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.
Habit : Cultivated
May be from Zingerberacae.
Yes …, I guess so !
Alpinia ??
Ctenanthe sp. (Marantaceae)
Ctenanthe kummeriana (E.Morren) Eichler ??
Looks somewhat close as per images at
https://www.biodiversidadvirtual.Ctenanthe-kummeriana.html
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References:
POWO Catalogue of Life The Plant List Ver.1.1 WCSP