Melaleuca bracteosa

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Melaleuca bracteosa
Melaleuca bracteosa (foliage and flowers).JPG
Scientific classification Red Pencil Icon.png
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Myrtales
Family: Myrtaceae
Genus: Melaleuca
Species:
M. bracteosa
Binomial name
Melaleuca bracteosa

Melaleuca bracteosa is a low, spreading shrub in the myrtle family, Myrtaceae and is endemic to the south-west of Western Australia. It has tiny, fleshy, non-prickly leaves and cream flowerheads.

Contents

Description

Melaleuca bracteosa is sometimes an erect shrub to a height of 1.5 metres (5 ft) but is more usually a low, dense spreading shrub to about 0.5 m (2 ft). Its leaves are narrow oval in shape, 2.7–9 mm (0.1–0.4 in) long and 0.9–1.5 mm (0.04–0.06 in), glabrous, bright green and fleshy with a blunt tip.

The flowers are usually bright cream coloured but sometimes white or mauve-pink. They are in heads, sometimes on the ends of branches and sometimes on the sides of the stem, each head about 16 mm (0.6 in) in diameter and containing 5 to 20 individual flowers. The stamens are arranged in five bundles around the flower, each bundle containing 3 to 8 stamens. The flowering season lasts from August to November and is followed by fruit which are woody capsules 2.4–3.2 mm (0.09–0.1 in) long. [2] [3]

Habit at Cape Riche Melaleuca bracteosa (habit).JPG
Habit at Cape Riche
Fruit Melaleuca bracteosa fruits.JPG
Fruit

Taxonomy and naming

This species was first formally described in 1847 by the Russian botanist Nikolai Turczaninow in Bulletin de la classe physico-mathematique de l'Academie Imperiale des sciences de Saint-Petersburg. [4] [5] The specific epithet (bracteosa) is from the Latin bractea, meaning bract, referring to the persistent bracts of the flowers. [3]

Distribution and habitat

This melaleuca occurs from the Pingrup district south to Albany and east to Ravensthorpe in the Avon Wheatbelt, Esperance Plains, Jarrah Forest and Mallee biogeographic regions. [6] It grows in sand, loam or clay on winter-wet flats or plains [7] often under low trees or tall shrubs. [2]

Conservation status

Melaleuca bracteosa is classified as "not threatened" by the Government of Western Australia Department of Parks and Wildlife. [6]

Uses

Essential oils

This species produces sesquiterpene oils at a rate of 0.3% (weight for weight) from fresh leaves. [3]

Related Research Articles

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<i>Melaleuca lateralis</i> Species of shrub

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<i>Melaleuca macronychia</i> Species of shrub

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<i>Melaleuca lutea</i> Species of flowering plant

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<i>Melaleuca rigidifolia</i> Species of shrub

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<i>Melaleuca sparsiflora</i> Species of shrub

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<i>Melaleuca subfalcata</i> Species of shrub

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<i>Melaleuca thyoides</i> Species of flowering plant

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<i>Beaufortia puberula</i> Species of flowering plant

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<i>Conothamnus aureus</i> Species of flowering plant

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<i>Leptospermum incanum</i> Species of shrub

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<i>Leptospermum nitens</i> Species of shrub

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<i>Leptospermum oligandrum</i> Species of shrub

Leptospermum oligandrum is a species of erect, spreading shrub that is endemic to the south-west of Western Australia. It has broadly egg-shaped to wedge-shaped leaves, white flowers arranged singly or in groups of up to three on the ends of short side branches and fruit that fall from the plant shortly after the seeds are released.

References

  1. "Melaleuca bracteosa". Australian Plant Census. Retrieved 3 October 2019.
  2. 1 2 Holliday, Ivan (2004). Melaleucas : a field and garden guide (2nd ed.). Frenchs Forest, N.S.W.: Reed New Holland Publishers. pp. 32–33. ISBN   1876334983.
  3. 1 2 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. 96. ISBN   9781922137517.
  4. "Melaleuca bracteosa". APNI. Retrieved 11 March 2015.
  5. Turczaninow, Nikolai (1852). Bulletin de la classe physico-mathematique de l'Academie Imperiale des sciences de Saint-Petersburg, Volumes 10-11. St. Petersburg. p. 340. Retrieved 15 March 2015.
  6. 1 2 "Melaleuca bracteosa". FloraBase . Western Australian Government Department of Parks and Wildlife.
  7. Paczkowska, Grazyna; Chapman, Alex R. (2000). The Western Australian flora : a descriptive catalogue. Perth: Wildflower Society of Western Australia. p. 392. ISBN   0646402439.