Coastal paperbark
Melaleuca acacioides near mangroves and Cooktown Cemetery, Queensland
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Myrtales
Family: Myrtaceae
Genus: Melaleuca
Species:
M. acacioides
Binomial name
Melaleuca acacioides
Synonyms[1]

Melaleuca acacioides, commonly known as coastal paperbark[2] and as lunyamad by the Bardi people,[3] is a plant in the myrtle family Myrtaceae, and is native to the far north of Australia and the island of New Guinea. It is closely related to Melaleuca alsophila and Melaleuca citrolens, being differentiated from them by the number of flowers in a group. In this species, they are in groups of three (called triads). It is a small to medium-sized tree, sometimes with several trunks when growing in the open. It usually grows in areas with saline soils that are regularly flooded, often near mangroves.

Distribution of M. acadioides

Description

Melaleuca acacioides is a tree, usually with white or grey papery bark, sometimes growing as high as 10 m (30 ft). The young growth is covered with rather long, soft hairs. Its leaves are arranged alternately on the stems, and are 23–70 mm (0.9–3 in) long and 6–14 mm (0.2–0.6 in) wide, glabrous when mature, narrow oval in shape, sometimes with a small point on the end and with many distinct oil glands.[4]

The flowers are white to cream and arranged in spikes, sometimes at the tips of the branches and sometimes in the leaf axils. Each spike contains 2 to 10 groups of flowers in threes. The stamens are arranged in five bundles around the flower and each bundle contains 6 or 7 stamens. Flowers appear in winter and spring and are followed by woody capsules 1.6–2.3 mm (0.06–0.09 in) long grouped in clusters along the stem.[4][5]

Flowers
Foliage
Fruit

Taxonomy and naming

Melaleuca acacioides was first described in 1862 by Ferdinand von Mueller in Fragmenta Phytographiae Australiae.[6][7] The specific epithet (acacioides) is a reference to the similarity of the leaves to those of some Acacia species.[4] The ending -oides is a Latin suffix meaning "resembling" or "having the form of".[8]

In 1986, the genus Melaleuca was reviewed by Bryan Barlow and Melaleuca acacioides was separated into three groups - a new species, Melaleuca citrolens and two subspecies:[9]

Distribution and habitat

Melaleuca acacioides occurs from western Arnhem Land in the Northern Territory to Cape York Peninsula in Australia, and on the island of New Guinea. It grows on the landward side of mangroves and samphire in slightly saline soils.[4]

Uses

Traditional uses

Aboriginal people used the leaves of Melaleuca acacioides (and of M. argentea and M. leucadendra) as flavouring in cooking. "Bee bread" (produced from pollen) and honey were foods collected from native bee hives prevalent in swamp forests, including those of Melaleuca acacioides.[12][13]

Essential oils

Selinenes, which are an important part of celery seed oil, are major components of the essential oils extracted from the leaves of this species.[4][14]

Other uses

The timber of Melaleuca acadioides is strong and dark coloured.[15] The trunks may have a use as small poles and as fuel. Melaleuca acacioides may also be useful as a windbreak in difficult coastal situations.[14]

See also

References

  1. 1 2 "Melaleuca acacioides". Plants of the World Online. Retrieved 11 November 2022.
  2. ↑ "Melaleuca acacioides". FloraBase. Western Australian Government Department of Biodiversity, Conservation and Attractions.
  3. ↑ Smith, Moya; Kalotas, Arpad C. (1985). "Bardi Plants: An Annotated List of Plants and Their Use by the Bardi Aborigines of Dampierland, in North-western Australia" (PDF). Records of the Western Australian Museum. 12 (3): 356. Retrieved 30 August 2015.
  4. 1 2 3 4 5 Brophy, Joseph J.; Craven, Lyndley A.; Doran, John C. (2013). Melaleucas : their botany, essential oils and uses (PDF). Canberra: Australian Centre for International Agricultural Research. p. 65. ISBN 9781922137517. Retrieved 30 August 2015.
  5. ↑ Holliday, Ivan (2004). Melaleucas : a field and garden guide (2nd ed.). Frenchs Forest, N.S.W.: Reed New Holland Publishers. p. 14. ISBN 1876334983.
  6. ↑ "Melaleuca acacioides". APNI. Retrieved 23 July 2015.
  7. ↑ von Mueller, Ferdinand (1862). Fragmenta Phytographiae Australiae (Volume 3). Melbourne. p. 116. Retrieved 9 August 2015.{{cite book}}: CS1 maint: location missing publisher (link)
  8. ↑ Brown, Roland Wilbur (1956). The Composition of Scientific Words. Washington, D.C.: Smithsonian Institution Press. p. 483.
  9. ↑ Barlow, Bryan A. (1986). "Contributions to a revision of Melaleuca (Myrtaceae): 1—3". Australian Systematic Botany. 9 (2): 163. doi:10.1071/BRU9860163. Retrieved 3 March 2015.
  10. ↑ "Melaleuca acacioides subsp.acacioides". APNI. Retrieved 26 July 2015.
  11. ↑ "Melaleuca acacioides subsp. alsophila". APNI. Retrieved 26 July 2015.
  12. ↑ Brophy, Joseph J.; Craven, Lyndley A.; Doran, John C. (2013). Melaleucas : their botany, essential oils and uses (PDF). Canberra: Australian Centre for International Agricultural Research. p. 33. ISBN 9781922137517. Archived from the original (PDF) on 28 May 2015. Retrieved 3 March 2015.
  13. ↑ Williams, Cheryll (2010). Medicinal plants in Australia. Kenthurst, N.S.W.: Rosenberg Publishing. p. 200. ISBN 9781877058790. Retrieved 7 April 2015.
  14. 1 2 Southwell, Ian; Lowe, Robert (1999). Tea Tree the Genus Melaleuca. London: CRC Press. p. 241. ISBN 0203303601. Retrieved 25 July 2015.
  15. ↑ Maiden, Joseph Henry (1889). The Useful Native Plants of Australia. Ludgate Hill: Trubner and Co. p. 568. Retrieved 30 August 2015.
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