''Grevillea beadleana'', commonly known as Beadle's grevillea, is a species of flowering plant in the family

Proteaceae The Proteaceae form a family (biology), family of flowering plants predominantly distributed in the Southern Hemisphere. The family comprises 83 genus, genera with about 1,660 known species. Australia and South Africa have the greatest concentr ...

and is

endemic Endemism is the state of a species being found only 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 foun ...

to New South Wales. It is a shrub with dissected leaves and grey to purplish flowers with a

burgundy Burgundy ( ; ; Burgundian: ''Bregogne'') is a historical territory and former administrative region and province of east-central France. The province was once home to the Dukes of Burgundy from the early 11th until the late 15th century. ...

to scarlet

style Style, or styles may refer to: Film and television * ''Style'' (2001 film), a Hindi film starring Sharman Joshi, Riya Sen, Sahil Khan and Shilpi Mudgal * ''Style'' (2002 film), a Tamil drama film * ''Style'' (2004 film), a Burmese film * '' ...

Description

''Grevillea beadleana'' is a shrub that typically grows to a height of . Its leaves are mostly pinnatipartite, long and wide in outline, the ultimate lobes triangular and wide at the base. The lower surface of the leaves is densely covered with curled hairs. The flowers are arranged in one-sided

raceme A raceme () or racemoid is an unbranched, indeterminate growth, indeterminate type of inflorescence bearing flowers having short floral stalks along the shoots that bear the flowers. The oldest flowers grow close to the base and new flowers are ...

s in groups of twenty to ninety on the ends of branches, the

rachis In biology, a rachis (from the [], "backbone, spine") is a main axis or "shaft". In zoology and microbiology In vertebrates, ''rachis'' can refer to the series of articulated vertebrae, which encase the spinal cord. In this case the ''rachi ...

long. The flowers are grey to purplish with a burgundy to scarlet style, the

pistil Gynoecium (; ; : gynoecia) is most commonly used as a collective term for the parts of a flower that produce ovules and ultimately develop into the fruit and seeds. The gynoecium is the innermost whorl (botany), whorl of a flower; it consists ...

long. There are prominent

bract In botany, a bract is a modified or specialized leaf, associated with a reproductive structure such as a flower, inflorescence axis or cone scale. Bracts are usually different from foliage leaves in size, color, shape or texture. They also lo ...

s long at the base of the flowers, but that are lost as the flowers open. Flowering mainly occurs in late spring and summer and the fruit is a woolly-hairy follicle long.

Taxonomy

''Grevillea beadleana'' was first formally described in 1986 by Donald McGillivray in his book ''New Names in Grevillea (Proteaceae)'', based on specimens collected in 1982 by

J.B. Williams JB or J.B. may refer to: People * JB (Canadian rapper) * JB (Swedish musician) * BlocBoy JB (born 1996), American rapper * Jay B (born 1994), South Korean singer * Jack Black (born 1969), American actor and comedian * Jaffar Byn, Swedish rappe ...

near Chaelundi Falls in Guy Fawkes River National Park. The

specific epithet In Taxonomy (biology), taxonomy, binomial nomenclature ("two-term naming system"), also called binary nomenclature, is a formal system of naming species of living things by giving each a name composed of two parts, both of which use Latin gramm ...

(''beadleana'') honours Noel Beadle.

Distribution and habitat

Beadle's grevillea grows in forest and woodland in shallow soil over granite, and occurs in four known populations. Most plants occur north of Torrington, the remainder in the

Oxley Wild Rivers National Park The Oxley Wild Rivers National Park is a protected national park that is located in the Northern Tablelands region of New South Wales, Australia in the Port Macquarie-Hastings City Council and Walcha Shire councils. The park is situated nort ...

, the Guy Fawkes River National Park and in the

Orara River Orara River, a perennial stream of the Clarence River catchment, is located in the Northern Rivers district of New South Wales, Australia. Course and features Orara River rises on the eastern slopes of the Dorrigo Plateau, Great Dividing Range, ...

catchment. The species was first collected near Walcha in 1887, but it has not been seen in that area despite extensive searches.

Conservation status

''Grevillea beadleana'' is listed as "endangered" under the Australian Government ''

Environment Protection and Biodiversity Conservation Act 1999 The ''Environment Protection and Biodiversity Conservation Act 1999'' (Cth) is an Act of the Parliament of Australia that provides a framework for protection of the Australian environment, including its biodiversity and its natural and cult ...

'' and the New South Wales Government ''

Threatened Species Conservation Act 1995 The ''Threatened Species Conservation Act 1995 (TSC Act)'' was enacted by the Parliament of New South Wales in 1995 to protect threatened species, populations and ecological communities in NSW. In 2016 it was replaced by the '' Biodiversity Con ...

''. The main threats to the species include inappropriate fire regimes, grazing by native animals and by livestock, and illegal collection.

References

{{Taxonbar, from=Q5607878 beadleana Flora of New South Wales Proteales of Australia Taxa named by Donald McGillivray Plants described in 1986