Haworthia lanosa is a member of the widespread and variable Arachnoidea aggregate. This species grows on white enon conglomerate in the vicinity of Vergelegen.
The plants are hairy and somewhat similar to Haworthia aranea or Haworthia candida
but are generally larger and grow on the northern face of a hillside whereas the smaller Haworthia aranea usually prefers the cooler southern aspect.
The aggregate Arachnoidea is complex and arguments van be made to just lump all the related plants under a single species.Although these arguments are often valid, it is likely to cause great confusion where plants link into other species e.g. Haworthia decipiens and Haworthia jansenvillensis.
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