Grevillea beadleana

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Beadle's grevillea
Grevillea beadleana (6217450004).jpg
In Brisbane Botanic Gardens
Scientific classification Red Pencil Icon.png
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Proteales
Family: Proteaceae
Genus: Grevillea
Species:
G. beadleana
Binomial name
Grevillea beadleana

Grevillea beadleana, commonly known as Beadle's grevillea, [2] is a species of flowering plant in the family Proteaceae and is endemic to New South Wales. It is a shrub with dissected leaves and grey to purplish flowers with a burgundy to scarlet style. [3]

Contents

Description

Grevillea beadleana is a shrub that typically grows to a height of 0.8–2.5 m (2 ft 7 in – 8 ft 2 in). Its leaves are mostly pinnatipartite, 80–165 mm (3.1–6.5 in) long and 50–105 mm (2.0–4.1 in) wide in outline, the ultimate lobes triangular and 20–110 mm (0.79–4.33 in) wide at the base. The lower surface of the leaves is densely covered with curled hairs. The flowers are arranged in one-sided racemes in groups of twenty to ninety on the ends of branches, the rachis 35–50 mm (1.4–2.0 in) long. The flowers are grey to purplish with a burgundy to scarlet style, the pistil 15–18.5 mm (0.59–0.73 in) long. There are prominent bracts 5.7–6.2 mm (0.22–0.24 in) 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 9.0–10.5 mm (0.35–0.41 in) long. [2] [4] [5]

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 near Chaelundi Falls in Guy Fawkes River National Park. [6] The specific epithet (beadleana) honours Noel Beadle. [7]

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 Guy Fawkes River National Park and in the Orara River catchment. [2] [4] [5]

The species was first collected near Walcha in 1887, but it has not been seen in that area despite extensive searches. [5]

Conservation status

Grevillea beadleana is listed as "endangered" under the Australian Government Environment Protection and Biodiversity Conservation Act 1999 and the New South Wales Government Threatened Species Conservation Act 1995 . The main threats to the species include inappropriate fire regimes, grazing by native animals and by livestock, and illegal collection. [2] [5]

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<i>Grevillea coccinea</i> Species of shrub in the family Proteaceae endemic to Western Australia

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<i>Grevillea diffusa</i> Species of plant in the Proteaceae family

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References

  1. ↑ "Grevillea beadleana". Australian Plant Census. Retrieved 6 January 2022.
  2. 1 2 3 4 "Beadle's Grevillea - profile". New South Wales Government Office of Environment and Heritage. Retrieved 6 January 2022.
  3. ↑ Makinson,R.O (Bob). "New South Wales Flora Online: Grevillea beadleana". Royal Botanic Gardens & Domain Trust, Sydney, Australia.
  4. 1 2 "Grevillea beadleana". Australian Biological Resources Study, Department of Agriculture, Water and the Environment: Canberra. Retrieved 6 January 2022.
  5. 1 2 3 4 "Recovery plan - Grevillea beadleana" (PDF). New South Wales Department of Environment and Conservation. Retrieved 6 January 2022.
  6. ↑ "Grevillea beadleana". APNI. Retrieved 6 January 2022.
  7. ↑ "Grevillea beadleana". Australian Native Plants Society (Australia). Retrieved 6 January 2022.
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