Dierama grandiflorum is a perennial geophyte that is part of the Iridaceae family. The species is endemic to South Africa and occurs in the Eastern Cape.http://redlist.sanbi.org/species.php?species=1544-17 REDLIST Sanbi The plant has a range of 3 444 km2 and occurs from Graaff-Reinet to Somerset East. The species is threatened by the declining quality of its habitat.https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:436843-1 Plants of the World Online
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