Melaleuca fissurata

Melaleuca fissurata is a plant in the myrtle family, Myrtaceae and is endemic to the south-west of Western Australia. It is a shrub with rough bark, dished leaves and heads of white or yellow flowers in spring. It is closely related to Melaleuca lateriflora but differs from it in having roughly textured, corky fruit and shorter, convex shaped leaves.

Melaleuca fissurata

Priority Four — Rare Taxa (DEC)
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Myrtales
Family: Myrtaceae
Genus: Melaleuca
Species:
M. fissurata
Binomial name
Melaleuca fissurata
Barlow

Description

Melaleuca fissurata is a shrub growing up to 4 m (10 ft) tall with rough bark. Its leaves are arranged alternately, 3–5 mm (0.1–0.2 in) long and 1.5–3 mm (0.06–0.1 in) wide and broadly elliptical in shape. In cross section the leaves are concave or dished.[1][2]

The white or yellow flowers are arranged in heads on the sides of the branches. The heads are up to 25 mm (0.98 in) in diameter and contain one to 5 individual flowers. The petals are 2–4.7 mm (0.08–0.2 in) long and fall after the flower opens. The stamens are arranged in five bundles around the flower, each bundle containing 10 to 16 stamens. Flowers appear in early spring and are followed by fruit which are woody capsules 5–7 mm (0.2–0.3 in) long and roughly textured on the outside.[1][2]

Taxonomy and naming

Melaleuca fissurata was first formally described in 1986 by Bryan Barlow in Nuytsia as a new species.[3][4] The specific epithet (fissurata) is from the Latin fissura meaning "crack" or "cleft", referring to the cracked surface of the fruit.[2]

Distribution and habitat

Melaleuca fissurata is found between the Hyden and Scaddan districts[2] in the Mallee biogeographic region.[5] It grows in sand and sandy loam on samphire flats and salt pans.

Conservation status

This species is classified "Priority Four" by the Government of Western Australia Department of Parks and Wildlife[5] meaning that it is "rare, threatened or ... in need of monitoring".[6] It is included in the IUCN red list of threatened plants, classified as "rare".[7]

References
  1. Holliday, Ivan (2004). Melaleucas : a field and garden guide (2nd ed.). Frenchs Forest, N.S.W.: Reed New Holland Publishers. p. 160. ISBN 1876334983.
  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. 166. ISBN 9781922137517.
  3. "Melaleuca fissurata". APNI. Retrieved 31 March 2015.
  4. Quinn, F.C.; Cowley, K.J.; Barlow, B.A.; Thiele, K.R. (1998). "New names and combinations for some Melaleuca (Myrtaceae) species and subspecies from the south-west of Western Australia considered rare or threatened" (PDF). Nuytsia. 8 (3): 336. Retrieved 31 March 2015.
  5. "Melaleuca fissurata". FloraBase. Western Australian Government Department of Parks and Wildlife.
  6. "Conservation codes for Western Australian flora and fauna" (PDF). Western Australian government department of parks and wildlife. Archived from the original (PDF) on 5 April 2018. Retrieved 31 March 2015.
  7. Walter, Kerry S.; Gillett, Harriet J. (1998). 1997 IUCN red list of threatened plants. United Kingdom: IUCN Gland, Edinburgh and Cambridge. p. 429. ISBN 9782831703282. Retrieved 31 March 2015.
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