More changes in Haworthia.

Walker, Colin (2014). More changes in Haworthia. CactusWorld, 32(4) p. 304.


The pace of change in the taxonomy of Aloe, Haworthia and related smaller genera seems to be relentless, with a seemingly endless stream of new publications, with new data or revised proposals for their evolutionary relationships. There is, however, a growing consensus that both Aloe and Haworthia were not acceptable taxonomic units as traditionally conceived in recent years, because their classifications did not reflect their evolutionary relationships (Walker, 2013).

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