Glossary: rugula

Definition:

(applied to the upper lip of some Acanthaceae) a fine wrinkle or fold.

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Copyright: The Uganda flora team, 2026

The Uganda flora team (2026). Flora of Uganda: Glossary details: rugula.
https://www.ugandaflora.com/speciesdata/glossary-display.php?glossary_id=632, retrieved 14 August 2026

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