Naming
it was originally placed in Geraniaceae family (by Pierre Edmond Boissier, 1867) but In 2007, molecular phylogenetic studies have given it a basal position within Sapindales. In the APG III system and in the Kubitzki system, it is placed in its own monogeneric family, Biebersteiniaceae.References:
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http://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:371939-1