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Melaleuca rugulosa

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(Redirected from Callistemon coccineus) Species of plant

Scarlet bottlebrush
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Myrtales
Family: Myrtaceae
Genus: Melaleuca
Species: M. rugulosa
Binomial name
Melaleuca rugulosa
(Link) Craven
Synonyms
  • Callistemon coccineus F.Muell.
  • Callistemon coccineus var. laevifolius F.Muell.
  • Callistemon laevifolius (F.Muell. ex Miq.) Cheel
  • Callistemon macropunctatus (Dum.Cours.) Court
  • Callistemon macropunctatus var. laevifolius (F.Muell. ex Miq.) H.Eichler
  • Callistemon rugulosus Miq.
  • Callistemon rugulosus (Link) DC.
  • Callistemon rugulosus var. laevifolius F.Muell. ex Miq.
  • Callistemon rugulosus var. scaber (G.Lodd.) Heynh.
  • Callistemon scaber G.Lodd.
  • Metrosideros macropunctata Dum.Cours.
  • Metrosideros rugulosa Link
  • Metrosideros scabra Colla

Melaleuca rugulosa, commonly known as scarlet bottlebrush, is a plant in the myrtle family, Myrtaceae and is endemic to South Australia and Victoria in Australia. (Some Australian state herbaria continue to use the name Callistemon rugulosus. Callistemon coccineus and Callistemon macropunctatus are older names for Callistemon rugulosus.) It is a shrub with an open straggly habit, stiff, sharply pointed leaves and bright red bottlebrush flowers tipped with yellow in summer.

Description

Melaleuca rugulosa is a shrub growing to 5 m (20 ft) high with an open, straggling habit and peeling grey bark. Its leaves are arranged alternately and are 21–86 mm (0.8–3 in) long, 2.5–8.5 mm (0.1–0.3 in) wide, flat, thick, rigid, narrow elliptic to egg-shaped with the narrower end near the base and have a sharp point. There is a mid-vein, marginal veins and 7–13 indistinct lateral veins. The young leaves and branches are often covered with dense, silky hairs.

The flowers are a shade of red to purple, tipped with yellow and are arranged in spikes around the branches that continue to grow after flowering. The spikes are 40–65 mm (2–3 in) in diameter and 50–80 mm (2–3 in) long with 18 to 60 individual flowers. The petals are 4.4–6.8 mm (0.2–0.3 in) long and fall off as the flower ages and there are 34-63 stamens in each flower. Flowering occurs from November to December, sometimes in other months and is followed by fruit that are woody capsules, 4.5–6.5 mm (0.2–0.3 in) long.

Cultivated specimen in Palmetum of Santa Cruz de Tenerife

Taxonomy and naming

Melaleuca rugulosa was first named in 2006 by Lyndley Craven in Novon when Callistemon rugulosus was transferred to the present genus. It was first formally described in 1822 as Metrosideros rugulosa by Johann Heinrich Friedrich Link in Enumeratio Plantarum Horti Regii Berolinensis Altera. The specific epithet (rugulosa) is from the Latin word ruga meaning "crease" or "wrinkle" but the reason for this naming is unclear.

Callistemon rugulosus is regarded as a synonym of Melaleuca rugulosa by the Royal Botanic Gardens, Kew.

Distribution and habitat

This melaleuca occurs from the south east corner of South Australia including the Eyre Peninsula to western Victoria. It is found in mallee scrubs and low open woodland in the northern Grampians, the Big Desert, the Little Desert, and the Mount Lofty Ranges. Within these areas it is found in sandy depressions and near watercourses in soils that are seasonally moist. It grows in shrubland and forest near swamps and watercourses.

References

  1. ^ "Melaleuca rugulosa". Plants of the World Online. Retrieved 6 September 2021.
  2. Udovicic, Frank; Spencer, Roger (2012). "New combinations in Callistemon (Myrtaceae)" (PDF). Muelleria. 30 (1): 23–25. doi:10.5962/p.292240. S2CID 251007557. Retrieved 16 July 2015.
  3. "Callistemon 'Harkness'". Australian Cultivar Registration Authority. Retrieved 20 July 2015.
  4. "Plant Name Changes". Australian Native Plants Society Australia. Retrieved 20 July 2015.
  5. ^ Brophy, Joseph J.; Craven, Lyndley A.; Doran, John C. (2013). Melaleucas : their botany, essential oils and uses. Canberra: Australian Centre for International Agricultural Research. p. 309. ISBN 9781922137517.
  6. ^ "Callistemon rugulosus". Electronic Flora of South Australia. Retrieved 31 March 2020.
  7. "Melaleuca rugulosa". APNI. Retrieved 16 July 2015.
  8. Craven, Lyn A. (2006). "New Combinations in Melaleuca for Australian Species of Callistemon (Myrtaceae)". Novon. 16 (4): 473. doi:10.3417/1055-3177(2006)16[468:NCIMFA]2.0.CO;2. S2CID 84723155. Retrieved 16 July 2015.
  9. "Metrosideros rugulosa". APNI. Retrieved 16 July 2015.
  10. Link, Heinrich Friedrich (1822). Enumeratio Plantarum Horti Regii Berolinensis Altera (Volume 2). Berlin. p. 27. Retrieved 3 September 2015.
  11. Brown, Roland Wilbur (1956). The Composition of Scientific Words. Washington, D.C.: Smithsonian Institution Press. p. 340.
  12. "Callistemon rugulosus". World Checklist of Selected Plant Families (WCSP). Royal Botanic Gardens, Kew.
  13. Costermans, L. (1981). Native Trees and Shrubs of South-eastern Australia. Australia: Rigby. ISBN 072701403X.
Taxon identifiers
Melaleuca rugulosa
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