In the history of the Linnaean classification system, many taxa (e.g. species, genera , families , and higher taxonomic ranks ) have become defunct or obsolete, and are no longer used.
2-473: The Flacourtiaceae is a defunct family of flowering plants whose former members have been scattered to various families, mostly to the Achariaceae and Salicaceae . It was so vaguely defined that hardly anything seemed out of place there and it became a dumping ground for odd and anomalous genera, gradually making the family even more heterogeneous. In 1975, Hermann Sleumer noted that "Flacourtiaceae as
4-635: A family is a fiction; only the tribes are homogeneous." In Cronquist's classification , the Flacourtiaceae included 79–89 genera and 800–1000 species. Of these, many, including the type genus Flacourtia , have now been transferred to the Salicaceae in the molecular phylogeny -based classification, known as the APG IV system , established by the Angiosperm Phylogeny Group . In the list below,
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