Eucalyptus paedoglauca: Difference between revisions
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{{Short description|Species of eucalyptus}} |
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{{speciesbox |
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|name = Mount Stuart ironbark |
|name = Mount Stuart ironbark |
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|genus = Eucalyptus |
|genus = Eucalyptus |
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|species = paedoglauca |
|species = paedoglauca |
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|authority = [[Lawrence Alexander Sidney Johnson|L.A.S.Johnson]] & [[Donald Frederick Blaxell|Blaxell]]<ref name="APC">{{cite web |title=''Eucalyptus paedoglauca'' |url=https://biodiversity.org.au/nsl/services/apc-format/display/118680|website=Australian Plant Census |access-date=25 November 2019}}</ref> |
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|authority = [[L.A.S.Johnson]] & Blaxell |
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}} |
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'''''Eucalyptus paedoglauca''''', commonly known as the '''Mount Stuart ironbark''',<ref name="CANBR">{{cite web |title=''Eucalyptus paedoglauca'' |url=https://apps.lucidcentral.org/euclid/text/entities/eucalyptus_paedoglauca.htm |publisher=Euclid: Centre for Australian National Biodiversity Research |access-date=30 May 2020}}</ref> is a small to medium-sized tree that is [[Endemism|endemic]] to a small area in Queensland. It has rough, dark [[ironbark]], lance-shaped adult leaves, flower buds in groups of seven, white flowers and cup-shaped fruit. It is only known from a few hills near [[Townsville]]. |
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==Description== |
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''Eucalyptus paedoglauca'' is a tree that typically grows to a height of {{cvt|10-15|m}} and forms a [[lignotuber]]. It has rough dark grey to black ironbark to the thinnest branches. Young plants and [[coppice]] regrowth have [[wikt:Glaucous#Adjective|glaucous]], broadly lance-shaped to egg-shaped or sickle-shaped leaves that are {{cvt|8-15|mm}} long and {{cvt|35-70|mm}} wide. Adult leaves are the same shade of usually dull green on both sides, lance-shaped, {{cvt|80-140|mm}} long and {{cvt|17-32|mm}} wide, tapering to a [[Petiole (botany)|petiole]] {{cvt|10-20|mm}} long. The flower buds are arranged on the ends of branchlets on a branched [[Peduncle (botany)|peduncle]] in groups of seven, the peduncle {{cvt|4-9|mm}} long, the individual buds on [[Pedicel (botany)|pedicels]] {{cvt|2-5|mm}} long. Mature buds are oval, about {{cvt|7|mm}} long and {{cvt|4|mm}} wide with a conical to rounded [[Operculum (botany)|operculum]]. Flowering occurs from April to May and the flowers are white. The fruit is a woody, cup-shaped [[Capsule (botany)|capsule]] {{cvt|5-7|mm}} long and wide with the valves near rim level.<ref name="CANBR" /><ref name="environment">{{cite web |title=Approved Conservation Advice for ''Eucalyptus paedoglauca'' |url=http://www.environment.gov.au/biodiversity/threatened/species/pubs/56188-conservation-advice.pdf |publisher=Australian Government Department of the Environment |access-date=25 November 2019}}</ref><ref name="Telopea" /> |
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==Taxonomy== |
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''Eucalyptus paedoglauca'' was first formally described in 1991 by [[Lawrence Alexander Sidney Johnson|Lawrie Johnson]] and [[Donald Frederick Blaxell|Donald Blaxell]] from material collected on [[Mount Stuart (Queensland)|Mount Stuart]], near Townsville. The description was published in the journal ''[[Telopea (journal)|Telopea]]'' in a paper by [[Ken Hill (botanist)|Ken Hill]] and Johnson.<ref name=APNI>{{cite web|title=''Eucalyptus paedoglauca''|url= https://id.biodiversity.org.au/instance/apni/557016|publisher=APNI|access-date=25 November 2019}}</ref><ref name="Telopea">{{cite journal |last1=Johnson |first1=Lawrence A.S. |last2=Blaxell |first2=Donald F. |title=Systematic studies in the eucalypts - 3. New taxa in Eucalyptus (Myrtaceae) |journal=Telopea |date=1991 |volume=4 |issue=2 |pages=243–244}}</ref> The [[Botanical name|specific epithet]] (''paedoglauca'') is from [[ancient Greek]], meaning "child" or "youth" and "pale blue or grey", referring to the glaucous juvenile leaves.<ref name="CANBR" /> |
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==Distribution and habitat== |
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Mount Stuart ironbark grows in remnant vegetation on Mount Stuart and a few other hills near Townsville.<ref name="environment" /> |
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==Conservation status== |
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| ⚫ | This eucalypt is listed as "vulnerable" under the Australian Government ''[[Environment Protection and Biodiversity Conservation Act 1999]]'' and by the Queensland Government ''[[Nature Conservation Act 1992]]''. The main threats to the species are road maintenance and inappropriate fire regimes.<ref name="environment" /><ref>{{cite web|url=http://wetlandinfo.ehp.qld.gov.au/wetlands/ecology/components/species/?eucalyptus-paedoglauca|title=Mt Stuart Ironbark - Eucalyptus paedoglauca|access-date=12 November 2016|work=WetlandInfo|publisher=[[Queensland Government]]}}</ref> |
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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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==References== |
==References== |
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{{Reflist}} |
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{{Taxonbar|from=Q15461443}} |
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[[Category:Trees of Australia]] |
[[Category:Trees of Australia]] |
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[[Category:Myrtales of Australia]] |
[[Category:Myrtales of Australia]] |
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[[Category:Flora of Queensland]] |
[[Category:Flora of Queensland]] |
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[[Category:Plants described in 1991]] |
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[[Category:Taxa named by Lawrence Alexander Sidney Johnson]] |
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Latest revision as of 11:16, 7 March 2021
| Mount Stuart ironbark | |
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Scientific classification 
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| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Rosids |
| Order: | Myrtales |
| Family: | Myrtaceae |
| Genus: | Eucalyptus |
| Species: | E. paedoglauca
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| Binomial name | |
| Eucalyptus paedoglauca | |
Eucalyptus paedoglauca, commonly known as the Mount Stuart ironbark,[2] is a small to medium-sized tree that is endemic to a small area in Queensland. It has rough, dark ironbark, lance-shaped adult leaves, flower buds in groups of seven, white flowers and cup-shaped fruit. It is only known from a few hills near Townsville.
Description[edit]
Eucalyptus paedoglauca is a tree that typically grows to a height of 10–15 m (33–49 ft) and forms a lignotuber. It has rough dark grey to black ironbark to the thinnest branches. Young plants and coppice regrowth have glaucous, broadly lance-shaped to egg-shaped or sickle-shaped leaves that are 8–15 mm (0.31–0.59 in) long and 35–70 mm (1.4–2.8 in) wide. Adult leaves are the same shade of usually dull green on both sides, lance-shaped, 80–140 mm (3.1–5.5 in) long and 17–32 mm (0.67–1.26 in) wide, tapering to a petiole 10–20 mm (0.39–0.79 in) long. The flower buds are arranged on the ends of branchlets on a branched peduncle in groups of seven, the peduncle 4–9 mm (0.16–0.35 in) long, the individual buds on pedicels 2–5 mm (0.079–0.197 in) long. Mature buds are oval, about 7 mm (0.28 in) long and 4 mm (0.16 in) wide with a conical to rounded operculum. Flowering occurs from April to May and the flowers are white. The fruit is a woody, cup-shaped capsule 5–7 mm (0.20–0.28 in) long and wide with the valves near rim level.[2][3][4]
Taxonomy[edit]
Eucalyptus paedoglauca was first formally described in 1991 by Lawrie Johnson and Donald Blaxell from material collected on Mount Stuart, near Townsville. The description was published in the journal Telopea in a paper by Ken Hill and Johnson.[5][4] The specific epithet (paedoglauca) is from ancient Greek, meaning "child" or "youth" and "pale blue or grey", referring to the glaucous juvenile leaves.[2]
Distribution and habitat[edit]
Mount Stuart ironbark grows in remnant vegetation on Mount Stuart and a few other hills near Townsville.[3]
Conservation status[edit]
This eucalypt is listed as "vulnerable" under the Australian Government Environment Protection and Biodiversity Conservation Act 1999 and by the Queensland Government Nature Conservation Act 1992. The main threats to the species are road maintenance and inappropriate fire regimes.[3][6]
See also[edit]
References[edit]
- ^ "Eucalyptus paedoglauca". Australian Plant Census. Retrieved 25 November 2019.
- ^ a b c "Eucalyptus paedoglauca". Euclid: Centre for Australian National Biodiversity Research. Retrieved 30 May 2020.
- ^ a b c "Approved Conservation Advice for Eucalyptus paedoglauca" (PDF). Australian Government Department of the Environment. Retrieved 25 November 2019.
- ^ a b Johnson, Lawrence A.S.; Blaxell, Donald F. (1991). "Systematic studies in the eucalypts - 3. New taxa in Eucalyptus (Myrtaceae)". Telopea. 4 (2): 243–244.
- ^ "Eucalyptus paedoglauca". APNI. Retrieved 25 November 2019.
- ^ "Mt Stuart Ironbark - Eucalyptus paedoglauca". WetlandInfo. Queensland Government. Retrieved 12 November 2016.