Petrophile serruriae

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Petrophile serruriae
Petrophile serruriae - Flickr - Kevin Thiele (1).jpg
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Proteales
Family: Proteaceae
Genus: Petrophile
Species:
P. serruriae
Binomial name
Petrophile serruriae
Synonyms [1]
  • Petrophila glanduligeraLindl. orth. var.
  • Petrophile glanduligeraLindl.
Habit Petrophile serruriae.jpg
Habit

Petrophile serruriae is a species of flowering plant in the family Proteaceae and is endemic to southwestern Western Australia. It is a shrub with crowded, pinnate, needle-shaped, sharply-pointed leaves, and oval heads of silky-hairy yellow, greyish mauve to pink flowers.

Contents

Description

Petrophile serruriae is an erect or spreading shrub that typically grows to a height of 0.2–1.5 m (7.9 in – 4 ft 11.1 in). It has silky-hairy branchlets and leaves but does not form a lignotuber. The leaves are bipinnate or tripinnate, 15–34 mm (0.59–1.34 in) long on a petiole 2–10 mm (0.079–0.394 in) long, with mostly twenty-seven to thirty-five needle-shaped, sharply-pointed lobes. The flowers are arranged on the ends of branchlets and in leaf axils with oval heads about 10 mm (0.39 in) in diameter, with a few deciduous involucral bracts at the base. The flowers are 13–16 mm (0.51–0.63 in) long, silky-hairy and yellow, greyish mauve to pink. Flowering mainly occurs from July to December and the fruit is a nut, fused with others in an oval to spherical head 10–12 mm (0.39–0.47 in) in diameter. [2] [3]

Taxonomy

Petrophile serruriae was first formally described in 1830 by Robert Brown in the Supplementum to his Prodromus Florae Novae Hollandiae et Insulae Van Diemen from material collected by William Baxter near King George Sound in 1823. [4] [5] The specific epithet (serruriae) means "like a plant in the genus Serruria ". [6]

Distribution and habitat

Petrophile serruriae is common in coastal limestone and is widespread from near Geraldton to near Albany in the south-west of Western Australia. [2] [3]

Conservation status

This petrophile 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 serruriae". Australian Plant Census. Retrieved 6 January 2021.
  2. 1 2 Foreman, David B. "Petrophile serruriae". Australian Biological Resources Study, Department of Agriculture, Water and the Environment: Canberra. Retrieved 6 January 2021.
  3. 1 2 3 "Petrophile serruriae". FloraBase . Western Australian Government Department of Biodiversity, Conservation and Attractions.
  4. ↑ "Petrophile serruria". APNI. Retrieved 6 January 2021.
  5. ↑ Brown, Robert (1830). Supplementum primum prodromi florae Novae Hollandiae. London. p. 6. Retrieved 6 January 2021.
  6. ↑ Sharr, Francis Aubi; George, Alex (2019). Western Australian Plant Names and Their Meanings (3rd ed.). Kardinya, WA: Four Gables Press. p. 306. ISBN   9780958034180.
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