Phebalium tuberculosum

Phebalium tuberculosum is a species of erect shrub that is endemic to Western Australia. It has glandular-warty and scaly branchlets and leaves and white flowers arranged in umbels of three or four with rust-coloured scales on the back of the petals.

Phebalium tuberculosum
Near Wongan Hills
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Sapindales
Family: Rutaceae
Genus: Phebalium
Species:
P. tuberculosum
Binomial name
Phebalium tuberculosum
Synonyms[1]
  • Eriostemon tubersulosus F.Muell.
  • Phebalium tuberculosum (F.Muell.) Benth. subsp. tuberculosum

Description

Phebalium tuberculosum is an erect shrub that typically grows to a height of 0.3–4.0 m (1 ft 0 in–13 ft 1 in) with glandular-warty branchlets, leaves and sepals. The leaves are oblong with the edges rolled under, appearing more or less cylindrical, and are about 4–7 mm (0.16–0.28 in) long and about 1 mm (0.039 in) wide. The flowers are borne in umbels of three or four, each flower on a thick pedicel 2–5 mm (0.079–0.197 in) long covered with rust-coloured scales. The five sepals are 2–3 mm (0.079–0.118 in) long, joined at the base. The petals are white, broadly elliptical, 3–4.5 mm (0.12–0.18 in) long and 2–3.5 mm (0.079–0.138 in) wide, with silvery to rust-coloured scales on the back. Flowering occurs from September to December.[2][3][4]

Taxonomy

This species was first formally described in 1862 by Ferdinand von Mueller who gave it the name Eriostemon tuberculosus and published the description the his book The Plants Indigenous to the Colony of Victoria.[5][6]

The following year, George Bentham changed the name to Phebalium tuberculosum, publishing the change in Flora Australiensis.[7][8]

Distribution and habitat

Phebalium tuberculosum grows on lateritic hills, on granite dunes and plains between Kalbarri, Katanning and Zanthus in Western Australia.[2][3]

Conservation status

This phebalium is classified as "not threatened" by the Government of Western Australia Department of Parks and Wildlife.[2]

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References
  1. "Phebalium tuberculosum". Australian Plant Census. Retrieved 22 June 2020.
  2. "Phebalium tuberculosum". FloraBase. Western Australian Government Department of Parks and Wildlife.
  3. Wilson, Paul G. "Phebalium tuberculosum". Australian Biological Resources Study, Department of Agriculture, Water and the Environment, Canberra. Retrieved 22 June 2020.
  4. Wilson, Paul G. (1970). "A Taxonomic Revision of the Genera Crowea, Eriostemon and Phebalium (Rutaceae). Nuytsia 1(1):". Nuytsia. 1 (1): 70–73. Retrieved 21 June 2020.
  5. "Eriostemon tuberculosus". APNI. Retrieved 22 June 2020.
  6. von Mueller, Ferdinand (1862). The Plants Indigenous to the Colony of Victoria. Melbourne: Victorian Government Printer. p. 130. Retrieved 23 June 2020.
  7. "Phebalium tuberculosum". APNI. Retrieved 22 June 2020.
  8. Bentham, George; von Mueller, Ferdinand (1863). Flora Australiensis. London: Lovell Reeve & Co. p. 343. Retrieved 23 June 2020.
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