''Curio hallianus'', syn. ''Senecio hallianus'', is a creeping

succulent 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 ...

plant in the daisy family

Asteraceae The family Asteraceae, alternatively Compositae, consists of over 32,000 known species of flowering plants in over 1,900 genera within the order Asterales. Commonly referred to as the aster, daisy, composite, or sunflower family, Compositae w ...

that is native to

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 also known as chain of blue beans or string of beans.

Description

This perennial is a fleshy, mat-forming, trailing succulent that is very similar in appearance to ''

Curio radicans ''Curio radicans'', syn. ''Senecio radicans'', is a succulent houseplant that is native to South Africa. A member of the family Asteraceae, the asters, this species is closely related to the common string of pearls and ''Curio hallianus''. It ha ...

'', but it has

blue-grey Livid is a medium bluish-gray color. This color name comes from the Latin color term ''lividus'' meaning "'a dull leaden-blue color', and also used to describe the color of contused flesh, leading to the English expression 'black and blue'". ...

leaves, whereas ''radicans'' has green leaves.Curio hallianus
by World of Succulents The stems contain a gummy resin. The leaves grow on only one side of the stem.e-Flora of South Africa. v1.36. 2022. South African National Biodiversity Institute. http://ipt.sanbi.org.za/iptsanbi/resource?r=flora_descriptions&v=1.36 Between one and three white flowerheads grow on terminal stems that are up to 10 cm tall. They are fragrant and disc shaped.

Distribution and habitat

This plant is found growing in rock fissures between Prince Albert and the

Great Karoo The Karoo ( ; from the Afrikaans borrowing of the South Khoekhoe !Orakobab or Khoemana word ''ǃ’Aukarob'' "Hardveld") is a semi- desert natural region of South Africa. No exact definition of what constitutes the Karoo is available, so its ex ...

in South Africa.

References

{{Taxonbar, from=Q15597710 hallianus Flora of South Africa Garden plants Drought-tolerant plants Plants described in 1958