perianth
nounEtymology From French périanthe, from New Latin perianthium.
2
Biology, Botany, Bryology, Natural sciences The sterile, tubelike tissue that surrounds the female reproductive structure in a leafy liverwort.
- Archegonia are surrounded early in their development by the juvenile perianth, through the slender beak of which the elongated neck of the fertilized archegonium protrudes.1992, Rudolf M[athias] Schuster, The Hepaticae and Anthocerotae of North America: East of the Hundredth Meridian, volume V, Chicago, Ill.: Field Museum of Natural History, →ISBN, page 5:
- Synonyms
- perigone
- Derived terms
- perianthal, perianthless, pseudoperianth