Elaeocarpus johnsonii: Difference between revisions
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==Description== |
==Description== |
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''Elaeocarpus johnsonii'' is a small to medium-sized tree typically growing to a height of {{cvt|20|m}}, often with several [[Buttress root|buttressed]] trunks. Young branchlets are densely covered with woolly-brownish or velvety hairs. The leaves are mostly clustered at the ends of branchlets, hairy, elliptic to egg-shaped with the narrower end towards the base, mostly {{cvt|100–160|mm}} long and {{cvt|55–80|mm}} wide on a [[Petiole (botany)|petiole]] {{cvt|2–3|mm}} long. The flowers are arranged in racemes {{cvt|10–30|mm}} long with up to seven flowers on robust [[Pedicel (botany)|pedicels]] {{cvt|15–25|mm}} long. The flowers have five narrow triangular [[sepal]]s about {{cvt|16|mm}} and {{cvt|4|mm}} wide, densely hairy on the back. The five petals are about {{cvt|18|mm}} long and {{cvt|6|mm}} wide, the tips divided into two or three fringed lobes. There are between thirty and thirty-five [[stamen]]s. Flowering occurs in September and the fruit is |
''Elaeocarpus johnsonii'' is a small to medium-sized tree typically growing to a height of {{cvt|20|m}}, often with several [[Buttress root|buttressed]] trunks. Young branchlets are densely covered with woolly-brownish or velvety hairs. The leaves are mostly clustered at the ends of branchlets, hairy, elliptic to egg-shaped with the narrower end towards the base, mostly {{cvt|100–160|mm}} long and {{cvt|55–80|mm}} wide on a [[Petiole (botany)|petiole]] {{cvt|2–3|mm}} long. The flowers are arranged in racemes {{cvt|10–30|mm}} long with up to seven flowers on robust [[Pedicel (botany)|pedicels]] {{cvt|15–25|mm}} long. The flowers have five narrow triangular [[sepal]]s about {{cvt|16|mm}} and {{cvt|4|mm}} wide, densely hairy on the back. The five petals are about {{cvt|18|mm}} long and {{cvt|6|mm}} wide, the tips divided into two or three fringed lobes. There are between thirty and thirty-five [[stamen]]s. Flowering occurs in September and the fruit is a dark blue [[drupe]] with a waxy bloom and {{cvt|27–30|mm}} long.<ref name="RFK" /><ref name="Kew">{{cite journal |last1=Hyland |first1=Bernard |last2=Coode |first2=Mark J. |title=''Elaeocarpus'' in Australia and New Zealand |journal=Kew Bulletin |date=1984 |volume=39 |issue=3 |pages=523–524}}</ref> |
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==Taxonomy== |
==Taxonomy== |
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''Elaeocarpus johnsonii'' was first formally described in 1893 by [[Ferdinand von Mueller]] in the ''[[Journal of Botany, British and Foreign]]''.<ref name=APNI>{{cite web|title=''Elaeocarpus johnsonii''|url= https://id.biodiversity.org.au/instance/apni/9221223|publisher=APNI|access-date=17 February 2021}}</ref><ref name="F.Muell.">{{cite journal |last1=von Mueller |first1=Ferdinand |title=Notes on Papuan Plants |journal=Journal of Botany, British and Foreign |date=1893 |volume=31 |page=322 |url=https://www.biodiversitylibrary.org/item/109219#page/382/mode/1up |access-date=17 February 2021}}</ref> |
''Elaeocarpus johnsonii'' was first formally described in 1893 by [[Ferdinand von Mueller]] in the ''[[Journal of Botany, British and Foreign]]''.<ref name=APNI>{{cite web|title=''Elaeocarpus johnsonii''|url= https://id.biodiversity.org.au/instance/apni/9221223|publisher=APNI|access-date=17 February 2021}}</ref><ref name="F.Muell.">{{cite journal |last1=von Mueller |first1=Ferdinand |title=Notes on Papuan Plants |journal=Journal of Botany, British and Foreign |date=1893 |volume=31 |page=322 |url=https://www.biodiversitylibrary.org/item/109219#page/382/mode/1up |access-date=17 February 2021}}</ref> |
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The authorship of ''E. johnson'' is attributed to "F.Muell. ex [[C.T.White]]" by [[Plants of the World Online]] because White noted that he had been unable to find the place of publication.<ref name="POWO">{{cite web |title=''Elaeocarpus johnsonii'' |url= |
The authorship of ''E. johnson'' is attributed to "F.Muell. ex [[C.T.White]]" by [[Plants of the World Online]] because White noted that he had been unable to find the place of publication.<ref name="POWO">{{cite web |title=''Elaeocarpus johnsonii'' |url=https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:324170-1 |publisher=Plants of the World Online |access-date=17 February 2021}}</ref><ref name=APNI1>{{cite web|title=''Elaeocarpus johnsonii''|url= https://id.biodiversity.org.au/instance/apni/550558|publisher=APNI|access-date=17 February 2021}}</ref><ref name="C.T.White">{{cite journal |last1=White |first1=Cyril Tenison |title=Ligneous plants collected for the Arnold Arboretum in North Queensland by S.F. Kajewski in 1929 |journal=Contributions from the Arnold Arboretum of Harvard University |date=1933 |volume=4 |pages=67–68 |url=https://www.biodiversitylibrary.org/item/256895#page/77/mode/1up |access-date=17 February 2021}}</ref> |
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==Distribution and habitat== |
==Distribution and habitat== |
Latest revision as of 16:42, 18 September 2024
Kuranda quandong | |
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Scientific classification | |
Kingdom: | Plantae |
Clade: | Tracheophytes |
Clade: | Angiosperms |
Clade: | Eudicots |
Clade: | Rosids |
Order: | Oxalidales |
Family: | Elaeocarpaceae |
Genus: | Elaeocarpus |
Species: | E. johnsonii
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Binomial name | |
Elaeocarpus johnsonii |
Elaeocarpus johnsonii, commonly known as Kuranda quandong or Johnson's quandong,[2] is species of flowering plant in the family Elaeocarpaceae and is endemic to north-east Queensland. It is a small to medium-sized tree, often with several main stems, elliptic to egg-shaped leaves with the narrower end towards the base, racemes of up to seven flowers, the petals with fringed lobes, and dark blue fruit.
Description
[edit]Elaeocarpus johnsonii is a small to medium-sized tree typically growing to a height of 20 m (66 ft), often with several buttressed trunks. Young branchlets are densely covered with woolly-brownish or velvety hairs. The leaves are mostly clustered at the ends of branchlets, hairy, elliptic to egg-shaped with the narrower end towards the base, mostly 100–160 mm (3.9–6.3 in) long and 55–80 mm (2.2–3.1 in) wide on a petiole 2–3 mm (0.079–0.118 in) long. The flowers are arranged in racemes 10–30 mm (0.39–1.18 in) long with up to seven flowers on robust pedicels 15–25 mm (0.59–0.98 in) long. The flowers have five narrow triangular sepals about 16 mm (0.63 in) and 4 mm (0.16 in) wide, densely hairy on the back. The five petals are about 18 mm (0.71 in) long and 6 mm (0.24 in) wide, the tips divided into two or three fringed lobes. There are between thirty and thirty-five stamens. Flowering occurs in September and the fruit is a dark blue drupe with a waxy bloom and 27–30 mm (1.1–1.2 in) long.[2][3]
Taxonomy
[edit]Elaeocarpus johnsonii was first formally described in 1893 by Ferdinand von Mueller in the Journal of Botany, British and Foreign.[4][5]
The authorship of E. johnson is attributed to "F.Muell. ex C.T.White" by Plants of the World Online because White noted that he had been unable to find the place of publication.[6][7][8]
Distribution and habitat
[edit]Kuranda quandong grows in rainforest at altitudes from 600 to 1,300 m (2,000 to 4,300 ft) and is restricted to Thornton Peak, Mount Pieter Botte and Mount Bartle Frere, and adjacent areas in north-east Queensland.[2][3]
Ecology
[edit]Cassowaries eat fallen fruit of E. johnsonii and native rats eats the seeds.[2]
Conservation status
[edit]This quandong is listed as of "least concern" under the Queensland Government Nature Conservation Act 1992.[9]
References
[edit]- ^ "Elaeocarpus johnsonii". Australian Plant Census. Retrieved 16 February 2021.
- ^ a b c d F.A.Zich; B.P.M.Hyland; T.Whiffen; R.A.Kerrigan (2020). "Elaeocarpus johnsonii". Australian Tropical Rainforest Plants Edition 8 (RFK8). Centre for Australian National Biodiversity Research (CANBR), Australian Government. Retrieved 2 July 2021.
- ^ a b Hyland, Bernard; Coode, Mark J. (1984). "Elaeocarpus in Australia and New Zealand". Kew Bulletin. 39 (3): 523–524.
- ^ "Elaeocarpus johnsonii". APNI. Retrieved 17 February 2021.
- ^ von Mueller, Ferdinand (1893). "Notes on Papuan Plants". Journal of Botany, British and Foreign. 31: 322. Retrieved 17 February 2021.
- ^ "Elaeocarpus johnsonii". Plants of the World Online. Retrieved 17 February 2021.
- ^ "Elaeocarpus johnsonii". APNI. Retrieved 17 February 2021.
- ^ White, Cyril Tenison (1933). "Ligneous plants collected for the Arnold Arboretum in North Queensland by S.F. Kajewski in 1929". Contributions from the Arnold Arboretum of Harvard University. 4: 67–68. Retrieved 17 February 2021.
- ^ "Species profile — Elaeocarpus johnsonii (Kuranda quandong)". Queensland Government Department of Environment and Science. Retrieved 17 February 2021.