''Protea acuminata'', also known in English as the black-rim sugarbush, or in the

Afrikaans language Afrikaans (, ) is a West Germanic languages, West Germanic language that evolved in the Dutch Cape Colony from the Dutch dialects, Dutch vernacular of Holland, Holland proper (i.e., the Hollandic dialect) used by Dutch, French, and German set ...

as ''sederbergsuikerbos'', is a flowering

shrub A shrub (often also called a bush) is a small-to-medium-sized perennial woody plant. Unlike herbaceous plants, shrubs have persistent woody stems above the ground. Shrubs can be either deciduous or evergreen. They are distinguished from trees ...

belonging to the genus ''

Protea ''Protea'' () is a genus of South African flowering plants, also called sugarbushes (Afrikaans: ''suikerbos''). Etymology The genus ''Protea'' was named in 1735 by Carl Linnaeus, possibly after the Greek god Proteus, who could change his form a ...

''. The plant 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 elsew ...

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 countri ...

. There are isolated populations at

Nieuwoudtville Nieuwoudtville is a town in Namakwa District Municipality in the Northern Cape province of South Africa. The town lies on the Bokkeveld Escarpment, and was established in 1897. The Nieuwoudtville Falls on the Doring River are located a few kil ...

, and in the

Cederberg The Cederberg mountains are located near Clanwilliam, approximately 300 km north of Cape Town, South Africa at about . The mountain range is named after the endangered Clanwilliam cedar (''Widdringtonia wallichii''), which is a tree end ...

, Stettynskloof and

Riviersonderend Mountains The Riviersonderend Mountains are a mountain range in the Cape Fold Belt of the Western Cape province of South Africa. They run east to west from Riviersonderend to Villiersdorp, separating the Breede River Valley from the Overberg region. They ...

. It can grow as an upright tree. It can become up to two metres in height. It blooms from June to September, with the peak of July to August. Periodic

wildfire A wildfire, forest fire, bushfire, wildland fire or rural fire is an unplanned, uncontrolled and unpredictable fire in an area of Combustibility and flammability, combustible vegetation. Depending on the type of vegetation present, a wildfire ...

s may destroy the adult plants, but the seeds can survive such an event. The seeds are dispersed by means of the wind. The plant is

monoecious Monoecy (; adj. monoecious ) is a sexual system in seed plants where separate male and female cones or flowers are present on the same plant. It is a monomorphic sexual system alongside gynomonoecy, andromonoecy and trimonoecy. Monoecy is conne ...

with both sexes in each flower. It is unknown what causes the pollination to occur. The plant grows in sandy plains and coastal lowlands from

sea-level Mean sea level (MSL, often shortened to sea level) is an average surface level of one or more among Earth's coastal bodies of water from which heights such as elevation may be measured. The global MSL is a type of vertical datuma standardised g ...

to altitudes of 400 metres. It is a widespread species which is not in danger, and the conservation status has been assessed 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. T ...

' (as of 2019).

References

External links

* * acuminata Endemic flora of the Cape Provinces {{proteaceae-stub