''Astroloba robusta'' is a small

succulent plant In botany, succulent plants, also known as succulents, are plants with parts that are thickened, fleshy, and engorged, usually to retain water in arid climates or soil conditions. The word ''succulent'' comes from the Latin word ''sucus'', meani ...

of the genus ''

Astroloba ''Astroloba'' is a genus of flowering plants in the family Asphodelaceae, subfamily Asphodeloideae,Stevens, P.F. (2001 onwards)"Asphodeloideae" ''Angiosperm Phylogeny Website'', retrieved 2016-06-10 native to the Cape Province of South Africa. ...

'' indigenous to the arid southern Cape regions 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 countri ...

. It is the most widespread ''

'' species.

Name

This plant is commonly known in the local

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 "Vetstingel" ("Fat-stalk"). This name, like its Latin species name ''"robusta"'', refers to its thick peduncle. Another common name is "Bokverwurg" ("Goat-choaker"), on account of the extremely hard, sharp leaves on its stems.

Description

''Astroloba robusta'' is a relatively widespread ''

'' species, first formally described in 2017. Its stems are described as densely covered in sharp, triangular succulent leaves, with a glossy leaf-surface, a grey-brown colour, and with white margins and keels. This species produces small, robust, cream-white flowers in May to October (southern hemisphere), on an unbranched

inflorescence An inflorescence is a group or cluster of flowers arranged on a stem that is composed of a main branch or a complicated arrangement of branches. Morphologically, it is the modified part of the shoot of seed plants where flowers are formed o ...

. The flowers typically do not have pedicels (

sessile Sessility, or sessile, may refer to: * Sessility (motility), organisms which are not able to move about * Sessility (botany), flowers or leaves that grow directly from the stem or peduncle of a plant * Sessility (medicine), tumors and polyps that ...

), and their lobes curve outwards. The peduncle is robust and relatively short. Several large, elongated, veined, sterile bracts appear along the peduncle.

Distribution

This species is widely distributed across the Karoo flats of the

Western Western may refer to: Places *Western, Nebraska, a village in the US *Western, New York, a town in the US *Western Creek, Tasmania, a locality in Australia *Western Junction, Tasmania, a locality in Australia *Western world, countries that id ...

and

Eastern Cape The Eastern Cape is one of the provinces of South Africa. Its capital is Bhisho, but its two largest cities are East London and Gqeberha. The second largest province in the country (at 168,966 km2) after Northern Cape, it was formed in ...

Provinces,

. It also extends slightly into the

Northern Cape The Northern Cape is the largest and most sparsely populated province of South Africa. It was created in 1994 when the Cape Province was split up. Its capital is Kimberley. It includes the Kalahari Gemsbok National Park, part of the Kgalagadi T ...

. U.Eggli (2001) ''Illustrated Handbook of Succulent Plants: Monocotyledons''. Springer Science & Business Media. p.187.

References

{{Taxonbar, from=Q38875578

robusta ROBUSTA (Radiation on Bipolar for University Satellite Test Application) is a nano-satellite scientific experiment developed by the University of Montpellier students as part of a Centre National d'Études Spatiales (CNES) call for student projects ...

Flora of the Cape Provinces