Eucalyptus extrica: Difference between revisions
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|genus = Eucalyptus |
|genus = Eucalyptus |
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|species = extrica |
|species = extrica |
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|authority = [[D.Nicolle]]<ref name=APC>{{cite web|title=''Eucalyptus extrica''|url= https://biodiversity.org.au/nsl/services/apc-format/display/166158|publisher=Australian Plant Census|accessdate=4 July 2019}}</ref> |
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|authority = [[D.Nicolle]] |
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'''''Eucalyptus extrica''''', commonly known as '''eastern tallerack''',<ref>{{cite web|url=http:// |
'''''Eucalyptus extrica''''', commonly known as '''eastern tallerack''',<ref name="CANBR">{{cite web |title=''Eucalyptus extrica'' |url=http://keyserver.lucidcentral.org:8080/euclid/data/02050e02-0108-490e-8900-0e0601070d00/media/Html/Eucalyptus_extrica.htm |publisher=Euclid: Centre for Australian National Biodiversity Research |accessdate=4 July 2019}}</ref> is a species of [[Mallee (habit)|mallee]] that is [[Endemism|endemic]] in Western Australia. It has smooth bark, lance-shaped adult leaves arranged in opposite pairs, flower buds in groups of three, whitish flowers and cylindrical to barrel-shaped fruit. |
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==Description== |
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The spreading [[mallee (habit)|mallee]] typically grows to a height of {{convert|1|to|4|m|ft|0}}. It has smooth light grey over brown bark that becomes persistent, rough, ribbony bark on the lower stems. It blooms between January and April producing white flowers. |
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''Eucalyptus extrica'' is a spreading mallee that typically grows to a height of {{cvt|1-4|m}} and forms a [[lignotuber]]. It has smooth light grey over brown bark, sometimes with rough, fibrous or ribbony bark on the lower stems. Young plants and [[coppice]] regrowth have slightly [[wikt:glaucous#Adjective|glaucous]], elliptical to egg-shaped leaves arranged in opposite pairs. Adult leaves are also arranged in opposite pairs, lance-shaped to egg-shaped, the same dull green on both sides, {{cvt|70-140|mm}} long and {{cvt|20-50|mm}} wide on a [[Petiole (botany)|petiole]] {{cvt|12-30|mm}} long. The flower buds are arrange in leaf [[wikt:axil|axil]]s in groups of three on a flattened [[Peduncle (botany)|peduncle]] {{cvt|6-20|mm}} long, the individual buds on [[Pedicel (botany)|pedicels]] {{cvt|6-13|mm}} long. Mature buds are oval, {{cvt|6-8|mm}} long and {{cvt|5-6|mm}} wide with a rounded to flattened [[Operculum (botany)|operculum]]. Flowering occurs between January and April and the flowers are whitish. The fruit is a woody, cylindrical to barrel-shaped [[Capsule (botany)|capsule]] {{cvt|13-21|mm}} long and {{cvt|10-22|mm}} wide with the valves near to rim level.<ref name="CANBR" /><ref name="Nuytsia">{{cite journal |last1=Nicolle |first1=Dean |title=Three new taxa of ''Eucalyptus'' subgenus ''Eudesmia'' (Myrtaceae) from Queensland and Western Australia |journal=Nuytsia |date=2000 |volume=13 |issue=2 |pages=322–324 |url=https://www.biodiversitylibrary.org/item/225408#page/64/mode/1up |accessdate=4 July 2019}}</ref><ref name=FloraBase>{{FloraBase|name=''Eucalyptus extrica''|id=19473}}</ref> |
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| ⚫ | Tallerack (''[[Eucalyptus pleurocarpa|E. pleurocarpa]]'') has a similar habit but has noticeably shorter, wider, glaucous leaves, glaucous buds and fruit. Intergrades between the two species have been recorded.<ref name="APC" /><ref>{{cite web|url=http://www.eucalyptsofwa.com.au/E.%20pleurocarpa.%20EucalyptsOfWheatbelt_pleurocarpa.pdf|title=Eucalyptus pleurocarpa blue mallee, tallerack|accessdate=23 April 2017|work=Eucalypts of Western Australia's Wheatbelt|author=Malcolm French}}</ref> |
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==Taxonomy and naming== |
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''Eucalyptus extrica'' was first formally described in 200 by [[Dean Nicolle]] from a specimen collected east of [[Condingup]] by Anthony Orchard, and the description was published in the journal ''[[Nuytsia (journal)|Nuytsia]]''.<ref name=APNI>{{cite web|title=''Eucalyptus extrica''|url= https://id.biodiversity.org.au/instance/apni/563921|publisher=APNI|accessdate=4 July 2019}}</ref><ref name="ANBG">{{cite web |title=Orchard, Anthony (Tony) E. (1946 - ) |url=http://www.anbg.gov.au/biography/orchard-anthony.html |publisher=Council of Heads of Australasian Herbaria |accessdate=4 July 2019}}</ref> The [[botanical name|specific epithet]] is from the [[Latin]] word ''extrico'' meaning "disentangled" or "free" in reference to this species having been confused with ''[[Eucalyptus tetragona|E. tetragona]]'' in the past. |
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==Distribution and habitat== |
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The species was first formally described by [[Dean Nicolle]] in 2000 in the work ''Three new taxa of Eucalyptus subgenus Eudesmia (Myrtaceae) from Queensland and Western Australia'' published in the journal [[Nuytsia (journal)|Nuytsia]].<ref>{{cite web|url=http://bie.ala.org.au/species/http://id.biodiversity.org.au/node/apni/2895924#names|title=Eucalyptus extrica D.Nicolle|accessdate=23 April 2017|work=Atlas of Living Australia|publisher=Global Biodiversity Information Facility}}</ref> |
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==Conservation status== |
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This mallee is classified as "not threatened" by the Western Australian Government [[Department of Parks and Wildlife (Western Australia)|Department of Parks and Wildlife]].<ref name="FloraBase" /> |
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==See also== |
==See also== |
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{{Portal|Trees}} |
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*[[List of Eucalyptus species|List of ''Eucalyptus'' species]] |
*[[List of Eucalyptus species|List of ''Eucalyptus'' species]] |
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[[Category:Myrtales of Australia]] |
[[Category:Myrtales of Australia]] |
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[[Category:Rosids of Western Australia]] |
[[Category:Rosids of Western Australia]] |
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[[Category:Trees of Australia]] |
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[[Category:Goldfields-Esperance]] |
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[[Category:Plants described in 2000]] |
[[Category:Plants described in 2000]] |
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Revision as of 10:57, 4 July 2019
| Eastern Tallerack | |
|---|---|
Scientific classification 
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| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Rosids |
| Order: | Myrtales |
| Family: | Myrtaceae |
| Genus: | Eucalyptus |
| Species: | E. extrica
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| Binomial name | |
| Eucalyptus extrica | |
Eucalyptus extrica, commonly known as eastern tallerack,[2] is a species of mallee that is endemic in Western Australia. It has smooth bark, lance-shaped adult leaves arranged in opposite pairs, flower buds in groups of three, whitish flowers and cylindrical to barrel-shaped fruit.
Description
Eucalyptus extrica is a spreading mallee that typically grows to a height of 1–4 m (3 ft 3 in – 13 ft 1 in) and forms a lignotuber. It has smooth light grey over brown bark, sometimes with rough, fibrous or ribbony bark on the lower stems. Young plants and coppice regrowth have slightly glaucous, elliptical to egg-shaped leaves arranged in opposite pairs. Adult leaves are also arranged in opposite pairs, lance-shaped to egg-shaped, the same dull green on both sides, 70–140 mm (2.8–5.5 in) long and 20–50 mm (0.79–1.97 in) wide on a petiole 12–30 mm (0.47–1.18 in) long. The flower buds are arrange in leaf axils in groups of three on a flattened peduncle 6–20 mm (0.24–0.79 in) long, the individual buds on pedicels 6–13 mm (0.24–0.51 in) long. Mature buds are oval, 6–8 mm (0.24–0.31 in) long and 5–6 mm (0.20–0.24 in) wide with a rounded to flattened operculum. Flowering occurs between January and April and the flowers are whitish. The fruit is a woody, cylindrical to barrel-shaped capsule 13–21 mm (0.51–0.83 in) long and 10–22 mm (0.39–0.87 in) wide with the valves near to rim level.[2][3][4]
Tallerack (E. pleurocarpa) has a similar habit but has noticeably shorter, wider, glaucous leaves, glaucous buds and fruit. Intergrades between the two species have been recorded.[1][5]
Taxonomy and naming
Eucalyptus extrica was first formally described in 200 by Dean Nicolle from a specimen collected east of Condingup by Anthony Orchard, and the description was published in the journal Nuytsia.[6][7] The specific epithet is from the Latin word extrico meaning "disentangled" or "free" in reference to this species having been confused with E. tetragona in the past.
Distribution and habitat
Eastern tallerack is found in coastal areas in the Goldfields-Esperance region of Western Australia between Esperance and Cape Arid where it grows in sandy soils over limestone.[4]
Conservation status
This mallee is classified as "not threatened" by the Western Australian Government Department of Parks and Wildlife.[4]
See also
References
- ^ a b "Eucalyptus extrica". Australian Plant Census. Retrieved 4 July 2019.
- ^ a b "Eucalyptus extrica". Euclid: Centre for Australian National Biodiversity Research. Retrieved 4 July 2019.
- ^ Nicolle, Dean (2000). "Three new taxa of Eucalyptus subgenus Eudesmia (Myrtaceae) from Queensland and Western Australia". Nuytsia. 13 (2): 322–324. Retrieved 4 July 2019.
- ^ a b c "Eucalyptus extrica". FloraBase. Western Australian Government Department of Biodiversity, Conservation and Attractions.
- ^ Malcolm French. "Eucalyptus pleurocarpa blue mallee, tallerack" (PDF). Eucalypts of Western Australia's Wheatbelt. Retrieved 23 April 2017.
- ^ "Eucalyptus extrica". APNI. Retrieved 4 July 2019.
- ^ "Orchard, Anthony (Tony) E. (1946 - )". Council of Heads of Australasian Herbaria. Retrieved 4 July 2019.