Kingdom Plantae Clade Monocots Family Asphodelaceae Rank Species | Clade Angiosperms Order Asparagales Subfamily Asphodeloideae | |
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Similar Haworthia coarctata, Haworthia limifolia, Haworthia reinwardtii, Haworthia magnifica, Haworthia venosa | ||
Haworthia glauca var herrei
Haworthia glauca is a species of flowering succulent plant from the Eastern Cape Province, South Africa.
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Jardim da jura haworthia black gem e haworthia glauca entre outras suculentas
Description
H. glauca typically has pointed, light blue succulent leaves ("glauca" = "blue"), which are packed densely along its stems. The stems branch from the base, and the plant can form clumps.
The leaves of this variable species are sometimes incurved, sometimes vertical & erect, and sometimes spreading. In some varieties, the leaves have slight tubercles.
Among the more common varieties are var. herrei (with tubercles) and the gracile var. jonesiae (with pencil-thin stems).
Taxonomy
Within the genus Haworthia, the species forms part of the subgenus Hexangulares.
Recent phylogenetic studies have demonstrated that subgenus Hexangulares is actually relatively unrelated to other Haworthias (being more closely related to Gasterias. It will therefore comprise a new, separate genus, Haworthiopsis, and this species will accordingly become "Haworthiopsis glaucus".
Distribution
This species extends across the western part of the Eastern Cape Province, South Africa. It can be found as far south as the vicinity of Port Elizabeth and westwards as far as Paardepoort near the border between the Western & Eastern Cape provinces.
Within this range, it typically grows in very well-drained sandy soil, either in direct sunlight, or under a bush or rocks which serve as partial protection from the sun.