perianth

English

The perianth of this flower includes the pale petals and the green sepals. The flower's organs hidden behind the petals in this photograph, namely the stamens and pistil, are not part of the perianth.

A mature spore of the liverwort Blepharostoma trichophyllum in its perianth

Etymology

From French périanthe, from New Latin perianthium.

Noun

perianth (plural perianths)

1. (botany) The sterile parts of a flower; collectively, the sepals and petals (or tepals).
2. (botany, bryology) The sterile, tubelike tissue that surrounds the female reproductive structure in a leafy liverwort.
   • 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:

     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.

Synonyms

• perigone

Derived terms

• perianthal
• perianthless
• pseudoperianth

Translations

sterile parts of a flower

• Bulgarian: околоцветник m (okolocvetnik)
• Catalan: periant m
• Finnish: kehä (fi)
• French: périanthe (fr) m
• Greek: περιάνθιο (el) n (periánthio)
• Hungarian: virágtakaró (hu)
• Italian: perigonio m
• Japanese: 花被 (ja) (かひ, kahi)
• Macedonian: околуцве́тник m (okolucvétnik)
• Manx: ym-blaa m
• Polish: okwiat (pl) m
• Portuguese: perianto m
• Romanian: periant (ro) n
• Russian: околоцве́тник (ru) m (okolocvétnik)
• Spanish: periantio m, perianto (es) m
• Tagalog: talampok
• Ukrainian: оцві́тина f (ocvítyna)
• Vietnamese: bao hoa (vi)
• Welsh: perianth m, blodeulen f

Anagrams

• Perthian, triphane

Welsh

Etymology

Borrowed from English perianth.

Pronunciation

• IPA^(key): /ˈpɛrjanθ/

Noun

perianth m (plural perianthau)

1. (botany) perianth

   Synonyms: blodamlen, blodeulen, fflurddail

Mutation

Mutated forms of perianth

radical	soft	nasal	aspirate
perianth	berianth	mherianth	pherianth

Note: Certain mutated forms of some words can never occur in standard Welsh.
All possible mutated forms are displayed for convenience.

Further reading

• Griffiths, Bruce; Glyn Jones, Dafydd (1995), “perianth”, in Geiriadur yr Academi: The Welsh Academy English–Welsh Dictionary‎^[1], Cardiff: University of Wales Press, →ISBN