Phrynium grandifolium (Lindl.) Sweet = Calathea cylindrica (Roscoe) Schumann
English:
grandifolius,-a,-um;

https://archive.org/stream/sweetshortusbrit00swee#page/494/mode/2up
homotypic synonyms:
Calathea grandifolia Lindl.; Maranta grandifolia (Lindl.) A.Dietr.;

protologue: Hort. Brit., ed. 2 : 494 (1830)

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