Petrophile antecedens

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Petrophile antecedens
Petrophile accedens.jpg
Near Boddington
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Proteales
Family: Proteaceae
Genus: Petrophile
Species:
P. antecedens
Binomial name
Petrophile antecedens

Petrophile antecedens is a species of flowering plant in the family Proteaceae and is endemic to the south-west of Western Australia. It is a small, erect, open shrub with sharply-pointed, cylindrical leaves and spherical heads of hairy, pale cream-coloured flowers.

Contents

Description

Petrophile antecedens is an erect, open shrub that typically grows to a height of 0.3–0.5 m (1 ft 0 in – 1 ft 8 in) and has hairy branchlets. The leaves are cylindrical, 20–40 mm (0.79–1.57 in) long and 1–2 mm (0.039–0.079 in) wide with a sharply-pointed tip 1–2 mm (0.039–0.079 in) long. The flowers are arranged in sessile, spherical heads 20–30 mm (0.79–1.18 in) in diameter, with many narrow egg-shaped, densely hairy involucral bracts at the base. The flowers are 10–15 mm (0.39–0.59 in) long, pale cream-coloured and densely hairy. Flowering occurs from May to early June and the fruit is a nut, fused with others in a broadly oval or spherical head 12–15 mm (0.47–0.59 in) long and 10–13 mm (0.39–0.51 in) wide. [2] [3]

Taxonomy

Petrophile antecedens was first formally described in 2002 by Michael Clyde Hislop and Barbara Lynette Rye in the journal Nuytsia from material collected by Fred Hort near Wandering in 2000. [2] [4] The specific epithet (antecedens) means "preceding", referring to the flowering of this species before that of almost all other petrophiles. [2] [5]

Distribution and habitat

This petrophile mainly grows in eucalypt woodland, sometimes dense heath, and occurs in an area between Canning Dam, York, Darkan and Harrismith in the Avon Wheatbelt and Jarrah Forest biogeographic regions in the southwest of Western Australia. [2] [3]

Conservation status

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

Related Research Articles

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

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

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Petrophile juncifolia is a species of flowering plant in the family Proteaceae and is endemic to southwestern Western Australia. It is a small, domed shrub with needle-shaped leaves, and heads of yellow to cream-coloured flowers.

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

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

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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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Petrophile foremanii is a species of flowering plant in the family Proteaceae and is endemic to southwestern Western Australia. It is a shrub with more or less cylindrical leaves and elliptic to spherical heads of hairy, creamy yellow flowers on the ends of branchlets.

Petrophile globifera is a species of flowering plant in the family Proteaceae and is endemic to southwestern Western Australia. It is a shrub with more or less cylindrical leaves and elliptic to spherical heads of cream-coloured to pale yellow flowers on the ends of branchlets.

Petrophile septemfida is a species of flowering plant in the family Proteaceae and is endemic to southwestern Western Australia. It is a shrub with leaves usually with seven lobes divided almost to the midrid, and spherical heads of cream-coloured to pale yellow flowers on the ends of branchlets.

<i>Stenanthemum intricatum</i> Species of flowering plant

Stenanthemum intricatum is a species of flowering plant in the family Rhamnaceae and is endemic to the southwest of Western Australia. It is an erect to spreading, often wiry shrub with sparsely hairy young stems, egg-shaped to fan-shaped leaves and greyish, densely softly-hairy heads of white or cream-coloured flowers.

Styphelia quartzitica is a species of flowering plant in the heath family Ericaceae and is endemic to a small area in the south of Western Australia. It is an erect shrub with hairy young branchlets, sharply-pointed, linear or very narrowly egg-shaped leaves, and cream-coloured, tube-shaped flowers.

References

  1. ↑ "Petrophile antecedens". Australian Plant Census. Retrieved 1 December 2020.
  2. 1 2 3 4 Hislop, Michael C.; Rye, Barbara L. (2002). "Three new early-flowering species of Petrophile (Proteaceae) from south-western Australia". Nuytsia. 14 (3): 368–369. Retrieved 1 December 2020.
  3. 1 2 3 "Petrophile antecedens". FloraBase . Western Australian Government Department of Biodiversity, Conservation and Attractions.
  4. ↑ "Petrophile antecedens". APNI. Retrieved 1 December 2020.
  5. ↑ Sharr, Francis Aubi; George, Alex (2019). Western Australian Plant Names and Their Meanings (3rd ed.). Kardinya, WA: Four Gables Press. p. 134. ISBN   9780958034180.
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