Petrophile helicophylla: Difference between revisions
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|genus = Petrophile |
|genus = Petrophile |
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|species = helicophylla |
|species = helicophylla |
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|image = Petrophile helicophylla.jpg |
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|image_caption = In the [[Stirling Range National Park]] |
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|authority = [[Donald Bruce Foreman|Foreman]]<ref name=APC>{{cite web|title=''Petrophile helicophylla''|url= https://biodiversity.org.au/nsl/services/apc-format/display/117275|publisher=Australian Plant Census|access-date=12 December 2020}}</ref> |
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|authority = Foreman |
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'''''Petrophile helicophylla''''' is a species of flowering plant in the family [[Proteaceae]] and is [[Endemism|endemic]] to southwestern Western Australia. It is a prostrate, spreading shrub with twisted, needle-like leaves and heads of hairy white to creamy-white or pale pink flowers. |
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'''''Petrophile helicophylla''''' is a shrub endemic to [[Western Australia]].<ref name=FloraBase>{{FloraBase | name = ''Petrophile helicophylla'' | id = 12236}}</ref> |
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==Description== |
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The prostrate shrub typically grows to a height of {{convert|0.15|to|0.35|m|ft|1}} and a width of {{convert|0.3|to|1.6|m|ft|1|abbr=on}}. It blooms between September and February producing yellow-cream-white-pink flowers. |
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''Petrophile helicophylla'' is a shrub that typically grows to {{cvt|20–35|cm}} high, {{cvt|160|cm}} wide and has [[wikt:glabrous|glabrous]] branchlets and leaves. The leaves are needle-shaped {{cvt|150–300|mm}} long and spirally twisted. The flowers are arranged on the ends of branchlets in heads {{cvt|25–30|mm}} long and [[Sessility (botany)|sessile]] or on [[Peduncle (botany)|peduncles]] {{cvt|6–12|mm}} long, with a few tapering [[Bract#Involucral bracts|involucral bracts]] at the base. The flowers are about {{cvt|35|mm}} long, white to creamy-white or pale pink and hairy. Flowering mainly occurs from October to February and the fruit is a [[Nut (fruit)|nut]], fused with others in an elliptic to spherical head {{cvt|15–25|mm}} long.<ref name="ABRS">{{cite web |last1=Foreman |first1=David B. |title=''Petrophile helicophylla'' |url=https://profiles.ala.org.au/opus/foa/profile/Petrophile%20helicophylla |publisher=Australian Biological Resources Study, Department of Agriculture, Water and the Environment: Canberra |access-date=12 December 2020}}</ref><ref name=FloraBase>{{FloraBase | name = ''Petrophile helicophylla'' | id = 12236}}</ref><ref name="Muelleria">{{cite journal |last1=Foreman |first1=Donald B. |title=New species of ''Petrophile'' R.Br. (Proteaceae) from Western Australia |journal=Muelleria |date=1990 |volume=7 |issue=2 |pages=301–304 |url=https://www.rbg.vic.gov.au/documents/Muelleria_7(2),_p301-310,_Foreman,_new_Petrophile.pdf |access-date=12 December 2020}}</ref> |
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==Taxonomy== |
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It is found on sand plains and near salt pans in the southern [[Wheatbelt (Western Australia)|Wheatbelt]] and [[Great Southern (Western Australia)|Great Southern]] regions of Western Australia where it grows in sandy-clay-gravelly soils.<ref name=FloraBase/> |
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''Petrophile helicophylla'' was first formally described in 1990 by [[Donald Bruce Foreman]] in ''[[Muelleria (journal)|Muelleria]]'' from material he collected near [[Ravensthorpe, Western Australia|Ravensthorpe]] in 1979.<ref name="Muelleria" /><ref name=APNI>{{cite web|title=''Petrophile helicophylla''|url= https://id.biodiversity.org.au/instance/apni/551462|publisher=APNI|access-date=12 December 2020}}</ref> The [[Botanical name|specific epithet]] (''helicophylla'') means "coil-leaved".<ref name="Sharr">{{cite book |last1=Sharr |first1=Francis Aubi |last2=George |first2=Alex |title=Western Australian Plant Names and Their Meanings |date=2019 |publisher=Four Gables Press |location=Kardinya, WA |isbn=9780958034180 |page=215 |edition=3rd}}</ref> |
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==Distribution and habitat== |
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This petrophile grows in low heath, scrub and woodland on sand plains and near salt pans near Ravensthorpe and [[Jerramungup]] in the [[Esperance Plains]] and [[Mallee (biogeographic region)|Mallee]] [[IBRA|biogeographic regions]] of southwestern Western Australia.<ref name="ABRS" /><ref name="FloraBase" /> |
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==Conservation status== |
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''Petrophile helicophylla'' is classified as "not threatened" by the Western Australian Government [[Department of Parks and Wildlife (Western Australia)|Department of Parks and Wildlife]].<ref name="FloraBase" /> |
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==References== |
==References== |
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{{Reflist}} |
{{Reflist}} |
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{{Proteaceae|petr}} |
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{{Taxonbar|from=Q18075439}} |
{{Taxonbar|from=Q18075439}} |
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{{DEFAULTSORT:Petrophile helicophylla}} |
{{DEFAULTSORT:Petrophile helicophylla}} |
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[[Category:Petrophile|helicophylla]] |
[[Category:Petrophile|helicophylla]] |
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[[Category:Endemic flora of Western Australia]] |
[[Category:Endemic flora of Western Australia]] |
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[[Category:Plants described in 1990]] |
[[Category:Plants described in 1990]] |
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Latest revision as of 13:15, 22 December 2020
| Petrophile helicophylla | |
|---|---|
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| In the Stirling Range National Park | |
Scientific classification 
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| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Order: | Proteales |
| Family: | Proteaceae |
| Genus: | Petrophile |
| Species: | P. helicophylla
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| Binomial name | |
| Petrophile helicophylla | |
Petrophile helicophylla is a species of flowering plant in the family Proteaceae and is endemic to southwestern Western Australia. It is a prostrate, spreading shrub with twisted, needle-like leaves and heads of hairy white to creamy-white or pale pink flowers.
Description
[edit]Petrophile helicophylla is a shrub that typically grows to 20–35 cm (7.9–13.8 in) high, 160 cm (63 in) wide and has glabrous branchlets and leaves. The leaves are needle-shaped 150–300 mm (5.9–11.8 in) long and spirally twisted. The flowers are arranged on the ends of branchlets in heads 25–30 mm (0.98–1.18 in) long and sessile or on peduncles 6–12 mm (0.24–0.47 in) long, with a few tapering involucral bracts at the base. The flowers are about 35 mm (1.4 in) long, white to creamy-white or pale pink and hairy. Flowering mainly occurs from October to February and the fruit is a nut, fused with others in an elliptic to spherical head 15–25 mm (0.59–0.98 in) long.[2][3][4]
Taxonomy
[edit]Petrophile helicophylla was first formally described in 1990 by Donald Bruce Foreman in Muelleria from material he collected near Ravensthorpe in 1979.[4][5] The specific epithet (helicophylla) means "coil-leaved".[6]
Distribution and habitat
[edit]This petrophile grows in low heath, scrub and woodland on sand plains and near salt pans near Ravensthorpe and Jerramungup in the Esperance Plains and Mallee biogeographic regions of southwestern Western Australia.[2][3]
Conservation status
[edit]Petrophile helicophylla is classified as "not threatened" by the Western Australian Government Department of Parks and Wildlife.[3]
References
[edit]- ^ "Petrophile helicophylla". Australian Plant Census. Retrieved 12 December 2020.
- ^ a b Foreman, David B. "Petrophile helicophylla". Australian Biological Resources Study, Department of Agriculture, Water and the Environment: Canberra. Retrieved 12 December 2020.
- ^ a b c "Petrophile helicophylla". FloraBase. Western Australian Government Department of Biodiversity, Conservation and Attractions.
- ^ a b Foreman, Donald B. (1990). "New species of Petrophile R.Br. (Proteaceae) from Western Australia" (PDF). Muelleria. 7 (2): 301–304. Retrieved 12 December 2020.
- ^ "Petrophile helicophylla". APNI. Retrieved 12 December 2020.
- ^ Sharr, Francis Aubi; George, Alex (2019). Western Australian Plant Names and Their Meanings (3rd ed.). Kardinya, WA: Four Gables Press. p. 215. ISBN 9780958034180.