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Glossary: retinaculum

Definition:

  1. (in Acanthaceae) the persistent hook-like funicle;
  2. (in Asclepiadaceae and Orchidaceae) the structure to which the pollinium is attached.

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Copyright: Mark Hyde, 2008-26

Hyde, M.A. (2026). UK Flora: Glossary details: retinaculum.
https://www.ukflora.info/speciesdata/glossary-display.php?glossary_id=611, retrieved 3 May 2026

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