Grevillea pteridifolia

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Golden grevillea
Grevillea pteridifolia.jpg
Grevillea pteridifolia in Myall Park Botanic Garden
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Proteales
Family: Proteaceae
Genus: Grevillea
Species:
G. pteridifolia
Binomial name
Grevillea pteridifolia
Synonyms [1]
List
    • Grevillea chrysodendron R.Br.
    • Grevillea chrysodendrumR.Br. orth. var.
    • Grevillea mitchellii Hook.
    • Grevillea pteridifolia var. mitchellii(Hook.) Domin
    • Grevillea pteridifoliaKnight var. pteridifolia
    • Grevillea pteridifolia var. typicaDomin nom. inval.
    • Grevillea pteridiifolia Chippend. orth. var.
    • Grevillia pteridifoliaKnight orth. var.
Habit in the Keep River National Park Grevillea pteridifolia habit.jpg
Habit in the Keep River National Park

Grevillea pteridifolia is a species of flowering plant in the family Proteaceae and is endemic to northern Australia. It is also known by many common names, including golden grevillea, [2] silky grevillea, [3] fern-leaved grevillea, golden parrot tree, golden tree, manbulu, yawuny and tjummula. [4] It is a shrub or tree usually with pinnatisect leaves, and bright orange-yellow or reddish flowers.

Contents

Description

Grevillea pteridifolia is a shrub or tree that typically grows to a height of 2–14 m (6 ft 7 in – 45 ft 11 in), or rarely a prostrate shrub. Its leaves are 100–450 mm (3.9–17.7 in) long and usually pinnatisect with 13 to 29 linear or very narrowly egg-shaped lobes 150–250 mm (5.9–9.8 in) long and 1–4 mm (0.039–0.157 in) wide. The edges of the leaves are rolled under, the exposed parts of the lower surface covered with silky hairs. The flowers are arranged in clusters on one side of a rachis 80–220 mm (3.1–8.7 in) long, the flowers at the base of the cluster opening first. The flowers are greyish-green to silvery on the outside, the inside and the style bright orange-yellow or reddish, the pistil 23–36 mm (0.91–1.42 in) long. Flowering occurs in most months with a peak from May to September and the fruit is a shaggy-hairy follicle 14–21 mm (0.55–0.83 in) long. [2] [3]

Plants from Queensland are non-lignotuberous shrubs to small trees with smooth bark and lighter inflorescences than other forms. A prostrate form which spreads up to 5 m (16 ft) across is found on exposed areas near Cooktown in north Queensland. Plants from Western Australia and the Northern Territory grow as a rough-barked lignotuberous shrub to small tree. A population of this last form from Kakadu National Park has all-silvery leaves. [4]

Taxonomy

Grevillea pteridifolia was first collected by Europeans from the vicinity of the Endeavour River sometime around 10 June and again from Lookout Point around 4 August 1770 by Joseph Banks and Daniel Solander, naturalists on the Endeavour during Lieutenant (later Captain) James Cook's first voyage to the Pacific Ocean. [5] However, the description of the species was not published until Joseph Knight described it in his 1809 work On the cultivation of the plants belonging to the natural order of Proteeae as Grevillia Pteridifolia (the "Pteris-leaved Grevillia"). [6] [7] The following year Robert Brown gave it the name Grevillea chrysodendron in his work Prodromus Florae Novae Hollandiae et Insulae Van Diemen . [8] [9] In 1870, George Bentham used Brown's name in volume 5 of his landmark publication Flora Australiensis , however it has since been reduced to synonymy with Grevillea pteridifolia as it is not the oldest published name. [1] [10]

Distribution and habitat

Grevillea pteridifolia is found from the Kimberley region of Western Australia, across the Northern Territory and into Queensland where it is found along the Great Dividing Range to the vicinity of Barcaldine. [2] It is found in regions with wet summers, dry winters and 500 to 1,500 mm (20 to 59 in) annual rainfall. [4]

Uses and cultivation

Golden grevillea grows readily in warm climates, generally preferring extra water in summer and well-drained soils. The brittle branches can break in strong winds. [4] Several popular garden grevilleas are hybrids between Grevillea pteridifolia and other species. [2] Grevillea 'Sandra Gordon' is the result of crossing with G. sessilis . [11] Grevillea 'Honey Gem' is a cross with a red form of Grevillea banksii . [12] Similar to 'Honey Gem' is G. 'Winter Sparkles', another hybrid of G. pteridifolia and G. banksii. [13]

The leaves were used as stuffing and as a herb when cooking emu by the Aborigines on Groote Eylandt, and used by early settlers to stuff pillows. [4]

A series of compounds with antibacterial activity, called the kakadumycins, have been isolated from a streptomycete recovered from G. pteridifolia. [14]

Related Research Articles

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<i>Grevillea whiteana</i> Species of shrub in the family Proteaceae endemic to Queemsland, Australia

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

Grevillea bipinnatifida, commonly known as fuchsia grevillea, is a species of flowering plant in the family Proteaceae and is endemic to the south-west of Western Australia. It is a spreading shrub, usually with bipinnatifid leaves and loose clusters of dull pink to crimson flowers.

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

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

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<i>Hakea lorea</i> Species of shrub or small tree in the family Proteaceae found in central and northern Australia

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<i>Persoonia rigida</i> Species of flowering plant

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<i>Persoonia laurina</i> Species of shrub

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<i>Grevillea parallela</i> Species of shrub in the family Proteaceae endemic to northern Australia

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<i>Grevillea ramosissima</i> Species of shrub in the family Proteaceae endemic to south-eastern Australia

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

Grevillea pyramidalis, commonly known as the caustic bush, is a species of flowering plant in the family Proteaceae and is endemic to north-western Australia. It is an erect, spindly shrub or small tree with simple linear or pinnatisect leaves with linear to narrowly egg-shaped lobes, and white to yellow or cream-coloured flowers.

<i>Leucopogon assimilis</i> Species of shrub

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<i>Leucopogon glabellus</i> Species of shrub

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<i>Styphelia multiflora</i> Species of shrub

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Leucopogon striatus is a species of flowering plant in the heath family Ericaceae and is endemic to the south of Western Australia. It is an erect to spreading shrub with egg-shaped leaves and white, tube-shaped flowers arranged in dense spikes on the ends of branches and in upper leaf axils.

Styphelia compacta is a species of flowering plant in the heath family Ericaceae and is endemic to the south-west of Western Australia. It is a widely spreading or prostrate, much-branched shrub with egg-shaped leaves or lance-shaped leaves with the narrower end towards the base, and red flowers arranged in leaf axils.

References

  1. 1 2 3 "Grevillea pteridifolia". Australian Plant Census. Retrieved 23 October 2022.
  2. 1 2 3 4 "Grevillea pteridifolia". Australian Biological Resources Study, Department of Agriculture, Water and the Environment: Canberra. Retrieved 26 October 2022.
  3. 1 2 "Grevillea pteridifolia ". FloraBase . Western Australian Government Department of Biodiversity, Conservation and Attractions.
  4. 1 2 3 4 5 Olde, Peter; Marriott, Neil (1995). The Grevillea Book Volume 3. Australia: Kangaroo Press. pp. 114–16. ISBN   0864176112.
  5. ↑
    • Olde, Peter; Marriott, Neil (1995). The Grevillea Book, vol 1. Sydney: Kangaroo Press. pp. 12–13. ISBN   0-86417-325-3.
  6. ↑ "Grevillea psilantha". APNI. Retrieved 26 October 2022.
  7. ↑ Knight, Joseph (1809). On the Cultivation of the Plants Belonging to the Natural Order of Proteeae. London: W. Savage, printer. Retrieved 26 October 2022.
  8. ↑ "Grevillea chrysodendron". APNI. Retrieved 26 October 2022.
  9. ↑ Brown, Robert (1810). Prodromus Florae Novae Hollandiae et Insulae Van Diemen. London, UK: Richard Taylor and Company. pp. 379–80.
  10. ↑ Bentham, George (1870). Flora Australiensis Volume 5: Myoporineae to Proteaceae. London, UK: L. Reeve & Co. p. 434.
  11. ↑ "Grevillea 'Sandra Gordon'". List of Registered Cultivars derived from Australian native flora. Australian Cultivar Registration Authority. Retrieved 10 May 2013.
  12. ↑ "Grevillea 'Honey Gem'". List of Registered Cultivars derived from Australian native flora. Australian Cultivar Registration Authority. Retrieved 10 May 2013.
  13. ↑ "Grevillea 'Winter Sparkles'". List of Registered Cultivars derived from Australian native flora. Australian Cultivar Registration Authority. Retrieved 10 May 2013.
  14. ↑ Castillo, U; et al. (July 2003). "Kakadumycins, novel antibiotics from Streptomyces sp NRRL 30566, an endophyte of Grevillea pteridifolia". FEMS Microbiology Letters. 224 (2): 183–190. doi: 10.1016/s0378-1097(03)00426-9 . PMID   12892881.
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