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Astroloba congesta

Astroloba congesta
Astroloba congesta in cultivation 3.jpg
Scientific classification
Kingdom: Plantae
Clade: Angiosperms
Clade: Monocots
Order: Asparagales
Family: Asphodelaceae
Subfamily: Asphodeloideae
Genus: Astroloba
Species: A. congesta
Binomial name
Astroloba congesta
(Salm-Dyck) Uitewaal
Synonyms
  • Astroloba turgida Baker
  • Astroloba deltoidea Uitewaal

Astroloba congesta is a small succulent plant of the Astroloba genus, indigenous to the Eastern Cape, South Africa.

It is often considered merely to be the eastern form of Astroloba foliolosa.

Astroloba congesta is a compact Astroloba species, with circa 7cm wide stems that are densely covered in sharply-pointed leaves, which sometimes grow in tiers, or in a rough spiral. The leaves are a glossy dark green in colour, concave on their upper faces, smooth, sharp with slight keels, and point upwards and outwards.

Like its closest relatives - Astroloba foliolosa and robusta, it produces cream-white flowers in the rainy season (September-January in habitat), tinged with green, on unusually short pedicels. However the inflorescence of congesta is often branched.

It is easily confused with its close relative to the west, Astroloba foliolosa, and the two species form a transition, with intermediates throughout the gradation. The two forms are similar looking and Astroloba congesta was even formally classed as a subspecies of its more widespread relative.

It can be distinguished from Astroloba foliolosa by its darker green colour, and by its larger, less compact, more spreading leaves.

It is indigenous to the Eastern Cape Province, South Africa. Here it is confined to the Districts of Albany, Cradock and Bedford. This is an area of relatively high rainfall, 300-450 mm, which falls predominantly in the summer.

This smaller form, from rocky areas of the Zuurberg mountains, is sometimes classed as a separate species, Astroloba deltoidea. It has smooth, rigid, shiny leaves.


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Wikipedia

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