Biology:Petrophile globifera

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Short description: Species of shrub endemic to Western Australia

Petrophile globifera

Priority Three — Poorly Known Taxa (DEC)
Scientific classification edit
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Proteales
Family: Proteaceae
Genus: Petrophile
Species:
P. globifera
Binomial name
Petrophile globifera
Rye & K.A.Sheph.[1]

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.

Description

Petrophile globifera is a shrub that typically grows to a height of 0.7–1.2 m (2 ft 4 in–3 ft 11 in) and has hairy, yellow-grey to reddish-brown young branchlets. The leaves are more or less cylindrical, 3–6 mm (0.12–0.24 in) long, about 0.8 mm (0.031 in) wide with a pointed tip. The flowers are arranged on the ends of branchlets in sessile, elliptic to spherical heads 10–18 mm (0.39–0.71 in) in diameter, with narrow egg-shaped, sticky involucral bracts at the base. The flowers are 10–15 mm (0.39–0.59 in) long, cream-coloured to pale yellow and hairy. Flowering occurs from August to October and the fruit is a nut, fused with others in an elliptic or spherical head 9–12 mm (0.35–0.47 in) long and 10–14 mm (0.39–0.55 in) wide.[2][3]

Taxonomy

Petrophile globifera was first formally described in 2011 by Barbara Lynette Rye and Kelly Anne Shepherd in the journal Nuytsia from material collected by Donald Bruce Foreman in 1984.[2][4] The specific epithet (globifera) means "sphere-bearing", referring to the flower heads.[2][5]

Distribution and habitat

This petrophile mainly grows in sand in the area between Morawa, and Pithara.[2]

Conservation status

Petrophile globifera is classified as "Priority Three" by the Government of Western Australia Department of Parks and Wildlife[3] meaning that it is poorly known and known from only a few locations but is not under imminent threat.[6]

References

  1. "Petrophile globifera". Australian Plant Census. https://biodiversity.org.au/nsl/services/apc-format/display/234392. 
  2. 2.0 2.1 2.2 2.3 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". Nuytsia 21 (2): 49–50. https://florabase.dpaw.wa.gov.au/science/nuytsia/570.pdf. Retrieved 4 December 2020. 
  3. 3.0 3.1 "Petrophile globifera". FloraBase. Western Australian Government Department of Parks and Wildlife. https://florabase.dpaw.wa.gov.au/browse/profile/40723. 
  4. "Petrophile globifera". APNI. https://id.biodiversity.org.au/instance/apni/710453. Retrieved 5 December 2020. 
  5. Sharr, Francis Aubi; George, Alex (2019). Western Australian Plant Names and Their Meanings (3rd ed.). Kardinya, WA: Four Gables Press. p. 201. ISBN 9780958034180. 
  6. "Conservation codes for Western Australian Flora and Fauna". Government of Western Australia Department of Parks and Wildlife. https://www.dpaw.wa.gov.au/images/documents/plants-animals/threatened-species/Listings/Conservation%20code%20definitions.pdf. Retrieved 5 December 2020. 

Wikidata ☰ Q18082062 entry