the outer sterile whorls or envelopes of a flower, made up of identical perianth segments, or of two different kinds of perianth segments: sepals (calyx) or petals (corolla). See also tepal.
The Rwanda flora team(2026). Flora of Rwanda: Glossary details: perianth. https://www.rwandaflora.com/speciesdata/glossary-display.php?glossary_id=527, retrieved 27 January 2026
Site software last modified: 11 June 2025 8:30am (GMT +2) Terms of use