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Petrophile pauciflora

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Petrophile pauciflora
Petrophile pauciflora.jpg
A=flowering branchlet; B=flower; C=fruiting branchlet; D,E=upper and lower surfaces of nut
Status DECF P3.svg
Priority Three — Poorly Known Taxa (DEC)
Scientific classification Red Pencil Icon.png
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Proteales
Family: Proteaceae
Genus: Petrophile
Species:
P. pauciflora
Binomial name
Petrophile pauciflora

Petrophile pauciflora is a species of flowering plant in the family Proteaceae and is endemic to western areas of Western Australia. It is a shrub usually with three-forked leaves, the lobes sharply-pointed, and spherical heads of small groups of hairy yellow or orange flowers.

Contents

Description

Petrophile pauciflora is a shrub that typically grows to a height of 0.5–1 m (1 ft 8 in – 3 ft 3 in) and has hairy young branchlets and leaves that become glabrous as they age. The leaves are 15–35 mm (0.59–1.38 in) long and cylindrical but three-forked, the middle segment sometimes divided again, each segment sharply-pointed. The flowers are arranged near the ends of branchlets in spherical heads about 8 mm (0.31 in) in diameter, with egg-shaped involucral bracts at the base. The heads contain only a few flowers, each about 7 mm (0.28 in) long, yellow or orange, and hairy. Flowering has been observed in September and the fruit is a nut, fused with others in an oval or spherical head 6–8 mm (0.24–0.31 in) long. [2] [3]

Taxonomy

Petrophile pauciflora was first formally described in 1995 by Donald Bruce Foreman in Flora of Australia from material collected by Alex George near Bimbijy Station in 1976. [4] The specific epithet (pauciflora) means "few-flowered". [5]

Distribution and habitat

This petrophile grows in low, open heathland on breakaway areas in a few locations in the Avon Wheatbelt, Murchison and Yalgoo biogeographic regions of Western Australia. [2] [3]

Conservation status

Petrophile pauciflora is classified as "Priority Three" by the Government of Western Australia Department of Parks and Wildlife [3] meaning that it is poorly known and known from only a few locations but is not under imminent threat. [6]

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<i>Petrophile cyathiforma</i> Species of shrub endemic to Western Australia

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<i>Petrophile drummondii</i> Species of shrub endemic to Western Australia

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<i>Petrophile merrallii</i> Species of shrub endemic to Western Australia

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<i>Petrophile misturata</i> Species of shrub endemic to Western Australia

Petrophile misturata is a species of flowering plant in the family Proteaceae and is endemic to southwestern Western Australia. It is a shrub with simple and pinnate, needle-shaped leaves and spherical heads of hairy, dull yellow flowers.

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<i>Petrophile recurva</i> Species of shrub endemic to Western Australi

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<i>Petrophile rigida</i> Species of shrub endemic to Western Australia

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<i>Petrophile scabriuscula</i> Species of shrub endemic to Western Australia

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<i>Petrophile semifurcata</i> Species of shrub endemic to Western Australia

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<i>Petrophile serruriae</i> Species of shrub endemic to Western Australia

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<i>Petrophile trifurcata</i> Species of shrub endemic to Western Australia

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<i>Petrophile wonganensis</i> Species of shrub endemic to Western Australia

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References

  1. ↑ "Petrophile pauciflora". Australian Plant Census. Retrieved 23 December 2020.
  2. 1 2 Foreman, David B. "Petrophile pauciflora". Australian Biological Resources Study, Department of Agriculture, Water and the Environment: Canberra. Retrieved 23 December 2020.
  3. 1 2 3 "Petrophile pauciflora". FloraBase . Western Australian Government Department of Biodiversity, Conservation and Attractions.
  4. ↑ "Petrophile pauciflora". APNI. Retrieved 23 December 2020.
  5. ↑ Sharr, Francis Aubi; George, Alex (2019). Western Australian Plant Names and Their Meanings (3rd ed.). Kardinya, WA: Four Gables Press. p. 272. ISBN   9780958034180.
  6. ↑ "Conservation codes for Western Australian Flora and Fauna" (PDF). Government of Western Australia Department of Parks and Wildlife. Retrieved 23 December 2020.
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