Melaleuca podiocarpa

Melaleuca podiocarpa is a plant in the myrtle family, Myrtaceae and is endemic to the south-west of Western Australia. It is a spreading shrub with prickly foliage and small heads of white flowers mostly hidden within the foliage.

Melaleuca podiocarpa
M. podiocarpa growing near Lake Grace
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Myrtales
Family: Myrtaceae
Genus: Melaleuca
Species:
M. podiocarpa
Binomial name
Melaleuca podiocarpa
Barlow ex Craven

Description

Melaleuca podiocarpa is a shrub growing to 2.5 m (8 ft) tall. Its leaves are arranged alternately, 4.5–14 mm (0.2–0.6 in) long, 1.5–6 mm (0.06–0.2 in) wide, elliptic to egg-shaped, crescent moon-shaped in cross section and the end tapering to a sharp, prickly point.[1][2]

The flowers are white, in small heads on the ends and sides of the branches. The heads contain up to 3 individual flowers. The outer surface of the flower cup (the hypanthium) is hairy. The petals are 4.5–5.5 mm (0.2–0.2 in) long and fall off as the flower matures. There are five bundles of stamens around the flower, each with 30 to 45 stamens. Flowering occurs from mid spring to mid summer, and is followed by fruit which are solitary, woody, cup-shaped capsules, 3.8–7.7 mm (0.1–0.3 in).[1][2]

M. podiocarpa leaves and flowers.
M. podiocarpa fruit
M. podiocarpa bark

Taxonomy and naming

Melaleuca podiocarpa was first formally described in 1999 by Lyndley Craven in Australian Systematic Botany from a specimen collected on the Lake King to Norseman road.[3][4] The specific epithet (podiocarpa) is derived from ancient Greek words podos meaning “foot” and karpos meaning "fruit" referring to the foot like base of the fruiting capsules.[1]

Distribution and habitat

This melaleuca occurs in and between the Lake King and Grass Patch districts in the Mallee biogeographic region where it grows in sand, gravel or clay on plains.[1][5][6]

Conservation status

Melaleuca podiocarpa is listed as "not threatened" by the Government of Western Australia Department of Parks and Wildlife.[5]

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References
  1. 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. 286. ISBN 9781922137517.
  2. Holliday, Ivan (2004). Melaleucas : a field and garden guide (2nd ed.). Frenchs Forest, N.S.W.: Reed New Holland Publishers. pp. 220–221. ISBN 1876334983.
  3. "Melaleuca podiocarpa". APNI. Retrieved 7 June 2015.
  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): 898. doi:10.1071/SB98019.
  5. "Melaleuca podiocarpa". FloraBase. Western Australian Government Department of Parks and Wildlife.
  6. Paczkowska, Grazyna; Chapman, Alex R. (2000). The Western Australian flora : a descriptive catalogue. Perth: Wildflower Society of Western Australia. p. 396. ISBN 0646402439.
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