Ctenanthe kummeriana ? (Introduced- UK)

Ctenanthe kummeriana (É.Morren) Eichler, Abh. Königl. Akad. Wiss. Berlin 1884: 84 1884. (syn: Maranta kummeriana É.Morren);
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Brazil (Rio de Janeiro) as per POWO;
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SK 3457 06 May 2022: 4 very high res. images.

May be from Zingerberacae.

Yes …, I guess so !

Alpinia ??

Ctenanthe sp. (Marantaceae)

Ctenanthe kummeriana (E.Morren) Eichler ??

Looks somewhat close as per images at

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References:
POWO  Catalogue of Life  The Plant List Ver.1.1  WCSP