''Grevillea treueriana'', also known as Mount Finke grevillea or scarlet grevillea, is a species of flowering plant in the family Proteaceae and is

endemic Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found else ...

Mount Finke Mount Finke is a monadnock in the Australian state of South Australia located in the gazetted locality of Yellabinna about north of Ceduna. In 1999, it was described as follows:It is about 5km long with an elevation of 369 m AHD, it stands ab ...

in South Australia. It is a shrub with pinnatisect leaves with 3 to 7 lobes, the end lobes linear and sharply pointed, and bright scarlet flowers on one side of the floral

rachis In biology, a rachis (from the grc, ῥάχις [], "backbone, spine") is a main axis or "shaft". In zoology and microbiology In vertebrates, ''rachis'' can refer to the series of articulated vertebrae, which encase the spinal cord. In this c ...

Description

''Grevillea treueriana'' is shrub that typically grows up to high and wide and has softly-hairy branchlets. Its leaves are pinnatisect, long with 3 to 7 lobes, the end lobes linear, long, wide and sharply pointed. The edges of the leaves are rolled under, enclosing most of the lower surface apart from the mid-vein. The flowers are arranged along one side of a rachis long with about 20 to 35 bright scarlet flowers, the pistil long. Flowering occurs from June to October and the fruit is a softly-hairy follicle long.

Taxonomy

''Grevillea treueriana'' was first formally described in 1875 by Ferdinand von Mueller in his '' Fragmenta Phytographiae Australiae'' from specimens collected by

Jess Young Jess Young (Jesse) (1851–1909) was an English traveller. He is best known as an explorer who accompanied Ernest Giles during his fourth expedition, making some important botanical collections along the way. Life He was a younger son of Richard ...

. The specific epithet honours Adolph von Treuer, a German Consul to Australia in the 19th century.

Distribution and habitat

Mount Finke grevillea in restricted to Mount Finke in central inland South Australia, where it grows in rocky crevices in shallow sand.

Conservation status

''Grevillea treueriana'' is listed as "vulnerable" under the Australian Government ''

Environment Protection and Biodiversity Conservation Act 1999 The ''Environment Protection and Biodiversity Conservation Act 1999'' (Cth) is an Act of the Parliament of Australia that provides a framework for protection of the Australian environment, including its biodiversity and its natural and cult ...

'' and the South Australian ''

National Parks and Wildlife Act 1972 Protected areas of South Australia consists of protected areas located within South Australia and its immediate onshore waters and which are managed by South Australian Government agencies. As of March 2018, South Australia contains 359 sepa ...

''. The main threats to the species include grazing by feral animals, habitat loss, and inappropriate fire regimes.

Use in horticulture

This species prefers a dry climate and well drained soil, but can be grafted on to rootstocks of ''

Grevillea robusta ''Grevillea robusta'', commonly known as the southern silky oak, silk oak or silky oak, silver oak or Australian silver oak, is a flowering plant in the family Proteaceae. It is a tree, the largest species in its genus but is not closely rela ...

'' or ''Grevillea'' 'Poorinda Royal Mantle' to enable cultivation in areas with higher humidity and rainfall. Plants can be propagated by taking cuttings from current seasons growth, or from seed which has been nicked with a sharp knife.

References

{{Taxonbar, from=Q5608029 treueriana Flora of South Australia Proteales of Australia Garden plants of Australia Vulnerable flora of Australia Taxa named by Ferdinand von Mueller Plants described in 1875