Grevillea thelemanniana

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Grevillea thelemanniana
Grevillea thelemanniana.jpg
In Geelong Botanic Gardens
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Proteales
Family: Proteaceae
Genus: Grevillea
Species:
G. thelemanniana
Binomial name
Grevillea thelemanniana
Synonyms [1]
  • Grevillea thelemaniana Lindl. orth. var.
  • Grevillea thelemannianaHügel ex Lindl. nom. illeg.
  • Grevillea thelemannianaHügel ex Endl. subsp. thelemanniana
  • Hakea thelemanniana(Hügel ex Endl.) Christenh. & Byng

Grevillea thelemanniana, commonly known as spider net grevillea, [2] is species of flowering plant in the family Proteaceae and is endemic to Perth, Western Australia. It is a spreading shrub with linear and pinnatipartite to pinnatisect leaves with linear to narrowly elliptic lobes, and clusters of 6 to 14 pinkish-red and cream-coloured flowers with a red, green-tipped style.

Contents

Description

Grevillea thelemanniana is a spreading shrub that typically grows to 0.5–1 m (1 ft 8 in – 3 ft 3 in) high and 1–2.5 m (3 ft 3 in – 8 ft 2 in) or more wide. Its leaves are linear and pinnatipartite to pinnatisect, 25–45 mm (0.98–1.77 in) long with 2 to 5 lobes, the end lobes of the divided leaves 2–8 mm (0.079–0.315 in) long, the linear leaves and the end lobes of the divided leaves are 1.0–1.5 mm (0.039–0.059 in) wide. The upper surface of the leaves is more or less glabrous, the edges of the leaves are down-curved or rolled under, and the lower surface is silky-hairy. The flowers are borne in cylindrical clusters of 6 to 14 on one side of a raceme 5–15 mm (0.20–0.59 in) long. The flowers are pinkish red and cream-coloured, the style red with a green tip, and the pistil is 24–28 mm (0.94–1.10 in) long. Flowering occurs from July to October and the fruit is an oblong to elliptic follicle 12–13 mm (0.47–0.51 in) long. [2] [3] [4]

Taxonomy

Grevillea thelemanniana was first formally described in 1839 by Stephan Endlicher in Novarum Stirpium Decades, from an unpublished description by Charles von Hügel. [5] [6] The specific epithet (thelemanniana) honours C. Thelemann, a Viennese gardener. [4] [7]

Distribution and habitat

Spider net grevillea grows in winter-wet swampy heath in the Cannington, Kenwick and Wattle Grove suburbs of Perth, Western Australia. [2] [3]

Conservation status

Grevillea thelemanniana is listed as "critically endangered" under the Australian Government Environment Protection and Biodiversity Conservation Act 1999 and as "Threatened" by the Western Australian Government Department of Biodiversity, Conservation and Attractions, [2] meaning that it is in danger of extinction. [8]

Related Research Articles

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

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

Grevillea refracta, commonly known as silver-leaf grevillea, is a species of plant in the protea family and is native to northern Australia. It is a tree or shrub usually with pinnatipartite leaves and red and yellow flowers arranged on a branched, downcurved raceme.

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

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

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

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

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

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

Grevillea wittweri is a species of flowering plant in the family Proteaceae and is endemic to the southwest of Western Australia. It is a shrub with pinnatipartite leaves, and clusters of greenish to fawn flowers with a crimson style.

<i>Dasymalla terminalis</i> Species of flowering plant

Dasymalla terminalis, commonly known as native foxglove, is a flowering plant in the mint family Lamiaceae and is endemic to the south-west of Western Australia. It is a shrub with its branches, leaves and some of its flower parts densely covered with white, woolly hairs. The leaves are thick and soft and the flowers are tube-shaped, pale to deep pinkish-purple or claret red.

Grevillea saxicola is a species of flowering plant in the family Proteaceae and is endemic to the Pilbara region of Western Australia. It is a shrub or small tree usually with pinnatisect leaves with linear lobes, and cylindrical clusters of cream-coloured to pale yellow flowers.

References

  1. 1 2 "Grevillea thelemanniana". Australian Plant Census. Retrieved 12 March 2023.
  2. 1 2 3 4 "Grevillea thelemanniana". FloraBase . Western Australian Government Department of Biodiversity, Conservation and Attractions.
  3. 1 2 "Grevillea thelemanniana". Australian Biological Resources Study, Department of Agriculture, Water and the Environment: Canberra. Retrieved 21 March 2023.
  4. 1 2 Wrigley, John W.; Fagg, Murray A. (1991). Banksias, waratahs & grevilleas : and all other plants in the Australian Proteaceae family. North Ryde, NSW, Australia: Angus & Robertson. p. 340–342. ISBN   0207172773.
  5. "Grevillea thelemanniana". APNI. Retrieved 21 March 2023.
  6. Endlicher, Stephan (1839). Endlicher, Stephan; Fenzl, Edouard (eds.). Novarum Stirpium Decades. p. 6. Retrieved 21 March 2023.
  7. Sharr, Francis Aubi; George, Alex (2019). Western Australian Plant Names and Their Meanings (3rd ed.). Kardinya, WA: Four Gables Press. p. 323. ISBN   9780958034180.
  8. "Conservation codes for Western Australian Flora and Fauna" (PDF). Government of Western Australia Department of Parks and Wildlife. Retrieved 22 March 2023.