Melaleuca barlowii

Melaleuca barlowii is a plant in the myrtle family, Myrtaceae and is endemic to the south-west of Western Australia. It is similar to a number of other Western Australian melaleucas such as M. conothamnoides with its purple pom-pom flower heads but is a more erect shrub with different leaves and the fruiting clusters have a different shape.

Melaleuca barlowii

Priority Three — Poorly Known Taxa (DEC)
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Myrtales
Family: Myrtaceae
Genus: Melaleuca
Species:
M. barlowii
Binomial name
Melaleuca barlowii

Description

Melaleuca barlowii grows to a height of 2.6 m (9 ft) with stems and leaves that are glabrous except when very young. Its leaves are arranged alternately, narrow oval or narrow elliptic in shape, 19.5–41 mm (0.8–2 in) long, 3–8.5 mm (0.1–0.3 in) wide tapering to a point.[2]

The flowers are a shade of pink to purple and arranged in heads or short spikes on the ends of branches which continue to grow after flowering, sometimes also in the upper leaf axils. The heads are up to 30 mm (1 in) in diameter and contain between 10 and 15 groups of flowers in threes. The stamens are arranged in bundles of five around the flower, with 9 to 11 stamens in each bundle. The flowering season is November and December and is followed by fruit which are woody capsules 3.5–4 mm (0.1–0.2 in) long in an oval-shaped cluster around the stems.[2][3]

Taxonomy and naming

Melaleuca barlowii was first formally described in 1999 by Lyndley Craven and Brendan Lepschi in Australian Systematic Botany from a specimen collected near Tardun.[4][5] The specific epithet (barlowii) is in honour of Bryan Alwyn Barlow, melaleuca specialist and expert in the mistletoe family, Loranthaceae.[2]

Distribution and habitat

This melaleuca occurs in the Mullewa and Perenjori districts[2] in the Avon Wheatbelt and Yalgoo biogeographic regions.[6] It grows in sand and clay loam in shrubland and in roadside reserves.[7]

Conservation status

Melaleuca barlowii is listed as "Priority Three" by the Government of Western Australia Department of Parks and Wildlife,[6] meaning that it is known from only a few locations and is not currently in imminent danger.[8]

References
  1. "Melaleuca barlowii". Plants of the World Online. Retrieved 25 August 2021.
  2. 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. 85. ISBN 9781922137517.
  3. Holliday, Ivan (2004). Melaleucas : a field and garden guide (2nd ed.). Frenchs Forest, N.S.W.: Reed New Holland Publishers. pp. 64–65. ISBN 1876334983.
  4. Craven, L. A.; Lepschi, B. J. (1999). "Enumeration of the species and infraspecific taxa of Melaleuca (Myrtaceae) occurring in Australia and Tasmania". Australian Systematic Botany. 12 (6): 861. doi:10.1071/SB98019.
  5. "Melaleuca barlowii". APNI. Retrieved 29 April 2015.
  6. "Melaleuca barlowii". FloraBase. Retrieved 30 April 2015.
  7. Paczkowska, Grazyna; Chapman, Alex R. (2000). The Western Australian flora : a descriptive catalogue. Perth: Wildflower Society of Western Australia. p. 391. ISBN 0646402439.
  8. "Conservation codes for flora and fauna" (PDF). Government of Western Australia department of parks and wildlife. Archived from the original (PDF) on 5 April 2018. Retrieved 30 April 2015.
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