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Grevillea scortechinii () 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 geographically isolated subspecies; subsp. scortechinii, known as black grevillea found in Queensland and subsp. sarmentosa, known as Backwater grevillea and found in New South Wales.
Although uncommon, this species is cultivated in gardens across Australia as an ornamental plant for its unusual black flowers which are sought after by grevillea collectors. Subspecies scortechinii is hardy and long-lived plant tolerant of light frost and extended dry periods as well as summer humidity. It grows best in dry climates and in acidic, sandy, well-drained soil in a full sun or partly shaded position. Specimens have been successfully grown and flowered in gardens as far south as Melbourne and as far north as Brisbane.
Subspecies sarmentosa is the more hardy and adaptable of the two subspecies, having been successfully cultivated in a wider climatic range and in a greater variety of soil types, although an acidic to neutral loam is preferred. Like subsp. scortechinii, it grows best in well-drained soil in a sunny or partly shady position. Plants have been grown in the Australian National Botanic Gardens in Canberra, Burrendong Arboretum near Wellington in N.S.W. and in Joseph Banks Native Plants Reserve in Sydney.
Grevillea scortechinii grows in woodland often on granite or in remnant roadside vegetation. Subspecies sarmentosa occurs near Guyra in New South Wales and subsp. scortechinii between Stanthorpe and Cottonvale in Queensland.
Grevillea acacioides · Grevillea acanthifolia · Grevillea acerata · Grevillea acrobotrya · Grevillea acropogon · Grevillea acuaria · Grevillea adenotricha · Grevillea agrifolia · Grevillea albiflora · Catclaws Grevillea · Grevillea alpivaga · Grevillea althoferorum
Text excerpted from the Wikipedia article Grevillea scortechinii by its contributors, under CC BY-SA 4.0; the excerpts are shared under the same licence.
Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.
