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{{Short description|Species of eucalyptus}}
{{speciesbox
{{speciesbox
|name = Mount Le Grand mallee
|name = Mount Le Grand mallee
|image = Eucalyptus aquilina habit (cropped).jpg
|image =
|image_caption = ''Eucalyptus aquilina'' at [[Cape Le Grand National Park|Cape Le Grand]]
|image_caption =
|genus = Eucalyptus
|genus = Eucalyptus
|species = aquilina
|species = aquilina
| status_system = DECF
| status = NT
| status_system = IUCN3.1
| status = P4
| status_ref = <ref>{{cite iucn |author=Fensham, R. |author2=Laffineur, B. |author3=Collingwood, T. |year=2019 |title=''Eucalyptus aquilina'' |volume=2019 |page=e.T133377844A133377846 |doi=10.2305/IUCN.UK.2019-3.RLTS.T133377844A133377846.en |access-date=20 September 2021}}</ref>
|authority = [[Ian Brooker|Brooker]]
|authority = [[Ian Brooker|Brooker]]<ref name=APC>{{cite web|title=''Eucalyptus aquilina''|url= https://biodiversity.org.au/nsl/services/apc-format/display/95168|publisher=Australian Plant Census|access-date=2 March 2019}}</ref>
|}}
|}}


'''''Eucalyptus aquilina''''', or '''Mount Le Grand mallee''', is a small tree that is native to [[Western Australia]].<ref name=FloraBase>{{FloraBase|name= ''Eucalyptus aquilina'' |id= 5554}}</ref>
'''''Eucalyptus aquilina''''', commonly known as the '''Mount Le Grand mallee''',<ref name="FloraBase" /> is a [[Mallee (habit)|mallee]] that is [[Endemism|endemic]] to a small area in the [[Southwest Australia|south-west]] of [[Western Australia]]. It has smooth white and grey bark, lance-shaped, often curved leaves, top-shaped or diamond-shaped flower buds, white to cream-coloured flowers and cone-shaped fruit on a down-curved [[Peduncle (botany)|peduncle]].[[File:Eucalyptus aquilina buds.jpg|thumb|right|flower buds]][[File:Eucalyptus aquilina fruit.jpg|thumb|right|fruit]]


==Description==
The [[mallee (habit)|mallee]] tree typically grows to a height of {{convert|2|to|7|m|ft|0}} and as high as {{convert|10|m|ft|0|abbr=on}} and has smooth white-grey bark. It blooms between April and October producing white-cream flowers.<ref name=FloraBase/> It forms a [[lignotuber]]. The adult leaves alternate, glossy, concolorour and dark green in colour. The leaf blade is [[lanceolate]] in shape with a length of {{convert|7|to|13.5|cm|in|1}} long and a width of {{convert|1.2|to|2.5|cm|1|abbr=on}} with the base tapering to the petiole. The [[inflorescence]]s are axillary and single with peduncles that are broadly flattened and about {{convert|1.2|to|3.5|cm|1|abbr=on}} long and rigidly down-curved. The fruits that form are sessile and broadly obconical in shape with a width of {{convert|3.5|to|5|cm|1|abbr=on}} and are rarely slightly ribbed.<ref name=csi>{{cite web|url=https://www.anbg.gov.au/cpbr/cd-keys/Euclid/sample/html/AQUILI.htm|title=Cape Le Grand mallee - Eucalyptus aquilina Brooker, Nuytsia 1: 297 (1974)|accessdate=11 June 2017|work=Euclid|publisher=[[CSIRO]]}}</ref>
''Eucalyptus aquilina'' is a mallee that typically grows to a height of {{convert|2|to|7|m|ft|0}} and has smooth white bark mottled with grey and forms a [[lignotuber]]. The leaves on young plants and on [[coppice]] regrowth are lance-shaped to egg-shaped and a slightly different shade of green on the two sides. The adult leaves are arranged alternately, the same glossy dark green on both sides, lance shaped or curved, {{convert|70|to|135|mm|in|1}} long and {{convert|12|to|25|mm|1|abbr=on}} wide with the base tapering to a [[Petiole (botany)|petiole]] {{convert|10|to|20|mm|in|1}} long. The flower buds are borne in leaf [[wikt:axil|axil]]s on a broadly flattened [[Peduncle (botany)|peduncle]] {{convert|12|to|35|mm|1|abbr=on}} long. The buds are top-shaped to diamond-shaped, {{convert|28|to|32|mm|in|1}} long and {{convert|23|to|38|mm|1|abbr=on}} wide with a conical to rounded [[Operculum (botany)|operculum]] with a small point on the top. Flowering occurs between April and October and the flowers are white to cream coloured. The fruit are conical with the narrower end towards the base, {{convert|20|to|29|mm|1|abbr=on}} long and {{convert|35|to|50|mm|1|abbr=on}} wide on a down-curved peduncle.<ref name=FloraBase>{{FloraBase|name= ''Eucalyptus aquilina'' |id= 5554}}</ref><ref name="CANBR">{{cite web |title=''Eucalyptus aquilina'' |url=http://keyserver.lucidcentral.org:8080/euclid/data/02050e02-0108-490e-8900-0e0601070d00/media/Html/Eucalyptus_aquilina.htm |publisher=Centre for Australian National Biodiversity Research |access-date=2 March 2019}}</ref><ref name="FoA">{{cite web |last1=Chippendale |first1=George McCartney |title=''Eucalyptus aquilina'' |url=https://profiles.ala.org.au/opus/foa/profile/Eucalyptus%20aquilina |publisher=Australian Biological Resources Study, Department of the Environment and Energy, Canberra}}</ref><ref name="Nuytsia">{{cite journal |last1=Brooker |first1=M. Ian |title=Six new species of ''Eucalyptus'' from Western Australia |journal=Nuytsia |date=1974 |volume=1 |issue=4 |pages=297–300 |url=https://www.biodiversitylibrary.org/item/223201#page/9/mode/1up |access-date=2 March 2019}}</ref>


==Taxonomy and naming==
⚫
It is found in shallow valleys, creek beds and hillsides in a small area along the south coast in the [[Goldfields-Esperance]] region of Western Australia around [[Cape Le Grand National Park]] where it grows in shallow soils over [[granite]].<ref name=FloraBase/> It occurs in dense heath.<ref name=csi/>
''Eucalyptus aquilina'' was first formally described in 1974 by [[Ian Brooker]] from a specimen collected near [[Cape Le Grand National Park|Cape Le Grand]] and the description was published in the journal ''[[Nuytsia (journal)|Nuytsia]]''.<ref name=APNI>{{cite web|title=''Eucalyptus aquilina''|url= https://id.biodiversity.org.au/instance/apni/455560|publisher=APNI|access-date=2 March 2019}}</ref> The [[Botanical name|specific epithet]] (''aquilina'') is a [[Latin]] word meaning "of eagles",<ref name="RWB">{{cite book|last1=Brown|first1=Roland Wilbur|title=The Composition of Scientific Words|date=1956|publisher=Smithsonian Institution Press|location=Washington, D.C.|page=289}}</ref> referring to the eagle-like lobes on the fruit.<ref name="CANBR" />


==Distribution and habitat==
The species was first formally described by the [[botanist]] [[Ian Brooker]] in 1974 as part of the work ''Six new species of Eucalyptus from Western Australia.'' as published in the journal [[Nuytsia (journal)|Nuytsia]].<ref>{{cite web|url=http://bie.ala.org.au/species/http://id.biodiversity.org.au/node/apni/2908200#names|title=''Eucalyptus aquilina'' Brooker|accessdate=11 June 2017|work=Atlas of Living Australia|publisher=Global Biodiversity Information Facility}}</ref>
⚫
The Mount Le Grand mallee grows in shallow valleys, creek beds and hillsides in a small area in the Cape Le Grand National Park along the south coast, east of [[Esperance, Western Australia|Esperance]]. It grows in dense heath in shallow soils over [[granite]].<ref name="FloraBase" />


==Conservation==
The name of the species is taken from the [[latin]] word, ''aquilinus'', meaning ''of an eagle'', referring to the aquiline disc lobes of the fruit.<ref name=csi/>
This eucalypt is classified as "[[Declared Rare and Priority Flora List|Priority Four]]" by the Government of Western Australia [[Department of Parks and Wildlife (Western Australia)|Department of Parks and Wildlife]],<ref name="FloraBase" /> meaning that is rare or near threatened.<ref name=codes>{{cite web|title=Conservation codes for Western Australian Flora and Fauna|url=https://www.dpaw.wa.gov.au/images/documents/plants-animals/threatened-species/Listings/Conservation%20code%20definitions.pdf|publisher=Government of Western Australia Department of Parks and Wildlife|access-date=2 March 2019}}</ref>


==See also==
==See also==

{{Portal|Trees}}
*[[List of Eucalyptus species|List of ''Eucalyptus'' species]]
*[[List of Eucalyptus species|List of ''Eucalyptus'' species]]


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[[Category:Mallees (habit)]]
[[Category:Mallees (habit)]]
[[Category:Myrtales of Australia]]
[[Category:Myrtales of Australia]]
[[Category:Rosids of Western Australia]]
[[Category:Eucalypts of Western Australia]]
[[Category:Trees of Australia]]
[[Category:Goldfields-Esperance]]
[[Category:Goldfields-Esperance]]
[[Category:Vulnerable flora of Australia]]
[[Category:Plants described in 1974]]
[[Category:Plants described in 1974]]
[[Category:Taxa named by Ian Brooker]]
[[Category:Taxa named by Ian Brooker]]

Latest revision as of 08:18, 13 December 2023

Mount Le Grand mallee
Eucalyptus aquilina at Cape Le Grand
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Myrtales
Family: Myrtaceae
Genus: Eucalyptus
Species:
E. aquilina
Binomial name
Eucalyptus aquilina

Eucalyptus aquilina, commonly known as the Mount Le Grand mallee,[3] is a mallee that is endemic to a small area in the south-west of Western Australia. It has smooth white and grey bark, lance-shaped, often curved leaves, top-shaped or diamond-shaped flower buds, white to cream-coloured flowers and cone-shaped fruit on a down-curved peduncle.

flower buds
fruit

Description[edit]

Eucalyptus aquilina is a mallee that typically grows to a height of 2 to 7 metres (7 to 23 ft) and has smooth white bark mottled with grey and forms a lignotuber. The leaves on young plants and on coppice regrowth are lance-shaped to egg-shaped and a slightly different shade of green on the two sides. The adult leaves are arranged alternately, the same glossy dark green on both sides, lance shaped or curved, 70 to 135 millimetres (2.8 to 5.3 in) long and 12 to 25 mm (0.5 to 1.0 in) wide with the base tapering to a petiole 10 to 20 millimetres (0.4 to 0.8 in) long. The flower buds are borne in leaf axils on a broadly flattened peduncle 12 to 35 mm (0.5 to 1.4 in) long. The buds are top-shaped to diamond-shaped, 28 to 32 millimetres (1.1 to 1.3 in) long and 23 to 38 mm (0.9 to 1.5 in) wide with a conical to rounded operculum with a small point on the top. Flowering occurs between April and October and the flowers are white to cream coloured. The fruit are conical with the narrower end towards the base, 20 to 29 mm (0.8 to 1.1 in) long and 35 to 50 mm (1.4 to 2.0 in) wide on a down-curved peduncle.[3][4][5][6]

Taxonomy and naming[edit]

Eucalyptus aquilina was first formally described in 1974 by Ian Brooker from a specimen collected near Cape Le Grand and the description was published in the journal Nuytsia.[7] The specific epithet (aquilina) is a Latin word meaning "of eagles",[8] referring to the eagle-like lobes on the fruit.[4]

Distribution and habitat[edit]

The Mount Le Grand mallee grows in shallow valleys, creek beds and hillsides in a small area in the Cape Le Grand National Park along the south coast, east of Esperance. It grows in dense heath in shallow soils over granite.[3]

Conservation[edit]

This eucalypt is classified as "Priority Four" by the Government of Western Australia Department of Parks and Wildlife,[3] meaning that is rare or near threatened.[9]

See also[edit]

References[edit]

  1. ^ Fensham, R.; Laffineur, B.; Collingwood, T. (2019). "Eucalyptus aquilina". IUCN Red List of Threatened Species. 2019: e.T133377844A133377846. doi:10.2305/IUCN.UK.2019-3.RLTS.T133377844A133377846.en. Retrieved 20 September 2021.
  2. ^ "Eucalyptus aquilina". Australian Plant Census. Retrieved 2 March 2019.
  3. ^ a b c d "Eucalyptus aquilina". FloraBase. Western Australian Government Department of Biodiversity, Conservation and Attractions.
  4. ^ a b "Eucalyptus aquilina". Centre for Australian National Biodiversity Research. Retrieved 2 March 2019.
  5. ^ Chippendale, George McCartney. "Eucalyptus aquilina". Australian Biological Resources Study, Department of the Environment and Energy, Canberra.
  6. ^ Brooker, M. Ian (1974). "Six new species of Eucalyptus from Western Australia". Nuytsia. 1 (4): 297–300. Retrieved 2 March 2019.
  7. ^ "Eucalyptus aquilina". APNI. Retrieved 2 March 2019.
  8. ^ Brown, Roland Wilbur (1956). The Composition of Scientific Words. Washington, D.C.: Smithsonian Institution Press. p. 289.
  9. ^ "Conservation codes for Western Australian Flora and Fauna" (PDF). Government of Western Australia Department of Parks and Wildlife. Retrieved 2 March 2019.
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