Melaleuca brachyandra

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.)[2] 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.

Prickly bottlebrush
Melaleuca brachyandra growing in Morgan
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Myrtales
Family: Myrtaceae
Genus: Melaleuca
Species:
M. brachyandra
Binomial name
Melaleuca brachyandra
Synonyms[1]
  • Callistemon acerosus Miq.
  • Callistemon arborescens F.Muell.
  • Callistemon brachyandrus Lindl.

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.[3][4]

The flowers are arranged in spikes on the ends of branches that 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 that are woody capsules, 9–12.4 mm (0.4–0.5 in) long.[3][4]

Taxonomy and naming

Melaleuca brachyandra was first formally described in 2006 by Lyndley Craven in Novon.[5][6] It had previously been known as Callistemon brachyandrus since John Lindley described it in 1849 in Journal of the Horticultural Society of London.[7][8] The specific epithet (brachyandra) is derived from the ancient Greek words brachys (βραχύς), meaning "short" and anēr, genitive andros (ἀνήρ, genitive ἀνδρός), meaning "male",[9] referring to the length of the stamens being shorter than the styles.[3]

Callistemon brachyandrus is regarded as a synonym of Melaleuca brachyandra by the Royal Botanic Gardens, Kew.[10]

Distribution and habitat

Melaleuca brachyandra occurs in scattered inland areas of New South Wales, mostly commonly in the Cobar district.[4] 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.[3] It is usually more resistant to pests than other species of the former Callistemon.[11] It prefers well-drained soil in a sunny situation.[12]

References
  1. "Melaleuca brachyandra". Plants of the World Online. Retrieved 25 August 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 11 June 2015.
  3. 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.
  4. "Callistemon brachyandrus". Royal Botanic Garden Sydney: PlantNet. Retrieved 11 June 2015.
  5. "Melaleuca brachyandra". APNI. Retrieved 1 June 2015.
  6. 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. S2CID 84723155. Retrieved 11 June 2015.
  7. 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.
  8. "Callistemon brachyandrus". APNI. Retrieved 11 June 2015.
  9. Backer, C.A. (1936). Verklarend woordenboek der wetenschappelijke namen van de in Nederland en Nederlandsch-Indië in het wild groeiende en in tuinen en parken gekweekte varens en hoogere planten (Edition Nicoline van der Sijs).
  10. "Callistemon brachyandrus". World Checklist of Selected Plant Families (WCSP). Royal Botanic Gardens, Kew.
  11. "Callistemon brachyandrus". Australian National Botanic Garden. Retrieved 11 June 2015.
  12. 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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