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{{Short description|Species of eucalyptus}}
{{speciesbox
{{Speciesbox
|name = Tammin mallee
|name = Tammin mallee
|image = Eucalyptus leptopoda Benth. (AM AK346997).jpg
|image = Eucalyptus leptopoda.jpg
|image_caption = ''Eucalyptus leptopoda'' subsp. ''subluta'' near [[Menzies, Western Australia|Menzies]]
|status =
|status =
|status_system =
|status_system =
|genus = Eucalyptus
|genus = Eucalyptus
|species = leptopoda
|species = leptopoda
|authority = [[George Bentham|Benth.]]<ref name="APC">{{cite web |title=''Eucalyptus leptopoda'' |url=https://biodiversity.org.au/nsl/services/apc-format/display/63591 |website=Australian Plant Census |access-date=12 September 2019}}</ref>
|authority = [[George Bentham|Benth.]]
|synonyms_ref = <ref name="APC" />
⚫
|}}
|synonyms = ''Eucalyptus angustifolia'' <small>[[Turcz.]] [[Nomen illegitimum|nom. illeg.]]</small>
⚫
}}


'''''Eucalyptus leptopoda''''', commonly known as the '''Tammin mallee'''<ref name="FloraBase" /> or '''Merredin mallee''',<ref name=Conservationadvice>{{cite web|url=http://www.environment.gov.au/biodiversity/threatened/communities/pubs/128-conservation-advice-appendices.pdf|title=''Environment Protection and Biodiversity Conservation Act 1999'' (EPBC Act) Approved Conservation Advice - Appendices for the Eucalypt Woodlands of the Western Australian Wheatbelt|accessdate=22 January 2023|publisher=[[Department of the Environment]]}} </ref>{{rp|A2}} is a species of [[Mallee (habit)|mallee]] or rarely a tree, that is [[Endemism|endemic]] to [[Western Australia]]. It has smooth mottled grey or brownish bark, sometimes with rough bark near the base, linear to curved adult leaves, flower buds usually in groups of seven and eleven, creamy white flowers and hemispherical to flattened spherical fruit.[[File:Eucalyptus leptopoda buds.jpg|thumb|flower buds]][[File:Eucalyptus leptopoda fruit.jpg|thumb|fruit]]
'''''Eucalyptus leptopoda''''', commonly known as the '''tammin mallee''', is a species of eucalypt native to [[Western Australia]].<ref>{{APNI | name = ''Eucalyptus leptopoda'' Benth. | id = 9050}}</ref>


==Description==
==Description==
''Eucalyptus leptopoda'' is a mallee, or occasionally a tree, that typically grows to a height of {{convert|1|to|8|m|ft|0}} and forms a [[lignotuber]]. It has smooth grey or grey-brown bark, sometimes with flaky or fibrous bark near the base. Young plants and [[coppice]] regrowth have leaves that are arranged alternately, dull greenish, linear to narrow lance-shaped, {{cvt|50-130|mm}} long and {{cvt|4-10|mm}} wide on a short [[Petiole (botany)|petiole]]. Adult leaves are arranged alternately, the same dull, green or grey-green on both sides, usually linear or curved, {{cvt|75-125|mm}} long and {{cvt|6-15|mm}} wide tapering to a petiole {{cvt|5-18|mm}} long. The flower buds are arranged in leaf axils in groups of between seven and eleven, on an unbranched [[Peduncle (botany)|peduncle]] {{cvt|8-15|mm}} long, the individual buds on [[Pedicel (botany)|pedicels]] {{cvt|5-10|mm}} long. Mature buds are oval to more or less spherical, {{cvt|8-11|mm}} long and about {{cvt|5|mm}} wide with a beaked [[Operculum (botany)|operculum]]. It blooms between September and March producing white-cream-yellow coloured flowers. The fruit is a hemispherical to flattened spherical [[Capsule (botany)|capsule]], {{cvt|4-7|mm}} long and {{cvt|6-10|mm}} wide with the valves protruding above the rim.<ref name="FloraBase" /><ref name="euclid" /><ref name="ABRS">{{cite web |last1=Chippendale |first1=George M. |title=''Eucalyptus leptopoda'' |url=https://profiles.ala.org.au/opus/foa/profile/Eucalyptus%20leptopoda |publisher=Flora of Australia. Australian Biological Resources Study, Department of the Environment and Energy, Canberra |access-date=12 September 2019}}</ref>
The [[mallee (habit)|mallee]] or occasionally tree has smooth grey or grey-brown bark and typically grows to a height of {{convert|1|to|8|m|ft|0}}.<ref name=FloraBase/> The thin concolorous, dull, green or grey-green adult leaves have a disjunct arrnagement. The leaf blade has a linear or lanceolate shape, are basally tapered and have obscure lateral veins.<ref name=eucalink>{{cite web|url=http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/euctax.pl?/PlantNet/Euc=&name=Eucalyptus+leptopoda|title=''Eucalyptus leptopoda''|work=Eucalink|accessdate=11 November 2018|publisher=Royal Botanic Garden, Sydney}}</ref> It blooms between September and March producing white-cream-yellow coloured flowers.<ref name=FloraBase/> The simple axillary [[conflorescence]] contain seven to eleven flowers per umbellaster supported by terete peduncles. The globose to conical shaped buds have a conical smooth and cream coloured flowers. The fruits that form after flowering are globose with a raised to flat disc and exserted valves.<ref name=eucalink/>


==Taxonomy==
==Taxonomy==
''Eucalyptus leptopoda'' was first formally described by the botanist [[George Bentham]] in 1867 and published in ''[[Flora Australiensis]]''. The type specimen was collected by [[James Drummond (botanist)|James Drummond]].<ref name=APNI>{{cite web|title=''Eucalyptus leptopoda''|url= https://id.biodiversity.org.au/instance/apni/454861 |publisher=APNI|access-date=12 September 2019}}</ref><ref name="Benth.">{{cite book |last1=Bentham |first1=George |last2=von Mueller |first2=Ferdinand |title=Flora Australiensis |date=1867 |volume=3 |publisher=Lovell Reeve & Co. |location=London |pages=238–239 |url=https://www.biodiversitylibrary.org/item/41807#page/246/mode/1up |access-date=12 September 2019}}</ref> The [[botanical name|specific epithet]] is derived from [[ancient Greek]] words meaning "thin", "narrow" or "slender" and "foot" in reference to the slender pedicels.<ref name=euclid>{{cite web|url=https://apps.lucidcentral.org/euclid/text/entities/eucalyptus_leptopoda_subsp._leptopoda.htm|title=''Eucalyptus leptopoda'' subsp. ''leptopoda''|access-date=1 June 2020|work=Euclid|publisher=[[CSIRO]]}}</ref><ref name="Sharr">{{cite book |author=Francis Aubie Sharr |author-link=Francis Aubie Sharr |title=Western Australian Plant Names and their Meanings |date=2019 |publisher=Four Gables Press |location=Kardinya, Western Australia |isbn=9780958034180 |pages=238–239}}</ref>
The species was first formally described by the botanist [[George Bentham]] in 1867 as part of the work ''Orders XLVIII. Myrtaceae- LXII. Compositae. Flora Australiensis''. The only synonym is ''Eucalyptus angustifolia''.<ref>{{cite web|url=https://bie.ala.org.au/species/http://id.biodiversity.org.au/node/apni/2893639#names|title=''Eucalyptus leptopoda'' Benth. Tammin Mallee|accessdate=11 November 2018|work=Atlas of Living Australia|publisher=[[Global Biodiversity Information Facility]]}}</ref>


In 1992, [[Lawrence Alexander Sidney Johnson|Lawrie Johnson]] and [[Ken Hill (botanist)|Ken Hill]] described four subspecies and the names have been accepted by the [[Australian Plant Census]]:<ref name="Telopea">{{cite journal |last1=Jophnson |first1=Lawrence A.S. |last2=Hill |first2=Kenneth D. |title=Systematic studies in the eucalypts - 5. New taxa and combination in ''Eucalyptus'' (Myrtaceae) in Western Australia |journal=Telopea |date=1992 |volume=4 |issue=4 |pages=617–622}}</ref>
The [[botanical name|specific epithet]] is derived from the [[Greek (language)|Greek]] words ''leptos'' meaning ''thin'' or ''narrow'' or ''slender'' and ''podos'' meaning ''foot'' in reference to the slender [[pedicel (botany)|pedicels]].<ref name=euclid>{{cite web|url=http://keyserver.lucidcentral.org:8080/euclid/data/02050e02-0108-490e-8900-0e0601070d00/media/Html/Eucalyptus_leptopoda_subsp._leptopoda.htm|title=''Eucalyptus leptopoda'' subsp. ''leptopoda''|accessdate=11 November 2018|work=Euclid|publisher=[[CSIRO]]}}</ref>
* ''Eucalyptus leptopoda'' subsp. ''arctata'' <small>L.A.S.Johnson & K.D.Hill</small><ref name="APC1">{{cite web |title=''Eucalyptus leptopoda'' subsp. ''arctata'' |url=https://biodiversity.org.au/nsl/services/apc-format/display/118964 |website=Australian Plant Census |access-date=12 September 2019}}</ref> has linear leaves and the disc of the fruit steeply raised;

* ''Eucalyptus leptopoda'' subsp. ''elevata'' <small>L.A.S.Johnson & K.D.Hill</small><ref name="APC2">{{cite web |title=''Eucalyptus leptopoda'' subsp. ''elevata'' |url=https://biodiversity.org.au/nsl/services/apc-format/display/118963 |website=Australian Plant Census |access-date=12 September 2019}}</ref> has lance-shaped leaves and the disc of the fruit steeply raised;
The type specimen was collected by [[James Drummond (botanist)|James Drummond]].<ref name=eucalink/>
* ''Eucalyptus leptopoda'' <small>Benth.</small> subsp. ''leptopoda''<ref name="APC3">{{cite web |title=''Eucalyptus leptopoda'' subsp. ''leptopoda''|url=https://biodiversity.org.au/nsl/services/apc-format/display/118962 |website=Australian Plant Census |access-date=12 September 2019}}</ref> usually has more than 7 flower buds in a group and the disc of the fruit flat or rounded;
* ''Eucalyptus leptopoda'' subsp. ''subluta'' <small>L.A.S.Johnson & K.D.Hill</small><ref name="APC4">{{cite web |title=''Eucalyptus leptopoda'' subsp. ''subluta'' |url=https://biodiversity.org.au/nsl/services/apc-format/display/118965 |website=Australian Plant Census |access-date=12 September 2019}}</ref> usually has only seven flower buds in a group and the disc of the fruit flat or rounded.<ref name="Telopea" />


==Distribution==
==Distribution==
It is [[endemism|endemic]] throughout the [[Mid West (Western Australia)|Mid West]], [[Wheatbelt (Western Australia)|Wheatbelt]] and western parts of the [[Goldfields-Esperance]] regions in Western Australia where it is commonly found on sand plains, dunes and rises where it grows in sandy or loamy soils sometimes containing gravel over and around areas of [[laterite]].<ref name=FloraBase>{{FloraBase|title=''Eucalyptus leptopoda''|id=5696}}</ref>
The Tammin mallee is endemic to the [[Mid West (Western Australia)|Mid West]], [[Wheatbelt (Western Australia)|Wheatbelt]] and western parts of the [[Goldfields-Esperance]] regions in Western Australia where it is commonly found on sand plains, dunes and rises growing in sandy or loamy soils sometimes containing gravel, over and around areas of [[laterite]].<ref name=FloraBase>{{FloraBase|name= ''Eucalyptus leptopoda''|id=5696}}</ref>

==Conservation status==
All four subspecies of ''E. leptopoda'' are classified as "not threatened" by the Western Australian Government [[Department of Parks and Wildlife (Western Australia)|Department of Parks and Wildlife]].<ref name=FloraBase1>{{FloraBase|name=''Eucalyptus leptopoda'' subsp. ''arctata''|id=13057}}</ref><ref name=FloraBase2>{{FloraBase| name =''Eucalyptus leptopoda'' subsp. ''elevata''|id=13058}}</ref><ref name=FloraBase3>{{FloraBase| name =''Eucalyptus leptopoda'' subsp. ''leptopoda''|id=13059}}</ref><ref name=FloraBase4>{{FloraBase| name =''Eucalyptus leptopoda'' subsp. ''subluta''|id=13056}}</ref>


==See also==
==See also==
[[List of Eucalyptus species|List of ''Eucalyptus'' species]]
* [[List of Eucalyptus species|List of ''Eucalyptus'' species]]


==References==
==References==
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[[Category:Eucalyptus|leptopoda]]
[[Category:Eucalyptus|leptopoda]]
[[Category:Flora of Western Australia]]
[[Category:Eucalypts of Western Australia]]
[[Category:Drought-tolerant trees]]
[[Category:Myrtales of Australia]]
[[Category:Myrtales of Australia]]
[[Category:Mallees (habit)]]
[[Category:Mallees (habit)]]

Latest revision as of 06:49, 22 January 2023

Tammin mallee
Eucalyptus leptopoda subsp. subluta near Menzies
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Myrtales
Family: Myrtaceae
Genus: Eucalyptus
Species:
E. leptopoda
Binomial name
Eucalyptus leptopoda
Synonyms[1]

Eucalyptus angustifolia Turcz. nom. illeg.

Eucalyptus leptopoda, commonly known as the Tammin mallee[2] or Merredin mallee,[3]: A2  is a species of mallee or rarely a tree, that is endemic to Western Australia. It has smooth mottled grey or brownish bark, sometimes with rough bark near the base, linear to curved adult leaves, flower buds usually in groups of seven and eleven, creamy white flowers and hemispherical to flattened spherical fruit.

flower buds
fruit

Description[edit]

Eucalyptus leptopoda is a mallee, or occasionally a tree, that typically grows to a height of 1 to 8 metres (3 to 26 ft) and forms a lignotuber. It has smooth grey or grey-brown bark, sometimes with flaky or fibrous bark near the base. Young plants and coppice regrowth have leaves that are arranged alternately, dull greenish, linear to narrow lance-shaped, 50–130 mm (2.0–5.1 in) long and 4–10 mm (0.16–0.39 in) wide on a short petiole. Adult leaves are arranged alternately, the same dull, green or grey-green on both sides, usually linear or curved, 75–125 mm (3.0–4.9 in) long and 6–15 mm (0.24–0.59 in) wide tapering to a petiole 5–18 mm (0.20–0.71 in) long. The flower buds are arranged in leaf axils in groups of between seven and eleven, on an unbranched peduncle 8–15 mm (0.31–0.59 in) long, the individual buds on pedicels 5–10 mm (0.20–0.39 in) long. Mature buds are oval to more or less spherical, 8–11 mm (0.31–0.43 in) long and about 5 mm (0.20 in) wide with a beaked operculum. It blooms between September and March producing white-cream-yellow coloured flowers. The fruit is a hemispherical to flattened spherical capsule, 4–7 mm (0.16–0.28 in) long and 6–10 mm (0.24–0.39 in) wide with the valves protruding above the rim.[2][4][5]

Taxonomy[edit]

Eucalyptus leptopoda was first formally described by the botanist George Bentham in 1867 and published in Flora Australiensis. The type specimen was collected by James Drummond.[6][7] The specific epithet is derived from ancient Greek words meaning "thin", "narrow" or "slender" and "foot" in reference to the slender pedicels.[4][8]

In 1992, Lawrie Johnson and Ken Hill described four subspecies and the names have been accepted by the Australian Plant Census:[9]

  • Eucalyptus leptopoda subsp. arctata L.A.S.Johnson & K.D.Hill[10] has linear leaves and the disc of the fruit steeply raised;
  • Eucalyptus leptopoda subsp. elevata L.A.S.Johnson & K.D.Hill[11] has lance-shaped leaves and the disc of the fruit steeply raised;
  • Eucalyptus leptopoda Benth. subsp. leptopoda[12] usually has more than 7 flower buds in a group and the disc of the fruit flat or rounded;
  • Eucalyptus leptopoda subsp. subluta L.A.S.Johnson & K.D.Hill[13] usually has only seven flower buds in a group and the disc of the fruit flat or rounded.[9]

Distribution[edit]

The Tammin mallee is endemic to the Mid West, Wheatbelt and western parts of the Goldfields-Esperance regions in Western Australia where it is commonly found on sand plains, dunes and rises growing in sandy or loamy soils sometimes containing gravel, over and around areas of laterite.[2]

Conservation status[edit]

All four subspecies of E. leptopoda are classified as "not threatened" by the Western Australian Government Department of Parks and Wildlife.[14][15][16][17]

See also[edit]

References[edit]

  1. ^ a b "Eucalyptus leptopoda". Australian Plant Census. Retrieved 12 September 2019.
  2. ^ a b c "Eucalyptus leptopoda". FloraBase. Western Australian Government Department of Biodiversity, Conservation and Attractions.
  3. ^ "Environment Protection and Biodiversity Conservation Act 1999 (EPBC Act) Approved Conservation Advice - Appendices for the Eucalypt Woodlands of the Western Australian Wheatbelt" (PDF). Department of the Environment. Retrieved 22 January 2023.
  4. ^ a b "Eucalyptus leptopoda subsp. leptopoda". Euclid. CSIRO. Retrieved 1 June 2020.
  5. ^ Chippendale, George M. "Eucalyptus leptopoda". Flora of Australia. Australian Biological Resources Study, Department of the Environment and Energy, Canberra. Retrieved 12 September 2019.
  6. ^ "Eucalyptus leptopoda". APNI. Retrieved 12 September 2019.
  7. ^ Bentham, George; von Mueller, Ferdinand (1867). Flora Australiensis. Vol. 3. London: Lovell Reeve & Co. pp. 238–239. Retrieved 12 September 2019.
  8. ^ Francis Aubie Sharr (2019). Western Australian Plant Names and their Meanings. Kardinya, Western Australia: Four Gables Press. pp. 238–239. ISBN 9780958034180.
  9. ^ a b Jophnson, Lawrence A.S.; Hill, Kenneth D. (1992). "Systematic studies in the eucalypts - 5. New taxa and combination in Eucalyptus (Myrtaceae) in Western Australia". Telopea. 4 (4): 617–622.
  10. ^ "Eucalyptus leptopoda subsp. arctata". Australian Plant Census. Retrieved 12 September 2019.
  11. ^ "Eucalyptus leptopoda subsp. elevata". Australian Plant Census. Retrieved 12 September 2019.
  12. ^ "Eucalyptus leptopoda subsp. leptopoda". Australian Plant Census. Retrieved 12 September 2019.
  13. ^ "Eucalyptus leptopoda subsp. subluta". Australian Plant Census. Retrieved 12 September 2019.
  14. ^ "Eucalyptus leptopoda subsp. arctata". FloraBase. Western Australian Government Department of Biodiversity, Conservation and Attractions.
  15. ^ "Eucalyptus leptopoda subsp. elevata". FloraBase. Western Australian Government Department of Biodiversity, Conservation and Attractions.
  16. ^ "Eucalyptus leptopoda subsp. leptopoda". FloraBase. Western Australian Government Department of Biodiversity, Conservation and Attractions.
  17. ^ "Eucalyptus leptopoda subsp. subluta". FloraBase. Western Australian Government Department of Biodiversity, Conservation and Attractions.
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