Cypripedium cothurnum Vell. = Catasetum macrocarpum Rich. ex Kunth
English:
cothurnus,-a,-um;

https://archive.org/stream/#page/63/mode/2up
homotypic synonyms:
Paphiopedilum cothurnum (Vell.) Pfitzer;

protologue: Fl. Flumin. 9: t. 63 (1831)

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