''Acanthocalycium thionanthum'' subsp. ''glaucum '' is a
subspecies
In biological classification, subspecies is a rank below species, used for populations that live in different areas and vary in size, shape, or other physical characteristics (morphology), but that can successfully interbreed. Not all species ...
of ''
Acanthocalycium
''Acanthocalycium'' is a genus of cactus consisting of several species from Argentina. The taxon name comes from Greek ''akantha'' (meaning ''prickly'') and ''kalyx'' (meaning ''buds''), which refers to the spines on the floral tubes.
These plan ...
'' from Argentina.
References
External links
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thionanthum subsp. glaucum
Flora of Argentina
{{Cactus-stub