Grevillea × gaudichaudii

Grevillea × gaudichaudii is a hybrid species of flowering plant in the family Proteaceae and is endemic to a restricted area of New South Wales. It is a prostrate shrub with deeply lobed leaves and toothbrush-like groups of dark pink to burgundy-red flowers. The plant is a popular garden ground-cover.

Grevillea × gaudichaudii
In Royal Botanic Gardens, Cranbourne
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Proteales
Family: Proteaceae
Genus: Grevillea
Species:
G. × gaudichaudii
Binomial name
Grevillea × gaudichaudii

Description

Grevillea × gaudichaudii is a naturally occurring hybrid between Grevillea acanthifolia subsp. acanthifolia and Grevillea laurifolia, growing as a prostrate plant 2–3 m (6 ft 7 in – 9 ft 10 in) in diameter. Its leaves are pinnately-lobed, the lobes oblong to egg-shaped and softly-hairy on the lower surface but not sharply pointed. The flowers are arranged in toothbrush-like racemes less than 25 mm (0.98 in) long and are dark pink to burgundy-red, the style more than 20 mm (0.79 in) long and the ovary stalked and glabrous. Flowering occurs from October to December.[2][3][4]

Taxonomy

Grevillea × gaudichaudii was first formally described in 1827 by Charles Gaudichaud-Beaupré in Voyage autour du monde, entrepris par ordre du roi from an unpublished description by Robert Brown of plants collected in the Jamieson Valley (near Katoomba).[5][6]

Distribution and habitat

This grevillea grows in sandy soil and is restricted to parts of the higher Blue Mountains.[4][7]

Use in horticulture

A fast-growing ground cover, this grevillea is frost-resistant and tolerates most soil types, preferring sunny sites in well-drained soil. It can be grown from cuttings.[3][8]

References
  1. "Grevillea × gaudichaudii". Australian Plant Census. Retrieved 26 April 2022.
  2. Carolin, Roger C.; Tindale, Mary D (1994). Flora of the Sydney region (4th ed.). Chatswood, NSW: Reed. pp. 267–268. ISBN 0730104001.
  3. Grow what basic : 200 popular Australian plants for your garden & how to grow them. Melbourne, Victoria [Australia]: Nelson. 1983. p. 115. ISBN 0170062864.
  4. Fairley, Alan (1989). Native plants of the Sydney district : an identification guide. Kenthurst: Kangaroo Press in association with the Society for Growing Australian Plants-NSW. p. 166. ISBN 0864172613.
  5. "Grevillea × gaudichaudii". APNI. Retrieved 26 April 2022.
  6. Gaudichaud-Beaupré, Charles (1826). de Freycinet, Louis C.D. (ed.). Voyage autour du monde, entrepris par ordre du roi. Exécuté sur les corvettes de S.M. l'Uranie et la Physicienne, pendant les années 1817, 1818, 1819 et 1820. Paris. p. 443. Retrieved 26 April 2022.
  7. "Grevillea x gaudichaudii". Royal Botanic Garden Sydney. Retrieved 26 April 2022.
  8. Wrigley, John W.; Fagg, Murray (1983). Australian native plants : a manual for their propagation, cultivation and use in landscaping (2nd ed.). Sydney: Collins. p. 81. ISBN 0002165759.
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