Grevillea scortechinii

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Grevillea scortechinii
Grevillea scortechinii.jpg
Subspecies scortechinii
Scientific classification Red Pencil Icon.png
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Proteales
Family: Proteaceae
Genus: Grevillea
Species:
G. scortechinii
Binomial name
Grevillea scortechinii
(F.Muell. ex Scort.) F.Muell. [1]
Subspecies sarmentosa in the ANBG Grevillea scortechinii subsp.jpg
Subspecies sarmentosa in the ANBG

Grevillea scortechinii, commonly known as black grevillea, [2] [3] is a species of flowering plant in the family Proteaceae and is endemic to eastern Australia. It is a prostrate to sprawling shrub with serrated to pinnatifid leaves, the end lobes broadly triangular and often sharply-pointed, and clusters of brown flowers with a dark purplish-black style. There are two subspecies, subsp. scortechinii found in Queensland and subsp. sarmentosa, found in New South Wales.

Contents

Description

Grevillea scortechinii is a prostrate to sprawling shrub that typically grows up to 0.8 m (2 ft 7 in) high and 1.2 m (3 ft 11 in) wide. Its leaves are egg-shaped to oblong in outline, 30–110 mm (1.2–4.3 in) long and 20–60 mm (0.79–2.36 in) wide but serrated to pinnatifid with 3 to 14 lobes or broad teeth that are sometimes further divided, the end lobes rounded, to broadly triangular and up to 20 mm (0.79 in) long and sometimes sharply pointed. The lower surface of the leaves is silky-hairy. The flowers are borne on one side of a rachis 20–45 mm (0.79–1.77 in) long and brown, the style purplish black with a green pollen presenter. The flower stalk is 1.0–1.6 mm (0.039–0.063 in) long and the pistil 19–22 mm (0.75–0.87 in) long. Flowering time varies with subspecies and the fruit is a silky-hairy follicle 8.5–12 mm (0.33–0.47 in) long. [4]

Taxonomy

This grevillea was first formally described in 1883 by Benedetto Scortechini in the Proceedings of the Linnean Society of New South Wales from an unpublished description by Ferdinand von Mueller who gave it the name Grevillea ilicifolia var. scortechinii. [5] [6] In 1889, von Mueller raised the variety to species status as G. scortechinii in the Second Systematic Census of Australian Plants .

In 1989, Donald McGillivray described two subspecies of G. scortechinii and the names are accepted by the Australian Plant Census:

Distribution and habitat

Black grevillea grows in woodland often on granite or in remnant roadside vegetation. Subspecies sarmentosa occurs near Guyra in New South Wales and subsp. scortechenii between Stanthorpe and Cottonvale in Queensland. [8] [11]

Conservation status

Subspecies sarmentosa is listed as "vulnerable" under the New South Wales Government Biodiversity Conservation Act and subsp. scortechenii is listed as "critically endangered" under the Australian Government Environment Protection and Biodiversity Conservation Act 1999 .

Related Research Articles

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<i>Grevillea ilicifolia</i> Species of shrub in the family Proteaceae endemic to South Australia, Victoria and New South Wales

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Grevillea angustiloba, commonly known as dissected holly-leaf grevillea, is a species of flowering plant in the family Proteaceae and is endemic to southern continental Australia. It is a prostrate, low-lying or erect shrub with deeply divided pinnate leaves and usually red, sometimes orange or pale yellow flowers.

Grevillea parviflora, commonly known as small-flower grevillea, is a species of flowering plant in the family Proteaceae and is endemic to the Sydney region of eastern New South Wales. It is a low, dense, spreading to erect shrub with more or less linear leaves and white flowers with a red style that sometimes turns red as it ages.

<i>Grevillea juncifolia</i> Species of shrub or tree in the family Proteaceae endemic to inland Australia

Grevillea juncifolia, commonly known as honeysuckle grevillea, honey grevillea, honeysuckle spider flower, and many indigenous names, is a species of flowering plant in the family Proteaceae and is endemic to inland Australia. It is a bushy shrub or small tree with erect, linear leaves and clusters of bright yellow to orange flowers.

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

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

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References

  1. "Grevillea scortechinii". Australian Plant Census. Retrieved 23 January 2023.
  2. 1 2 "Grevillea scortechinii subsp. sarmentosa". Royal Botanic Garden Sydney. Retrieved 23 January 2023.
  3. "SPRAT Profile Grevillea scortechinii subsp. scortechinii — Black Grevillea". Australian Government Department of Climate Change, Energy, the Environment and Water. Retrieved 23 January 2023.
  4. "Grevillea scortechinii". Australian Biological Resources Study, Department of Agriculture, Water and the Environment: Canberra. Retrieved 23 January 2023.
  5. "Grevillea ilicifolia var. scortechinii". APNI. Retrieved 23 January 2023.
  6. Scortechini, Benedetto (1883). "Contributions to the flora of Queensland". Proceedings of the Linnean Society of New South Wales. 8 (1): 174. Retrieved 23 January 2023.
  7. "Grevillea scortechinii subsp. sarmentosa". Australian Plant Census. Retrieved 23 January 2023.
  8. 1 2 "Grevillea scortechinii subsp. sarmentosa". Australian Biological Resources Study, Department of Agriculture, Water and the Environment: Canberra. Retrieved 23 January 2023.
  9. 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. 328. ISBN   0207172773.
  10. "Grevillea scortechinii subsp. scortechinii". Australian Plant Census. Retrieved 23 January 2023.
  11. 1 2 "Grevillea scortechinii subsp. scortechinii". Australian Biological Resources Study, Department of Agriculture, Water and the Environment: Canberra. Retrieved 23 January 2023.