Melaleuca viminalis
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Melaleuca viminalis, also referred to as Callistemon viminalis in Australia[a] and commonly known as weeping bottlebrush, creek bottlebrush or drooping bottlebrush,[4] is a species of flowering plant in the myrtle family Myrtaceae, and is endemic to eastern Australia but naturalised in other states and introduced to some other countries. It is a multi-trunked, large shrub or tree with hard bark, often pendulous foliage and large numbers of bright red bottlebrush flowers in spring and summer. It is one of the most commonly cultivated of the bottlebrushes, and its cultivars are often grown in many countries.[5]
Description
Melaleuca viminalis is a large shrub or small tree growing to 10 m (30 ft) tall with hard, fibrous, furrowed bark, a number of trunks and usually pendulous branches. Its leaves are arranged alternately and are 25–138 mm (1–5 in) long, 3–27 mm (0.1–1 in) wide, more or less flat, very narrow elliptical to narrow egg-shaped with the narrower end towards the base and the other end tapering to a sharp point. The leaves have a mid-vein, 9-27 lateral veins and large number of conspicuous oil glands.[4][6][7][8][5]
The flowers are bright red and are arranged in spikes on and around the ends of branches that continue to grow after flowering. The spikes are 35–50 mm (1–2 in) in diameter and 40–100 mm (2–4 in) long with 15 to 50 individual flowers. The petals are 3.4–5.9 mm (0.1–0.2 in) long and fall off as the flower ages and the stamens are arranged in five bundles around the flower. The bundles are sometimes obscure but each contains 9 to 14 stamens. Flowering occurs from September to December and often sporadically throughout the year. Flowering is followed by fruit which are woody capsules, 3.8–4.8 mm (0.1–0.2 in) long and 5–6 mm (0.20–0.24 in) in diameter.[4][6][7][8][5]
Taxonomy and naming
This species was first formally described in 1788 by Joseph Gaertner, who gave it the name Metrosideros viminalis in De Fructibus et Seminibus Plantarum.[9][10] In 1984, Norman Brice Byrnes transferred the species to Melaleuca as M. viminalis in the journal Austrobaileya.[1][11]
In 2009, Lyndley Craven described Melaleuca viminalis subsp. rhodendron in the journal Novon, and the name, and that of the autonym, are accepted by Plants of the World Online:
- Melaleuca viminalis subsp. rhododendron Craven,[12] a single-stemmed tree growing to 35 metres (100 ft) high, that flowers mostly in September and October, and occurs only in the Injune district in Queensland.[6][13]
- Melaleuca viminalis (Sol. ex Gaertn.) Byrnes subsp. viminalis,[14] is a multi-trunked shrub or small tree growing to 15 metres (50 ft) high and which often flowers throughout the year.[6][13]
The specific epithet (viminalis) means "having long, slender branches".[6]
The Australian Plant Census regards Metrosideros viminalis, Melaleuca viminalis, Melaleuca viminalis subsp. viminalis and Callistemon viminalis subsp. viminalis as synonyms of Callistemon viminalis.[15]
Distribution and habitat
This melaleuca occurs along the eastern part of Queensland from the Cape York Peninsula south to Moree and Grafton in New South Wales. The species has apparently been collected in Western Australia in 1991,[16] but the Western Australian Herbarium considers the species "alien to Western Australia".[17] It mostly grows in and along watercourses, mainly in sandstone or granite country.[6][7][17]
Plants of the World Online records M. viminalis as native to New South Wales and Queensland, and introduced to The Bahamas, the Balearic Islands, California, the Canary Islands, El Salvador, Florida, India, Kenya, Madeira and Tanzania.[18]
Ecology
Melaleuca viminalis provides food for nectivores. Its adaptations to survive strong currents during flood events allow it to slow the flow of floodwater and reduce erosion, thereby improving the water quality in streams and rivers. The matted roots of this species also strengthen the soil of riverbanks, further reducing the potential for erosion.[19]
Use in horticulture
A widely grown garden plant and street tree, usually known as Callistemon viminalis, the species is extremely adaptable in cultivation, flowering best in full sun but shade tolerant with reduced flowering, and growing in most soils.[5][4] It is useful as a screening plant and is suitable for planting as a street tree.[20] It needs regular watering but can survive drought as a mature plant although it is not frost hardy and will succumb to salt spray.[5][4]
Many cultivars of this species have been developed as cultivars of Callistemon. They include:[4]
- C. viminalis 'Captain Cook' - a dwarf, compact shrub Template:Cvt high.
- C. viminalis 'Dawson River Weeper' – a fast-growing, rounded shrub up to Template:Cvt high and wide with an exceptionally weeping habit.
- C. viminalis 'Hannah Ray' – a shrub Template:Cvt tall and Template:Cvt wide with scarlet brushes.
- C. viminalis 'Hen Camp Creek' – a shrub Template:Cvt high and Template:Cvt wide.
- C. viminalis 'Prolific' – a small, fast-growing tree, Template:Cvt high and Template:Cvt wide.
- C. viminalis 'Rose Opal' – a compact, dense shrub Template:Cvt high.
- C. viminalis 'Wild River' – a semi-weeping form Template:Cvt high and Template:Cvt wide.
Notes
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References
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- ^ a b c Page Module:Citation/CS1/styles.css has no content."Melaleuca viminalis". Plants of the World Online. Retrieved 14 September 2021.
- ^ Template:Cite iucn
- ^ Page Module:Citation/CS1/styles.css has no content.Udovicic, Frank; Spencer, Roger (2012). "New combinations in Callistemon (Myrtaceae)". Muelleria. 30 (1): 23–25. doi:10.5962/p.292240. S2CID 251007557. Retrieved 13 December 2024.
- ^ a b c d e f Page Module:Citation/CS1/styles.css has no content.Jackson, Ron (1982). "Callistemon viminalis". Australian National Botanic Garden. Retrieved 17 July 2015.
- ^ a b c d e Page Module:Citation/CS1/styles.css has no content."Callistemon viminalis". Australian Native Plants Society Australia. Retrieved 29 December 2024.
- ^ a b c d e f Page Module:Citation/CS1/styles.css has no content.Brophy, Joseph J.; Craven, Lyndley A.; Doran, John C. (2013). Melaleucas : their botany, essential oils and uses. Canberra: Australian Centre for International Agricultural Research. pp. 378–379. ISBN 9781922137517.
- ^ a b c Page Module:Citation/CS1/styles.css has no content.Spencer, Roger; Lumley, Peter. "Callistemon viminalis". Royal Botanic Garden Sydney: Plantnet. Retrieved 17 July 2015.
- ^ a b Page Module:Citation/CS1/styles.css has no content.F.A.Zich; B.P.M.Hyland; T.Whiffen; R.A.Kerrigan (2020). "Melaleuca viminalis". Australian Tropical Rainforest Plants Edition 8 (RFK8). Centre for Australian National Biodiversity Research (CANBR), Australian Government. Retrieved 24 June 2021.
- ^ Page Module:Citation/CS1/styles.css has no content."Metrosideros viminalis". Plants of the World Online. Retrieved 3 February 2023.
- ^ Page Module:Citation/CS1/styles.css has no content.Gaertner, Joseph (1788). De Fructibus et Seminibus Plantarum. Stuttgart. p. 171. Retrieved 3 February 2023.
- ^ Page Module:Citation/CS1/styles.css has no content.Byrnes, Norman B. (1984). "A Revision of Melaleuca L. (Myrtaceae) in Northern and Eastern Australia, 1". Austrobaileya. 2 (1): 75. Retrieved 3 February 2023.
- ^ Page Module:Citation/CS1/styles.css has no content."Melaleuca viminalis subsp. rhododendron". Plants of the World Online. Retrieved 3 February 2023.
- ^ a b Page Module:Citation/CS1/styles.css has no content.Craven, Lyn A. (2009). "Melaleuca (Myrtaceae) from Australia". Novon. 19: 449. doi:10.3417/2007008. S2CID 85017631. Retrieved 3 February 2023.
- ^ Page Module:Citation/CS1/styles.css has no content."Melaleuca viminalis subsp. viminalis". Plants of the World Online. Retrieved 3 February 2023.
- ^ Page Module:Citation/CS1/styles.css has no content."Callistemon viminalis". Australian Plant Census. Retrieved 3 February 2023.
- ^ Page Module:Citation/CS1/styles.css has no content."Search: species: Melaleuca viminalis - within 50 km of point(-15.887, 125.684) | Occurrence records". Australasian Virtual Herbarium. Australian Government. Retrieved 4 August 2025.
- ^ a b Page Module:Citation/CS1/styles.css has no content."Melaleuca viminalis". FloraBase. Western Australian Government Department of Biodiversity, Conservation and Attractions.Script error: No such module "EditAtWikidata".
- ^ Page Module:Citation/CS1/styles.css has no content."Melaleuca viminalis". Plants of the World Online. Retrieved 5 August 2025.
- ^ Page Module:Citation/CS1/styles.css has no content."Weeping bottlebrush" (PDF). Ipswich City Council. Retrieved 17 July 2015.
- ^ Page Module:Citation/CS1/styles.css has no content.Wrigley, John W.; Fagg, Murray (1983). Australian native plants : a manual for their propagation, cultivation and use in landscaping (2nd ed.). Sydney: Collins. p. 194. ISBN 0002165759.
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