Petrophile fastigiata

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Petrophile fastigiata
Petrophile fastigiata.jpg
In the Australian National Botanic Gardens
Scientific classification Red Pencil Icon.png
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Proteales
Family: Proteaceae
Genus: Petrophile
Species:
P. fastigiata
Binomial name
Petrophile fastigiata
Synonyms [1]
Habit near Ravensthorpe Petrophile fastigiata habit.jpg
Habit near Ravensthorpe

Petrophile fastigiata is a species of flowering plant in the family Proteaceae and is endemic to southwestern Western Australia. It is a shrub with pinnately-divided leaves with needle-shaped pinnae and sticky, oval heads of glabrous yellow to cream-coloured flowers.

Contents

Description

Petrophile fastigiata is a shrub that typically grows to a height of 1–1.5 m (3 ft 3 in–4 ft 11 in). Its leaves are glabrous, erect, up to 110 mm (4.3 in) long, on a petiole 20–50 mm (0.79–1.97 in) long, two or three times pinnately-divided, with mostly needle-shaped pinnae. The flowers are arranged in sessile, sticky, oval heads with many overlapping, triangular involucral bracts at the base. The flowers are about 10 mm (0.39 in) long, glabrous and yellow to cream-coloured. Flowering occurs from September to November and the fruit is a nut, fused with others in a oval head up to 20–40 mm (0.79–1.57 in) long. [2] [3]

Taxonomy

Petrophile fastigiata was first formally described in 1810 by Robert Brown in the Transactions of the Linnean Society of London. [4] [5] The specific epithet (fastigiata) refers to the fastigiate, more or less erect leaves. [6]

Distribution and habitat

This petrophile grows in scrub and low heath between Ravensthorpe and Mount Burdett near Esperance, in the Esperance Plains and Mallee biogeographical regions of southwestern Western Australia. [2] [3]

Conservation status

Petrophile fastigiata is classified as "not threatened" by the Western Australian Government Department of Parks and Wildlife. [3]

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References

  1. 1 2 "Petrophile fastigiata". Australian Plant Census. Retrieved 11 December 2020.
  2. 1 2 Foreman, David B. "Petrophile fastigiata". Australian Biological Resources Study, Department of Agriculture, Water and the Environment: Canberra. Retrieved 11 December 2020.
  3. 1 2 3 "Petrophile fastigiata". FloraBase . Western Australian Government Department of Parks and Wildlife.
  4. ↑ "Petrophile fastigiata". APNI. Retrieved 11 December 2020.
  5. ↑ Brown, Robert (1810). "On the Proteaceae of Jussieu". Transactions of the Linnean Society. 10: 70.
  6. ↑ Sharr, Francis Aubi; George, Alex (2019). Western Australian Plant Names and Their Meanings (3rd ed.). Kardinya, WA: Four Gables Press. p. 197. ISBN   9780958034180.
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