Genus of plants
Pachycaulos is a genus of flowering plants belonging to the family Gesneriaceae. It has two species, Pachycaulos nummularia and Pachycaulos huancabambae. Its native range is Southeastern Mexico to Peru.
Taxonomy.
The species was first described as "Hypocyrta nummularia" by Johannes von Hanstein in 1865. The epithet "nummularia" is a noun in apposition. In 2013, J.L. Clark and J.F. Smith moved it to their new genus "Pachycaulos" using the incorrect adjectival form of the epithet, "nummularium", rather than the correct "nummularia".
References.
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