Grevillea curviloba

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Grevillea curviloba
Grevillea curviloba.jpg
A garden escape in the A.C.T.
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Proteales
Family: Proteaceae
Genus: Grevillea
Species:
G. curviloba
Binomial name
Grevillea curviloba
Habit near Muchea Grevillea curviloba habit.jpg
Habit near Muchea

Grevillea curviloba is a species of flowering plant in the family Proteaceae and is endemic to the south-west of Western Australia. It is a prostrate to erect shrub with short branchlets, divided leaves with linear to narrowly lance-shaped lobes with the narrower end towards the base, and white to cream-coloured flowers.

Contents

Description

Grevillea curviloba is a prostrate to erect shrub that typically grows to a height of 0.1–2.6 m (3.9 in – 8 ft 6.4 in) and has short branchlets. Its leaves are mostly pinnatipartite, 10–50 mm (0.39–1.97 in) long and 10–15 mm (0.39–0.59 in) wide, with three to five linear to oblong or narrow triangular lobes 4–20 mm (0.16–0.79 in) long and 0.7–2.0 mm (0.028–0.079 in) wide with the edges turned down or rolled under. The flowers are arranged in dome-shaped to more or less cylindrical groups and are cream-coloured to white, the pistil 3.5–6.5 mm (0.14–0.26 in) long. Flowering occurs from August to October and the fruit is an oblong to elliptic follicle 10–13 mm (0.39–0.51 in) long. [3] [4]

Taxonomy

This grevillea was first formally described in 1845 by Carl Meissner who gave it the name Grevillea vestita var. angustifolia in Johann Georg Christian Lehmann's Plantae Preissianae from specimens collected by James Drummond in the Swan River Colony. [5] [6] In 1986 Australian botanical taxonomist Donald McGillivray promoted the variety to species status, giving it the name Grevillea curviloba in his book New names in Grevillea (Proteaceae), [7] the name Grevillea angustata having been given by Robert Brown to a different taxon in 1830. [8]

In 1993, Peter M. Olde and Neil R. Marriott described two subspecies of G. curviloba in the journal Nuytsia and the names are accepted by the Australian Plant Census:

Distribution and habitat

Subspecies curviloba grows in open shrubland in a small area near Bullsbrook [10] [12] and subsp. incurva grows in winter-wet heathland near Muchea. [10] [13]

Conservation status

Grevillea curviloba subsp. incurva is listed as "Threatened" by the Western Australian Government Department of Parks and Wildlife, and an interim recovery plan has been prepared. [14] It has also been listed as Critically Endangered by the International Union for Conservation of Nature, due to a continuing population decline estimated to be greater than 80% within the last 150 years from threats including land clearing, competition with invasive weed species and canker disease. [1]

Use in horticulture

Grevillea curviloba is cultivated as an ornamental plant by plant nurseries, for use in gardens and drought tolerant landscaping. It is grown as a shrub with erect forms, or maintained as a 2 feet (0.61 m) by 15 feet (4.6 m) groundcover with prostrate forms. [15]

Related Research Articles

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

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

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

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

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

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

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

Grevillea neorigida is a species of flowering plant in the family Proteaceae and is endemic to Western Australia. It is compact, spreading shrub with deeply-divided leaves, the end lobes linear and somewhat sharply-pointed, and clusters of creamy-brown to off-white flowers with a scarlet or orange-red style.

References

  1. 1 2 "Grevillea curviloba". The IUCN Red List of Threatened Species. 2020. Retrieved 2 December 2023.
  2. "Grevillea curviloba". Australian Plant Census. Retrieved 15 March 2022.
  3. "Grevillea curviloba". Australian Biological Resources Study, Department of Agriculture, Water and the Environment: Canberra. Retrieved 15 March 2022.
  4. "Grevillea curviloba". FloraBase . Western Australian Government Department of Biodiversity, Conservation and Attractions.
  5. "Grevillea vestita var. angustifolia". APNI. Retrieved 15 March 2022.
  6. Meissner, Carl; Lehmann, Johann G.C. (1845). Plantae Preissianae. Vol. 1. Hamburg. p. 549. Retrieved 15 March 2022.
  7. "Grevillea curviloba". APNI. Retrieved 15 March 2022.
  8. "Grevillea angustifolia". APNI. Retrieved 15 March 2022.
  9. "Grevillea curviloba subsp. curviloba". Australian Plant Census. Retrieved 15 March 2022.
  10. 1 2 3 4 Olde, Peter M.; Marriott, Neil R. (1993). "New species and taxonomic changes in Grevillea (Proteaceae: Grevilleoideae) from south-west Western Australia". Nuytsia. 9 (2): 243–244. Retrieved 15 March 2022.
  11. "Grevillea curviloba subsp. incurva". Australian Plant Census. Retrieved 15 March 2022.
  12. "Grevillea curviloba subsp. curviloba". Australian Biological Resources Study, Department of Agriculture, Water and the Environment: Canberra. Retrieved 15 March 2022.
  13. "Grevillea curviloba subsp. incurva". Australian Biological Resources Study, Department of Agriculture, Water and the Environment: Canberra. Retrieved 15 March 2022.
  14. Phillimore, Robyn; English, Val. "Narrow curved-leaf Grevillea (Grevillea curviloba subsp. incurva) Interim Recovery Plan" (PDF). Australian Government Depart pf Primary Industries, Water and the Environment. Retrieved 15 March 2022.
  15. Walker, Geoff; Walker, Betty. "Perfume and Prickles". Society for Growing Australian Plants - Queensland Region, Inc. Archived from the original on 6 August 2007. Retrieved 15 March 2022.