Phebalium microphyllum

Phebalium microphyllum is a species of small, rounded shrub that is endemic to Western Australia. It has scaly branchlets, leathery, oblong leaves and yellow flowers arranged in umbels of three to six on the ends of branchlets.

Phebalium microphyllum
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Sapindales
Family: Rutaceae
Genus: Phebalium
Species:
P. microphyllum
Binomial name
Phebalium microphyllum
Synonyms[1]

Description

Phebalium microphyllum is a rounded shrub that typically grows to a height of 0.3–1.5 m (1 ft 0 in–4 ft 11 in) and has scaly branchlets. The leaves are leathery, oblong, 3–4 mm (0.12–0.16 in) long and about 1.5 mm (0.059 in) wide on a short petiole. The leaves are glabrous on the upper surface, covered with silvery scales on the lower surface and have slightly wavy edges. The flowers are yellow and borne in umbels of between three and six, each flower on a thin pedicel 3–6 mm (0.12–0.24 in) long. The five sepals are about 1 mm (0.039 in) long, joined for half their length and covered with rust-coloured scales on the outside. The petals are elliptical, about 3.5 mm (0.14 in) long with rust-coloured scales on the back. Flowering occurs from September to December.[2][3][4]

Taxonomy

This species was first formally described in 1852 by Nikolai Turczaninow in the journal Bulletin de la Societe Imperiale des Naturalistes de Moscou.[5][6]

Distribution

Phebalium microphyllum grows on undulating plains between Lake Grace and the Fitzgerald River National Park.[2][3]

Conservation status

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

gollark: What?
gollark: True, but they would do more badly and complain more.
gollark: Perhaps if you started them on category theory really early...
gollark: I mean, intense abstract things may be out of reach for bored teenagers being taught maths at school.
gollark: ... because if people don't have intuition for the thing, they may just do badly at it and complain?

References
  1. "Phebalium microphyllum". Australian Plant Census. Retrieved 21 June 2020.
  2. "Phebalium microphyllum". FloraBase. Western Australian Government Department of Parks and Wildlife.
  3. Wilson, Paul G. "Phebalium microphyllum". Australian Biological Resources Study, Department of Agriculture, Water and the Environment, Canberra. Retrieved 21 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. Retrieved 21 June 2020.
  5. "Phebalium microphyllum". APNI. Retrieved 21 June 2020.
  6. Turczaninow, Nikolai (1852). "Decas septima generum adhuc non descriptorum adjectis descriptionibus nonnullarum specierum". Bulletin de la Societe Imperiale des Naturalistes de Moscou. 25 (3): 159–160. Retrieved 21 June 2020.
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