Higginsia regalis Hook. = Hoffmannia regalis (Hook.) Hemsley
English:
regalis,-is,-e;

https://archive.org/stream/mobot31753002721618#page/5280/mode/2up
homotypic synonyms:
Hoffmannia regalis (Hook.) Hemsley;

protologue: Bot. Mag. 87: t. 5280 (1861)

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