Hellenia alba (Retz.) Willd. = Alpinia galanga (L.) Willd.
English:
albus,-a,-um;

https://archive.org/stream/#page/5/mode/2up
homotypic synonyms:
Alpinia alba (Retz.) Roscoe; Heritiera alba Retz.;

protologue: Sp. Pl., ed. 5 (Willdenow) 1: 5 (1797)

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