Glossary: ray

Definition:

(in Apiaceae) one of the primary branches of a compound umbel;
(in Asteraceae) the strap-shaped extension borne in some cases by the marginal florets.

Flora of Rwanda: Glossary details: ray.
https://www.rwandaflora.com/speciesdata/glossary-display.php?glossary_id=601, retrieved 21 November 2024

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