Haworthia diaphana is a perennial succulent belonging to the genus Haworthia.http://plantsoftheworldonline.org/taxon/urn:lsid:ipni.org:names:77076477-1 Plants of the World Online The species is endemic to the Eastern Cape.http://www.theplantlist.org/tpl/record/kew-347082 The Plant List
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