''Protea scabriuscula'', also known as the hoary sugarbush or gray sugarbush, is a flowering shrub,

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 els ...

to the southwestern Cape Region of

South Africa South Africa, officially the Republic of South Africa (RSA), is the southernmost country in Africa. It is bounded to the south by of coastline that stretch along the South Atlantic and Indian Oceans; to the north by the neighbouring count ...

. The species was first described by

Edwin Percy Phillips Edwin Percy Phillips (18 February 1884 – 12 April 1967) was a South African botanist and taxonomist, noted for his monumental work ''The Genera of South African Flowering Plants'' first published in 1926. Phillips was born in Sea Point, Cap ...

in 1910. This plant grows in the form of a bush which can reach up to 50 cm (20 in) tall. Its leaves are narrow, and range in size from 0.5 to 2 cm wide. The small

flowerhead Flowerhead was a rock band from Austin, Texas. Biography The seeds of Flowerhead were originally planted deep underground by founding members Eric Faust (Lead Vocals, Bass, Guitars) and Buz Zoller (Guitars, Vocals) in 1987. With the addition of ...

only grows up to 6 cm across. The plants' dense stems form a round, cushion-like clump. ''Protea scabriuscula'' is

to the

Western Cape The Western Cape is a province of South Africa, situated on the south-western coast of the country. It is the fourth largest of the nine provinces with an area of , and the third most populous, with an estimated 7 million inhabitants in 2020 ...

province of South Africa. Its range is limited to a few localised areas in this province. Specifically, the plant has been observed only on the high Matroosberg in the

Hex River Mountains The Hex River Mountains ( af, Hexrivierberge) make up the second highest mountain range in the Western Cape province of South Africa and are located 120 kilometres (75 miles) north-east of Cape Town. They form part of a large anticline in the C ...

and on the peaks of the

Koue Bokkeveld Mountains The Koue Bokkeveld, meaning "Cold Buck Shrubland" in Afrikaans, is a mountain range in the Western Cape Province, South Africa. Geologically the range is composed of Cedarberg Sandstone of the Cape System. Location and extent It is located above ...

. It prefers a fynbos

habitat In ecology, the term habitat summarises the array of resources, physical and biotic factors that are present in an area, such as to support the survival and reproduction of a particular species. A species habitat can be seen as the physical ...

. It is usually found on

sandstone Sandstone is a clastic sedimentary rock composed mainly of sand-sized (0.0625 to 2 mm) silicate grains. Sandstones comprise about 20–25% of all sedimentary rocks. Most sandstone is composed of quartz or feldspar (both silicates ...

-derived soils, although sometimes on those based on

quartzite Quartzite is a hard, non- foliated metamorphic rock which was originally pure quartz sandstone.Essentials of Geology, 3rd Edition, Stephen Marshak, p 182 Sandstone is converted into quartzite through heating and pressure usually related to tec ...

. The population was believed to be stable by the

South African National Biodiversity Institute The South African National Biodiversity Institute (SANBI) is an organisation established in 2004 in terms of the National Environmental Management: Biodiversity Act, No 10 of 2004, under the South African Department of Environmental Affairs ...

in 2019. This institute has assessed the conservation status as '

least concern A least-concern species is a species that has been categorized by the International Union for Conservation of Nature (IUCN) as evaluated as not being a focus of species conservation because the specific species is still plentiful in the wild. Th ...

' first in 2009, later again in 2019.

References

External links

Protea Atlas Project: Resprouting in the Western Ground and Snow Proteas
scabriuscula Endemic flora of the Cape Provinces Fynbos {{proteaceae-stub