an enlargement of the receptacle
usually surrounding or surmounting the ovary, usually in the form
of a ring or cushion or composed of separate gland-like parts;
(of Asteraceae) the usually discoid receptacle of the
capitulum.
The Tanzania flora team(2026). Flora of Tanzania: Glossary details: disk. https://www.tanzaniaflora.com/speciesdata/glossary-display.php?glossary_id=227, retrieved 14 August 2026
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