flowers and shortened spherical to hemispherical fruit.

Eucalyptus perangusta, commonly known as fine-leaved mallee, is a species of mallee that is endemic to a small area on the south coast of Western Australia. It has smooth bark, glossy green, linear leaves, flower buds in groups of seven or nine, creamy white flowers and short, barrel-shaped fruit.

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

Eucalyptus petrensis, commonly known as limestone mallee, straggly mallee or koodjat, is a species of straggly mallee that is endemic to Western Australia. It has mostly smooth bark, lance-shaped adult leaves, flower buds in groups of between seven and thirteen, creamy white flowers and more or less spherical fruit.

<i>Eucalyptus pruinosa</i> Species of tree

Eucalyptus pruinosa, commonly known as silver box, silver leaf box, apple box or smoke tree, is a species of tree or a mallee that is endemic to northern Australia. The Jaminjung peoples know the tree as yarrirra or jarnbiny, the Jaru as wararn and the Wagiman as wararn. It has rough, fibrous to flaky bark on the trunk and branches, a crown composed of juvenile, glaucous, heart-shaped to broadly elliptical leaves arranged in opposite pairs, flower buds arranged in groups of seven on the ends of branches, creamy white to pale yellow flowers and cylindrical to conical 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.

Eucalyptus suggrandis is a species of mallee that is endemic to the southwest of Western Australia. It has smooth, shiny bark, linear to elliptical leaves, flower buds in groups of three or seven, creamy white flowers and cup-shaped to conical fruit.

Eucalyptus vegrandis, commonly known as the Ongerup 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.

Corymbia deserticola is a species of straggly tree, a mallee or a shrub that is native to Western Australia and the Northern Territory. It has rough, tessellated bark on the trunk and branches, mostly sessile, heart-shaped leaves arranged in opposite pairs, flower buds in groups of seven on each branch of a peduncle, creamy yellow flowers and urn-shaped to shortened spherical fruit.

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

Corymbia ferriticola, commonly known as the Pilbara ghost gum, is a species of tree or a mallee that is endemic to Western Australia. It has smooth bark, lance-shaped adult leaves, flower buds in groups of seven, creamy white flowers and shortened spherical to cylindrical fruit.

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

Eucalyptus conglobata, also known as the cong mallee or Port Lincoln mallee, is a species of eucalypt that is native to the south coast of Western Australia and South Australia. It is a mallee with smooth bark, lance-shaped adult leaves, flower buds in groups of seven, white flowers and clustered hemispherical fruit.

Eucalyptus delicata is a species of tree that is endemic to Western Australia. It has rough, fibrous to scaly bark on the trunk, smooth white to greyish bark above, linear to narrow lance-shaped adult leaves, flower buds in groups of between seven and eleven, creamy white flowers and more or less spherical to barrel-shaped fruit.

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

Eucalyptus terebra, commonly known as Balladonia gimlet, is a species of gimlet that is endemic to Western Australia. It has satiny or glossy bark on its fluted trunk, linear to narrow lance-shaped adult leaves, flower buds in groups of seven, yellowish flowers and conical to hemispherical fruit. It is one of the seven species of gimlet.

Eucalyptus × balanopelex is a mallee that is endemic to a small area of the south-west of Western Australia. It has smooth bark, broadly lance-shaped adult leaves, flower buds in groups of seven, creamy-white flowers and hemispherical fruit. It is thought to be a hybrid between E. kessellii subsp. eugnosta and E. semiglobosa.

Eucalyptus notactites, commonly known as southern limestone mallee, is a species of mallee that is endemic to the southwest of Western Australia. It has smooth, greyish bark, lance-shaped adult leaves, flower buds in groups of between eleven and fifteen, creamy white flowers and hemispherical fruit.

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

Eucalyptus semiglobosa is a species of mallee or small tree that is endemic to the south coast of Western Australia. It has smooth bark, broadly lance-shaped adult leaves, flower buds in groups of seven, creamy white flowers and ribbed or wrinkled, shortened spherical or hemispherical fruit.

<i>Eucalyptus socialis <span style="font-style:normal;">subsp.</span> eucentrica</i> Subspecies of plant

Eucalyptus socialis subsp. eucentrica, commonly known as the inland red mallee, is a subspecies of mallee that is endemic to inland Australia. It usually has rough bark on the base of the trunk, smooth bark above, lance-shaped adult leaves, flower buds in groups of between seven and eleven, pale creamy yellow flowers and barrel-shaped to urn-shaped or spherical fruit.

References

  1. "Eucalyptus quaerenda". Australian Plant Census. Retrieved 8 December 2019.
  2. "Eucalyptus quaerenda". Euclid: Centre for Australian National Biodiversity Research. Retrieved 30 May 2020.
  3. 1 2 3 "Eucalyptus quaerenda". FloraBase . Western Australian Government Department of Parks and Wildlife.
  4. 1 2 Johnson, Lawrence A.S.; Hill, Kenneth D. (1992). "Systematic studies in the eucalypts - 5. New taxa and combinations in Eucalyptus (Myrtaceae) in Western Australia and in South Australia". Telopea. 4 (4): 598–599.
  5. "Eucalyptus angustissima subsp. quaerenda". APNI. Retrieved 8 December 2019.
  6. "Eucalyptus quaerenda". APNI. Retrieved 8 December 2019.
  7. 1 2 3 Byrne, Margaret mary (2004). "Short communication: Recognition of Eucalyptus quaerenda (Myrtaceae) at specific rank" (PDF). Nuytsia. 15 (2): 321–323. Retrieved 8 December 2019.
  8. "Conservation codes for Western Australian Flora and Fauna" (PDF). Government of Western Australia Department of Parks and Wildlife. Retrieved 8 December 2019.

Category:Taxa named by Lawrence Alexander Sidney Johnson