Melaleuca brachyandra

Melaleuca brachyandra
M. brachyandra at the University of California Sant Cruz arboretum
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Rosids
Order: Myrtales
Family: Myrtaceae
Genus: Melaleuca
Species: M. brachyandra
Binomial name
Melaleuca brachyandra
(Lindl.) Craven
Synonyms

Callistemon brachyandrus Lindl.

Melaleuca brachyandra commonly known as prickly bottlebrush or scarlet bottlebrush is a plant in the myrtle family, Myrtaceae and is endemic to New South Wales, Victoria and South Australia in Australia. (Some Australian state herbaria continue to use the name Callistemon brachyandrus.[1]) It is a shrub or small tree with narrow leaves and showy red and green flowers making it an ideal ornamental plant in temperate areas.

Description

Melaleuca brachyandra is a shrub growing to 1.5–8 m (5–30 ft) tall with hard bark and a rigid habit. Its leaves are arranged alternately and are 18–61 mm (0.7–2 in) long, 0.5–1.7 mm (0.02–0.07 in) wide, linear in shape, kidney-shaped in cross section and with the end tapering to a sharp point.[2][3]

The flowers are arranged in spikes on the ends of branches which continue to grow after flowering. The spikes are up to 35 mm (1 in) in diameter with 7 to 36 individual flowers. The petals are 2.8–4.9 mm (0.1–0.2 in) long and fall off as the flower ages. There are 50 to 84 stamens in each flower, with their "stalks" (the filaments) rich crimson and "tips" (the anthers) green. Flowering occurs from September to January and is followed by fruits which are woody capsules, 9–12.4 mm (0.4–0.5 in) long.[2][3]

Taxonomy and naming

Melaleuca brachyandra was first formally described in 2006 by Lyndley Craven in Novon.[4][5] It had previously been known as Callistemon brachyandrus since John Lindley described it in 1849 in Journal of the Horticultural Society of London.[6][7] The specific epithet (brachyandra) is from the Ancient Greek brachys meaning “short”[8]:161 and andros meaning "male"[8]:509 referring to the length of the stamens being shorter than the styles.[2]

Distribution and habitat

Melaleuca brachyandra occurs in scattered inland areas of New South Wales, mostly commonly in the Cobar district.[3] It also occurs in the lower Murray River districts of north-western Victoria and south-eastern South Australia.

Use in horticulture

Although it has prickly leaves, the attractive flower spikes of M. brachyandra make it a suitable ornamental for temperate gardens.[2] It is usually more resistant to pests than other species of the former Callistemon.[9] It prefers well-drained soil in a sunny situation.[10]

References

  1. Udovicic, Frank; Spencer, Roger (2012). "New combinations in Callistemon (Myrtaceae)" (PDF). Muelleria. 30 (1): 23–25. Retrieved 11 June 2015.
  2. 1 2 3 4 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. 93. ISBN 9781922137517.
  3. 1 2 3 "Callistemon brachyandrus". Royal Botanic Garden Sydney: PlantNet. Retrieved 11 June 2015.
  4. "Melaleuca brachyandra". APNI. Retrieved 1 June 2015.
  5. Craven, Lyn A. (2006). "New Combinations in Melaleuca for Australian Species of Callistemon (Myrtaceae)". Novon. 16 (4): 468–475. doi:10.3417/1055-3177(2006)16[468:ncimfa]2.0.co;2. Retrieved 11 June 2015.
  6. Lindley, John (1849). "New Plants etc. from the Society's Garden". Journal of the Horticultural Society of London. 4: 112–113. Retrieved 11 June 2015.
  7. "Callistemon brachyandrus". APNI. Retrieved 11 June 2015.
  8. 1 2 Brown, Roland Wilbur (1956). The Composition of Scientific Words. Washington, D.C.: Smithsonian Institution Press.
  9. "Callistemon brachyandrus". Australian National Botanic Garden. Retrieved 11 June 2015.
  10. Wrigley, John W.; Fagg, Murray (1983). Australian native plants : a manual for their propagation, cultivation and use in landscaping (2nd ed.). Sydney: Collins. p. 191. ISBN 0002165759.
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