Petrophile semifurcata

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Petrophile semifurcata
Petrophile semifurcata (2).jpg
Near Tenindewa
Scientific classification Red Pencil Icon.png
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Proteales
Family: Proteaceae
Genus: Petrophile
Species:
P. semifurcata
Binomial name
Petrophile semifurcata

Petrophile semifurcata is a species of flowering plant in the family Proteaceae and is endemic to an area near the west coast of Western Australia. It is an erect, bushy shrub with sharply-pointed, needle-shaped, sometimes lobed leaves and oval heads of silky-hairy, whitish, lemon-yellow or cream-coloured flowers.

Contents

Description

Petrophile semifurcata is an erect, bushy shrub that typically grows to a height of 0.3–1.7 m (1 ft 0 in–5 ft 7 in) and has softly-hairy branchlets. The leaves are glabrous, needle-shaped, sharply-pointed, 70–145 mm (2.8–5.7 in) long, sometimes with two or three lobes, the lobes sometimes divided again near the tip. The flowers are arranged on the ends of branchlets in oval heads 20–40 mm (0.79–1.57 in) long on a peduncle 8–16 mm (0.31–0.63 in) long, with deciduous bracts at the base. The flowers are about 14 mm (0.55 in) long, whitish, lemon-yellow or cream-coloured and silky-hairy. Flowering occurs from September to November and the fruit is a nut, fused with others in an oval head 25–38 mm (0.98–1.50 in) long on a peduncle 10–20 mm (0.39–0.79 in) long. [2] [3] [4]

Taxonomy

Petrophile semifurcata was first formally described in 1870 by George Bentham in Flora Australiensis from an unpublished description by Ferdinand von Mueller of material collected by Augustus Frederick Oldfield near the Murchison River. [5] [6] The specific epithet (semifurcata) means "half-forked", referring to the sometime simple, sometimes forked leaves. [7]

Distribution and habitat

This petrophile grows in heath on sandy-gravelly soils, sometimes with Banksia species and is found mainly between Geraldton and Kalbarri in the Avon Wheatbelt, Carnarvon, Geraldton Sandplains and Yalgoo biogeographic regions in the west of Western Australia. [2] [3] [4]

Conservation status

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

Related Research Articles

<i>Petrophile macrostachya</i> Species of shrub endemic to south-west Western Australia

Petrophile macrostachya is a species of flowering plant in the family Proteaceae and is endemic to southwestern Western Australia. It is an erect shrub with prickly, pinnate or lobed leaves, and oblong or cylindrical heads of glabrous yellow to cream-coloured flowers.

<i>Petrophile pedunculata</i> Species of shrub of the family Proteaceae found in eastern Australia

Petrophile pedunculata, commonly known as conesticks, is a species of flowering plant in the family Proteaceae and is endemic to New South Wales. It has divided leaves with needle-shaped pinnae and oval heads of sparsely hairy yellow or cream-coloured flowers, the heads on a peduncle 10–15 mm (0.39–0.59 in) long.

<i>Petrophile sessilis</i> Species of a shrub of the family Proteaceae found in eastern Australia

Petrophile sessilis, known as conesticks, is a species of flowering plant in the family Proteaceae and is endemic to New South Wales. It is an erect shrub with rigid, needle-shaped, divided, sharply-pointed leaves, and oval, spike-like heads of silky-hairy, creamy-yellow flowers.

Petrophile axillaris is a species of flowering plant in the family Proteaceae and is endemic to southwestern Western Australia. It is a shrub with pinnately-divided, sharply-pointed leaves, and spherical heads of hairy pink or grey flowers.

Petrophile chrysantha is a species of flowering plant in the family Proteaceae and is endemic to southwestern Western Australia. It is a small shrub with crowded, sharply-pointed, pinnately-divided leaves, and oval heads of hairy, cream-coloured to dark yellow flowers.

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

Petrophile conifera is a species of flowering plant in the family Proteaceae and is endemic to southwestern Western Australia. It is a bushy, much-branched shrub with pinnate, sharply-pointed leaves, and oval heads of hairy, cream-coloured to yellowish white flowers.

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

Petrophile heterophylla, commonly known as the variable-leaved conebush, is a species of flowering plant in the family Proteaceae and is endemic to southwestern Western Australia. It is a shrub with variably shaped, sometimes pinnately-divided leaves, and oval heads of silky-hairy, yellow to cream-coloured flowers.

Petrophile incurvata is a species of flowering plant in the family Proteaceae and is endemic to southwestern Western Australia. It is a shrub with flattened, sometimes pinnately-divided leaves with up to five sharply pointed lobes, and cylindrical to oval heads of silky-hairy, cream-coloured to yellowish-white flowers.

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

Petrophile megalostegia is a species of flowering plant in the family Proteaceae and is endemic to southwestern Western Australia. It is a shrub with needle-shaped or flattened, sometimes S-shaped leaves with a sharply-pointed tip, and more or less cylindrical heads of silky-hairy, yellow to cream-coloured flowers.

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

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.

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

Petrophile plumosa is a species of flowering plant in the family Proteaceae and is endemic to southwestern Western Australia. It is a shrub with rigid, sharply-pointed, sometimes lobed leaves, and more or less spherical heads of hairy, pale yellow flowers.

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

Petrophile recurva is a species of flowering plant in the family Proteaceae and is endemic to south-western Western Australia. It is an erect, many-branched shrub with needle-shaped, sharply-pointed leaves, and spherical heads of hairy pale yellow or cream-coloured flowers.

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

Petrophile scabriuscula is a species of flowering plant in the family Proteaceae and is endemic to southwestern Western Australia. It is a dense, prickly shrub with sharply-pointed, needle-shaped leaves more or less pressed against the branchlets, and oval heads of hairy, yellow to creamy-yellow flowers.

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

Petrophile seminuda is a species of flowering plant in the family Proteaceae and is endemic to southwestern Western Australia. It is a shrub with needle-shaped, sharply-pointed leaves usually divided into two or three lobes, and heads of yellow flowers.

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

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.

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

Petrophile striata is a species of flowering plant in the family Proteaceae and is endemic to southwestern Western Australia. It is a shrub with pinnate or bipinnate, striated, sharply-pointed leaves, and oval heads of silky-hairy yellow, creamy-yellow or cream-coloured flowers.

Petrophile stricta is a species of flowering plant in the family Proteaceae and is endemic to the south-west of Western Australia. It is an erect, spreading shrub with needle-shaped, sharply-pointed leaves, and oval heads of hairy, pink to cream-coloured flowers.

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

Petrophile teretifolia is a species of flowering plant in the family Proteaceae and is endemic to southwestern Western Australia. It is a shrub with needle-shaped but blunt-pointed leaves, and oval to more or less spherical heads of hairy pink to mauve flowers.

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

Petrophile trifurcata is a species of flowering plant in the family Proteaceae and is endemic to south-western Western Australia. It is a shrub with three-lobed, needle-shaped, sharply-pointed leaves, and spherical heads of hairy, yellow flowers.

Petrophile vana is a species of flowering plant in the family Proteaceae and is endemic to Western Australia. It is a shrub with needle-shaped, sharply-pointed leaves, and spherical to oval heads of small numbers of hairy, white flowers.

References

  1. ↑ "Petrophile semifurcata". Australian Plant Census. Retrieved 5 January 2021.
  2. 1 2 Foreman, David B. "Petrophile semifurcata". Australian Biological Resources Study, Department of Agriculture, Water and the Environment: Canberra. Retrieved 5 January 2021.
  3. 1 2 3 "Petrophile semifurcata". FloraBase . Western Australian Government Department of Parks and Wildlife.
  4. 1 2 Rye, Barbara L.; Hislop, Michael C.; Shepherd, Kelly A.; Hollister, Chris (2011). "New south-western Australian members of the genus Petrophile (Proteaceae: Petrophileae), including a hybrid" (PDF). Nuytsia. 21 (2): 61. Retrieved 4 January 2021.
  5. ↑ "Petrophile semifurcata". APNI. Retrieved 5 January 2021.
  6. ↑ Bentham, George; von Mueller, Ferdinand (1870). Flora Australiensis. 5. London: Lovell Reeve & Co. pp. 335–336. Retrieved 5 January 2021.
  7. ↑ Sharr, Francis Aubi; George, Alex (2019). Western Australian Plant Names and Their Meanings (3rd ed.). Kardinya, WA: Four Gables Press. p. 304. ISBN   9780958034180.
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