Grevillea humilis

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Grevillea humilis
Grevillea humilis lucens.jpg
Subspecies lucens in the Australian National 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. humilis
Binomial name
Grevillea humilis
Subspecies
  • Grevillea humilisMakinson subsp. humilis
  • Grevillea humilis subsp. lucensMakinson
  • Grevillea humilis subsp. maritimaMakinson
Subspecies maritima in the Coffs Harbour Botanic Garden Grevillea humilis maritima.jpg
Subspecies maritima in the Coffs Harbour Botanic Garden

Grevillea humilis is a species of flowering plant in the family Proteaceae and is endemic to eastern New South Wales. It is an erect to spreading shrub with narrowly elliptic to more or less linear leaves, and pink or white flowers.

Contents

Description

Grevillea humilis is an erect to spreading shrub, that typically grows to a height of 0.3–1.3 m (1 ft 0 in – 4 ft 3 in) and forms a rhizome. Its leaves are narrowly elliptic to more or less linear or lance-shaped to egg-shaped with the narrower end towards the base, 20–50 mm (0.79–1.97 in) long and 1.5–6 mm (0.059–0.236 in) wide, sometimes arranged in clusters of three. The flowers are arranged in loose clusters of 10 to 24 and are pink or white, the pistil usually 7–12 mm (0.28–0.47 in) long. Flowering time varies with subspecies and the fruit is a follicle 8–11 mm (0.31–0.43 in) long. [3] [4]

Taxonomy

Grevillea humilis was first formally described in 2000 by Robert Owen Makinson in the Flora of Australia from specimens collected near the Bucketts Way in 1985. [3] [5] The specific epithet (humilis) means "low or small". [5]

In the same publication, Makinson described three subspecies of G. humilis and the names are accepted by the Australian Plant Census:

Distribution and habitat

Grevillea humilis occurs in the Glass House Mountains of South Eastern Queensland and south through the coast and nearby ranges of eastern New South Wales. [3] [4] Subspecies humilis grows in woodland in the Hunter region of New South Wales, inland as far as Scone. [8] [7] Subspecies lucens grows in open forest or woodland in the Glass House Mountains in Queensland and on the far New South Wales North Coast. [11] [10] Subspecies maritima grows in heath in rocky places in heath on the North Coast of New South Wales as far north as Bundjalung National Park. [14] [13]

Conservation status

Grevillea humilis is listed as Least Concern on the IUCN Red List of Threatened Species. It is widely distributed and faces no major current threats overall, although it is believed to be in minor decline. Subspecies humilis is threatened by suburban expansion within parts of its range, though this does not affect the species as a whole to a degree that would warrant it a threatened or near-threatened category. [1]

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<i>Grevillea montis-cole</i> Species of shrub in the family Proteaceae endemic to Victoria, Australia

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Grevillea nematophylla, commonly known as water bush or silver-leaved water bush, is a species of flowering plant in the family Proteaceae and is endemic to Australia. It is shrub or small tree with simple or pinnatisect leaves, the leaves or lobes linear, and branched, cylindrical clusters of cream-coloured flowers.

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

Grevillea diffusa is a species of flowering plant in the family Proteaceae and is endemic to the Sydney region of New South Wales. It is a low, compact shrub with elliptic to linear leaves, and dark red, or dark crimson to scarlet and burgundy-coloured flowers.

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

Grevillea halmaturina is a species of flowering plant in the family Proteaceae and is endemic to South Australia. It is a prickly, spreading to erect shrub with sharply-pointed, linear to more or less-cylindrical leaves and large groups of white to pale pink flowers.

References

  1. 1 2 Makinson, R.; Olde, P. (2020). "Grevillea humilis". IUCN Red List of Threatened Species . 2020: e.T113021233A113309410. doi: 10.2305/IUCN.UK.2020-2.RLTS.T113021233A113309410.en . Retrieved 24 January 2024.
  2. ↑ "Grevillea humilis". Australian Plant Census. Retrieved 20 May 2022.
  3. 1 2 3 "Grevillea humilis". Australian Biological Resources Study, Department of Agriculture, Water and the Environment: Canberra. Retrieved 20 May 2022.
  4. 1 2 Makinson, Robert O. "Grevillea humilis". Royal Botanic Garden Sydney. Retrieved 20 May 2022.
  5. 1 2 "Grevillea humilis". APNI. Retrieved 20 May 2022.
  6. ↑ "Grevillea humilis subsp. humilis". Australian Plant Census. Retrieved 20 May 2022.
  7. 1 2 Makinson, Robert O. "Grevillea humilis subsp. humilis". Royal Botanic Garden Sydney. Retrieved 20 May 2022.
  8. 1 2 "Grevillea humilis subsp. humilis". Australian Biological Resources Study, Department of Agriculture, Water and the Environment: Canberra. Retrieved 20 May 2022.
  9. ↑ "Grevillea humilis subsp. lucens". Australian Plant Census. Retrieved 20 May 2022.
  10. 1 2 Makinson, Robert O. "Grevillea humilis subsp. lucens". Royal Botanic Garden Sydney. Retrieved 20 May 2022.
  11. 1 2 "Grevillea humilis subsp. lucens". Australian Biological Resources Study, Department of Agriculture, Water and the Environment: Canberra. Retrieved 20 May 2022.
  12. ↑ "Grevillea humilis subsp. maritima". Australian Plant Census. Retrieved 20 May 2022.
  13. 1 2 Makinson, Robert O. "Grevillea humilis subsp. maritima". Royal Botanic Garden Sydney. Retrieved 20 May 2022.
  14. 1 2 "Grevillea humilis subsp. maritima". Australian Biological Resources Study, Department of Agriculture, Water and the Environment: Canberra. Retrieved 20 May 2022.
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