''Banksia glaucifolia'' is a species of shrub that is

endemic Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found else ...

to Western Australia. It has deeply serrated, wedge-shaped leaves with sharply pointed lobes, pale yellow flowers and follicles with hairy edges.

Description

''Banksia glaucofolia'' is a shrub that typically grows to a height of and has hairy stems but does not form a

lignotuber A lignotuber is a woody swelling of the root crown possessed by some plants as a protection against destruction of the plant stem, such as by fire. Other woody plants may develop basal burls as a similar survival strategy, often as a response t ...

. Its leaves are wedge-shaped in outline, deeply serrated, long and wide on a flat, hairy petiole long. The leaves are more or less glaucous and have between six and thirteen narrow triangular, sharply pointed lobes on each side. The flowers are borne on a head containing between 80 and 110 flowers in each head. There are broadly linear involucral bracts long at the base of the head. The flowers have a pale yellow

perianth The perianth (perigonium, perigon or perigone in monocots) is the non-reproductive part of the flower, and structure that forms an envelope surrounding the sexual organs, consisting of the calyx (sepals) and the corolla ( petals) or tepals when ...

long and a cream-coloured pistil long. Flowering occurs from July to October and the follicles are egg-shaped, about long and hairy along the edges.

Taxonomy and naming

This banksia was first formally described in 1996 by Alex George who gave it the name ''Dryandra glauca'' and published the description in the journal ''

Nuytsia ''Nuytsia floribunda'' is a hemiparasitic tree found in Western Australia. The species is known locally as moodjar and, more recently, the Christmas tree or Western Australian Christmas tree. The display of intensely bright flowers during the ...

'' from specimens collected in

Watheroo National Park Watheroo National Park is a national park in Western Australia, 187 km north of Perth. It contains Jingemia Cave. The park is situated in the Mid West region of Western Australia to the west of the Midlands Road between the towns of Badgi ...

in 1986. In 2007,

Austin Mast Austin R. Mast is a research botanist. Born in 1972, he obtained a Ph.D. from the University of Wisconsin–Madison in 2000. He is currently a professor within the Department of Biological Science at Florida State University (FSU), and has been dir ...

and

Kevin Thiele Kevin R. Thiele is currently an adjunct associate professor at the University of Western Australia and the director of Taxonomy Australia. He was the curator of the Western Australian Herbarium from 2006 to 2015. His research interests include ...

transferred all the ''Dryandra'' species to ''Banksia'' but as the name ''Banksia glauca'' had already been used for a synonym of ''Banksia integrifolia'' subsp. ''integrifolia'', Mast and Thiele changed the epithet to ''glaucifolia''. The epithet retains the original use of "glauca", from the Latin ''glaucus'' meaning "blue-grey", with the Latin ''folium'' for "leaf", referring to the blue-grey leaves of the species.

Distribution and habitat

''Banksia glaucifolia'' grows in

kwongan Kwongan is plant community found in south-western Western Australia. The name is a Bibbelmun (Noongar) Aboriginal term of wide geographical use defined by Beard (1976) as Kwongan has replaced other terms applied by European botanists such as ...

on rises from near Eneabba and

Tathra National Park Tathra National Park is a national park in Western Australia, located north of Perth between the towns of Eneabba and Carnamah on Winchester-Eneabba Road. The name is derived from a Noongar word meaning "beautiful place". Description The pa ...

to Badgingarra in the

Geraldton Sandplains Geraldton (Wajarri: ''Jambinu'', Wilunyu: ''Jambinbirri'') is a coastal city in the Mid West region of the Australian state of Western Australia, north of the state capital, Perth. At June 2018, Geraldton had an urban population of 37,648. ...

and Swan Coastal Plain biogeographic regions.

Conservation status

This banksia is classified as "not threatened" by the Western Australian Government

Department of Parks and Wildlife The Department of Parks and Wildlife (DPaW) was the department of the Government of Western Australia responsible for managing lands described in the ''Conservation and Land Management Act 1984'' and implementing the state's conservation and e ...

References

* {{Taxonbar, from=Q4856613 glaucifolia Endemic flora of Western Australia Plants described in 1996 Taxa named by Alex George