Eucalyptus denticulata: Difference between revisions

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{{Short description|Species of eucalyptus}}
{{speciesbox
{{Speciesbox
|name = Errinundra shining gum
|name = Errinundra shining gum
|image = Shining Gum Forest Snowy River National Park.jpg
|image = Shining Gum Forest Snowy River National Park.jpg
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|genus = Eucalyptus
|genus = Eucalyptus
|species = denticulata
|species = denticulata
|authority = [[Ian O. Cook|I.O.Cook]] & [[Pauline Ladiges|Ladiges]]<ref name=APC>{{cite web|title=''Eucalyptus denticulata''|url= https://biodiversity.org.au/nsl/services/apc-format/display/117329|publisher=Australian Plant Census|accessdate=29 May 2019}}</ref>
|authority = [[Ian O. Cook|I.O.Cook]] & [[Pauline Ladiges|Ladiges]]<ref name=APC>{{cite web|title=''Eucalyptus denticulata''|url= https://biodiversity.org.au/nsl/services/apc-format/display/117329|publisher=Australian Plant Census|access-date=29 May 2019}}</ref>
|synonyms_ref =<ref name="APC" />
|synonyms_ref =<ref name="APC" />
|synonyms = ''Eucalyptus'' sp. aff. ''nitens'' (Errinundra)
|synonyms = ''Eucalyptus'' sp. aff. ''nitens'' (Errinundra)
}}
}}


'''''Eucalyptus denticulata''''', commonly known as the '''Errinundra shining gum''' or '''shining gum''',<ref name="CANBR">{{cite web |title=''Eucalyptus denticulata'' |url=http://keyserver.lucidcentral.org:8080/euclid/data/02050e02-0108-490e-8900-0e0601070d00/media/Html/Eucalyptus_denticulata.htm |publisher=Euclid: Centre for Australian National Biodiversity Research |accessdate=29 May 2019}}</ref> is a species of tree [[Endemism|endemic]] to south-eastern [[Australia]]. It has mostly smooth, white bark, lance-shaped to curved adult leaves with toothed edges, flower buds in groups of seven, white flowers and cup-shaped, barrel-shaped or cylindrical fruits. It is similar to ''[[Eucalyptus nitens|E. nitens]]'' and was previously included in that species.
'''''Eucalyptus denticulata''''', commonly known as the '''Errinundra shining gum''' or '''shining gum''',<ref name="CANBR">{{cite web |title=''Eucalyptus denticulata'' |url=https://apps.lucidcentral.org/euclid/text/entities/eucalyptus_denticulata.htm |publisher=Euclid: Centre for Australian National Biodiversity Research |access-date=4 June 2020}}</ref> is a species of tree [[Endemism|endemic]] to south-eastern [[Australia]]. It has mostly smooth, white bark, lance-shaped to curved adult leaves with toothed edges, flower buds in groups of seven, white flowers and cup-shaped, barrel-shaped or cylindrical fruits. It is similar to ''[[Eucalyptus nitens|E. nitens]]'' and was previously included in that species.


== Description ==
== Description ==
''Eucalyptus denticulata'' is a tree that typically grows to a height of {{cvt|35-60|m}} but does not form a [[lignotuber]]. It has smooth, white, cream-coloured, green or brownish bark with rough, fibrous-flaky bark near the base. Ribbons of shed bark often hang in the upper branches. Young plants and [[coppice]] regrowth have stems that are square in cross-section with wings on the corners. The leaves of young plants are arranged in opposite pairs, [[Sessility (botany)|sessile]], egg-shaped or heart-shaped to lance-shaped, {{cvt|50-125|mm}} long and {{cvt|17-45|mm}} wide. Adult leaves are arranged alternately, the same glossy green on both sides, lance-shaped to curved, {{cvt|130-250|mm}} long and {{cvt|14-25|mm}} wide on a [[Petiole (botany)|petiole]] {{cvt|15-30|mm}} long. The edges of the leaves are irregularly toothed and are [[Gland (botany)|glandular]].<ref name="CANBR" /><ref name="RBGS">{{cite web |last1=Hill |first1=Ken |title=''Eucalyptus denticulata'' |url=http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/NSWfl.pl?page=nswfl&lvl=sp&name=Eucalyptus~denticulata |publisher=Royal Botanic Garden Sydney |accessdate=29 May 2019}}</ref><ref name="RBGV">{{cite web |last1=Brooker |first1=M. Ian H. |last2=Slee |first2=Andrew V. |title=''Eucalyptus denticulata'' |url=https://vicflora.rbg.vic.gov.au/flora/taxon/78d14cd2-4a08-492e-9507-be9011debe19 |publisher=Royal Botanic Gardens Victoria |accessdate=29 May 2019}}</ref>
''Eucalyptus denticulata'' is a tree that typically grows to a height of {{cvt|35-60|m}} but does not form a [[lignotuber]]. It has smooth, white, cream-coloured, green or brownish bark with rough, fibrous-flaky bark near the base. Ribbons of shed bark often hang in the upper branches. Young plants and [[coppice]] regrowth have stems that are square in cross-section with wings on the corners. The leaves of young plants are arranged in opposite pairs, [[Sessility (botany)|sessile]], egg-shaped or heart-shaped to lance-shaped, {{cvt|50-125|mm}} long and {{cvt|17-45|mm}} wide. Adult leaves are arranged alternately, the same glossy green on both sides, lance-shaped to curved, {{cvt|130-250|mm}} long and {{cvt|14-25|mm}} wide on a [[Petiole (botany)|petiole]] {{cvt|15-30|mm}} long. The edges of the leaves are irregularly toothed and are [[Gland (botany)|glandular]].<ref name="CANBR" /><ref name="RBGS">{{cite web |last1=Hill |first1=Ken |title=''Eucalyptus denticulata'' |url=http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/NSWfl.pl?page=nswfl&lvl=sp&name=Eucalyptus~denticulata |publisher=Royal Botanic Garden Sydney |access-date=29 May 2019}}</ref><ref name="RBGV">{{cite web |last1=Brooker |first1=M. Ian H. |last2=Slee |first2=Andrew V. |title=''Eucalyptus denticulata'' |url=https://vicflora.rbg.vic.gov.au/flora/taxon/78d14cd2-4a08-492e-9507-be9011debe19 |publisher=Royal Botanic Gardens Victoria |access-date=29 May 2019}}</ref>


The flower buds are arranged in groups of seven in leaf [[wikt:axil|axil]]s on an unbranched [[Peduncle (botany)|peduncle]] {{cvt|6-15|mm}} long, the individual buds sessile or on a [[Pedicel (botany)|pedicel]] up to {{cvt|2|mm}} long. Mature buds are oval to spindle-shaped, about {{cvt|5|mm}} long and {{cvt|3|mm}} wide with a conical to rounded [[Operculum (botany)|operculum]] that differs in the way it is shed from that of ''E. nitens''. The fruit is a woody conical, cup-shaped, barrel-shaped or cylindrical [[Capsule (botany)|capsule]] {{cvt|5-8|mm}} long and {{cvt|4-7|mm}} wide with the valves at rim level or slightly exposed above the rim of the fruit.<ref name="CANBR" /><ref name="RBGS" /><ref name="RBGV" />
The flower buds are arranged in groups of seven in leaf [[wikt:axil|axil]]s on an unbranched [[Peduncle (botany)|peduncle]] {{cvt|6-15|mm}} long, the individual buds sessile or on a [[Pedicel (botany)|pedicel]] up to {{cvt|2|mm}} long. Mature buds are oval to spindle-shaped, about {{cvt|5|mm}} long and {{cvt|3|mm}} wide with a conical to rounded [[Operculum (botany)|operculum]] that differs in the way it is shed from that of ''E. nitens''. The fruit is a woody conical, cup-shaped, barrel-shaped or cylindrical [[Capsule (botany)|capsule]] {{cvt|5-8|mm}} long and {{cvt|4-7|mm}} wide with the valves at rim level or slightly exposed above the rim of the fruit.<ref name="CANBR" /><ref name="RBGS" /><ref name="RBGV" />


==Taxonomy and naming==
==Taxonomy and naming==
''Eucalyptus denticulata'' was first formally described in 1991 by [[Ian O. Cook|Ian Cook]] and [[Pauline Ladiges]] from a specimen collected in the [[Errinundra National Park]] by [[Kevin Thiele]] and [[Suzanne Mary Prober|Suzanne Prober]]. The description was published in ''[[Australian Systematic Botany]]''.<ref name=APNI>{{cite web|title=''Eucalyptus denticulata''|url= https://id.biodiversity.org.au/instance/apni/456157|publisher=APNI|accessdate=29 May 2019}}</ref> The [[Botanical name|specific epithet]] (''denticulata'') is a [[Latin]] word meaning "with small teeth"<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=807}}</ref> referring to the edges of the leaves.<ref name="CANBR" /> The uneven leaf margins may be a defence against herbivores.<ref name=CSIRO>{{cite journal |author1=PG Neish |author2=AN Drinnan |author3=PY Ladiges |title=Anatomy of Leaf-Margin Lenticels in ''Eucalyptus denticulata'' and Three Other Eucalypts|url=http://www.publish.csiro.au/paper/BT9950211.htm|journal =Australian Journal of Botany |volume= 43|issue=2|pages= 211–221|publisher=CSIRO|accessdate=August 29, 2012|doi=10.1071/bt9950211}}</ref>
''Eucalyptus denticulata'' was first formally described in 1991 by [[Ian O. Cook|Ian Cook]] and [[Pauline Ladiges]] from a specimen collected in the [[Errinundra National Park]] by [[Kevin Thiele]] and [[Suzanne Mary Prober|Suzanne Prober]]. The description was published in ''[[Australian Systematic Botany]]''.<ref name=APNI>{{cite web|title=''Eucalyptus denticulata''|url= https://id.biodiversity.org.au/instance/apni/456157|publisher=APNI|access-date=29 May 2019}}</ref> The [[Botanical name|specific epithet]] (''denticulata'') is a [[Latin]] word meaning "with small teeth"<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=807}}</ref> referring to the edges of the leaves.<ref name="CANBR" /> The uneven leaf margins may be a defence against herbivores.<ref name=CSIRO>{{cite journal |author1=PG Neish |author2=AN Drinnan |author3=PY Ladiges |title=Anatomy of Leaf-Margin Lenticels in ''Eucalyptus denticulata'' and Three Other Eucalypts|url=http://www.publish.csiro.au/paper/BT9950211.htm|journal =Australian Journal of Botany |year=1995 |volume= 43|issue=2|pages= 211–221|publisher=CSIRO|access-date=August 29, 2012|doi=10.1071/bt9950211}}</ref>


Previously this species was considered an informal variant of ''[[Eucalyptus nitens|E. nitens]]''.<ref name=UTas>{{cite web|author=Hamilton, MG|author2=Dutkowski, GW|author3=Joyce, KR|author4=Potts, BM|last-author-amp=yes|title=Meta-analysis of racial variation in Eucalyptus nitens and E. denticulata|url=http://ecite.utas.edu.au/75892|work=New Zealand Forest Research Institute Limited|accessdate=August 30, 2012}}</ref>
Previously this species was considered an informal variant of ''[[Eucalyptus nitens|E. nitens]]''.<ref name=UTas>{{cite web|author=Hamilton, MG|author2=Dutkowski, GW|author3=Joyce, KR|author4=Potts, BM|name-list-style=amp|title=Meta-analysis of racial variation in Eucalyptus nitens and E. denticulata|url=http://ecite.utas.edu.au/75892|work=New Zealand Forest Research Institute Limited|access-date=August 30, 2012}}</ref>


==Distribution and habitat==
==Distribution and habitat==
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[[Category:Myrtales of Australia]]
[[Category:Myrtales of Australia]]
[[Category:Flora of New South Wales]]
[[Category:Flora of New South Wales]]
[[Category:Flora of Victoria (Australia)]]
[[Category:Flora of Victoria (state)]]
[[Category:Trees of Australia]]
[[Category:Trees of Australia]]
[[Category:Trees of mild maritime climate]]
[[Category:Trees of mild maritime climate]]

Latest revision as of 00:30, 7 May 2023

Errinundra shining gum
Eucalyptus denticulata in the Snowy River National Park
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Myrtales
Family: Myrtaceae
Genus: Eucalyptus
Species:
E. denticulata
Binomial name
Eucalyptus denticulata
Synonyms[1]

Eucalyptus sp. aff. nitens (Errinundra)

Eucalyptus denticulata, commonly known as the Errinundra shining gum or shining gum,[2] is a species of tree endemic to south-eastern Australia. It has mostly smooth, white bark, lance-shaped to curved adult leaves with toothed edges, flower buds in groups of seven, white flowers and cup-shaped, barrel-shaped or cylindrical fruits. It is similar to E. nitens and was previously included in that species.

Description[edit]

Eucalyptus denticulata is a tree that typically grows to a height of 35–60 m (115–197 ft) but does not form a lignotuber. It has smooth, white, cream-coloured, green or brownish bark with rough, fibrous-flaky bark near the base. Ribbons of shed bark often hang in the upper branches. Young plants and coppice regrowth have stems that are square in cross-section with wings on the corners. The leaves of young plants are arranged in opposite pairs, sessile, egg-shaped or heart-shaped to lance-shaped, 50–125 mm (2.0–4.9 in) long and 17–45 mm (0.67–1.77 in) wide. Adult leaves are arranged alternately, the same glossy green on both sides, lance-shaped to curved, 130–250 mm (5.1–9.8 in) long and 14–25 mm (0.55–0.98 in) wide on a petiole 15–30 mm (0.59–1.18 in) long. The edges of the leaves are irregularly toothed and are glandular.[2][3][4]

The flower buds are arranged in groups of seven in leaf axils on an unbranched peduncle 6–15 mm (0.24–0.59 in) long, the individual buds sessile or on a pedicel up to 2 mm (0.079 in) long. Mature buds are oval to spindle-shaped, about 5 mm (0.20 in) long and 3 mm (0.12 in) wide with a conical to rounded operculum that differs in the way it is shed from that of E. nitens. The fruit is a woody conical, cup-shaped, barrel-shaped or cylindrical capsule 5–8 mm (0.20–0.31 in) long and 4–7 mm (0.16–0.28 in) wide with the valves at rim level or slightly exposed above the rim of the fruit.[2][3][4]

Taxonomy and naming[edit]

Eucalyptus denticulata was first formally described in 1991 by Ian Cook and Pauline Ladiges from a specimen collected in the Errinundra National Park by Kevin Thiele and Suzanne Prober. The description was published in Australian Systematic Botany.[5] The specific epithet (denticulata) is a Latin word meaning "with small teeth"[6] referring to the edges of the leaves.[2] The uneven leaf margins may be a defence against herbivores.[7]

Previously this species was considered an informal variant of E. nitens.[8]

Distribution and habitat[edit]

Errinundra shing gum grows in wet forests and the margins of rainforest in Victoria and New South Wales. In Victoria it occurs on the ranges of East Gippsland including the Errinundra Plateau and Mount Kaye and in New South Wales, south from Bombala.[3][4]

References[edit]

  1. ^ a b "Eucalyptus denticulata". Australian Plant Census. Retrieved 29 May 2019.
  2. ^ a b c d "Eucalyptus denticulata". Euclid: Centre for Australian National Biodiversity Research. Retrieved 4 June 2020.
  3. ^ a b c Hill, Ken. "Eucalyptus denticulata". Royal Botanic Garden Sydney. Retrieved 29 May 2019.
  4. ^ a b c Brooker, M. Ian H.; Slee, Andrew V. "Eucalyptus denticulata". Royal Botanic Gardens Victoria. Retrieved 29 May 2019.
  5. ^ "Eucalyptus denticulata". APNI. Retrieved 29 May 2019.
  6. ^ Brown, Roland Wilbur (1956). The Composition of Scientific Words. Washington, D.C.: Smithsonian Institution Press. p. 807.
  7. ^ PG Neish; AN Drinnan; PY Ladiges (1995). "Anatomy of Leaf-Margin Lenticels in Eucalyptus denticulata and Three Other Eucalypts". Australian Journal of Botany. 43 (2). CSIRO: 211–221. doi:10.1071/bt9950211. Retrieved August 29, 2012.
  8. ^ Hamilton, MG; Dutkowski, GW; Joyce, KR & Potts, BM. "Meta-analysis of racial variation in Eucalyptus nitens and E. denticulata". New Zealand Forest Research Institute Limited. Retrieved August 30, 2012.
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