Flora of Burundi
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callus
Glossary: callus
Definition:
a thickened, raised mass of hardened tissue; hence
(in
Poaceae
) a hard projection at the base of the floret or spikelet the sharp point of the seed;
(in
Orchidaceae
) the raised structures, often consisting of ridges, papillae or projections, occurring on the upper surface of the lip.
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callus
Flora of Burundi: Glossary details: callus.
https://www.burundiflora.com/speciesdata/glossary-display.php?glossary_id=95, retrieved 8 February 2025
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