Cinchona hookeriana (Wedd.) Karsten = Ladenbergia muzonensis (Goudot) Standl.
English:
hookerianus,-a,-um;

https://archive.org/stream/#page/1206/mode/2up
homotypic synonyms:
Buena hookeriana (Wedd.) Wedd.; Cascarilla hookeriana Wedd.; Ladenbergia hookeriana (Wedd.) Standl.;

protologue: Ill. Repert. Pharm.-Med. Bot. : 1206 (1886)

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