a) The sterile parts of a flower; collectively, the sepals and petals (or tepals).

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.

b) The sterile, tubelike tissue that surrounds the female reproductive structure in a leafy liverwort.

Wikipedia foundation.

Игры ⚽ Нужен реферат?

Look at other dictionaries:

  • Perianth — Per i*anth, n. [Pref. peri + Gr. ? flower: cf. F. p[ e]rianthe.] (Bot.) (a) The leaves of a flower generally, especially when the calyx and corolla are not readily distinguished. (b) A saclike involucre which incloses the young fruit in most… …   The Collaborative International Dictionary of English

  • Perianth — Perianth, Blütenhülle, Androeceum und Gynoeceum umgebende Organe der Angiospermenblüte (bei den Gymnospermen nur bei den ausgestorbenen Bennettitopsida und den rezenten Gnetopsida); dienen dem Schutz der generativen Organe und der Anlockung von… …   Deutsch wörterbuch der biologie

  • perianth — (n.) envelope of a flower, 1706, from Fr. périanthe, from Mod.L. perianthium (17c.), lit. that which is round the flower, from peri (see PERI (Cf. peri )) + Gk. anthos flower (see ANTHER (Cf. anther)) …   Etymology dictionary

  • perianth — [per′ē anth΄] n. [ModL perianthium < Gr peri (see PERI ) + anthos, a flower: see ANTHO ] the outer envelope of a flower, including the calyx and corolla …   English World dictionary

  • Perianth — Schema der Blüte einer Kamelie mit doppelten Perianth: Ke: Kelchblatt Kr: Kronblatt St: Staubblatt (mit a: Anthere, fil: Staubfaden) Fr …   Deutsch Wikipedia

  • Perianth — The term perianth has two similar but separate meanings in botany:* In flowering plants, the perianth is the outer, sterile whorls of a flower (see sepal, petal, and tepal). * In a liverwort, perianth is the sterile tubelike tissue that surrounds …   Wikipedia

  • perianth — noun Etymology: New Latin perianthium, from peri + Greek anthos flower more at anthology Date: circa 1806 the floral structure comprised of the calyx and corolla especially when the two whorls are fused see flower illustration …   New Collegiate Dictionary

  • perianth — perianthial, adj. /per ee anth /, n. Bot. the envelope of a flower, whether calyx or corolla or both. [1700 10; earlier perianthium < NL. See PERI , ANTH , IUM] * * * …   Universalium

  • Perianth — Pe|ri|ạnth 〈n. 11; Bot.〉 = Perianthium * * * Periạnth   [zu griechisch ánthos »Blüte«] das, s/ e, Botanik: die Blütenhülle (Blüte). * * * Pe|ri|ạnth, das; s, e, Pe|ri|ạn|thi|um, das; s, ...ien [zu griech. perí = um herum u. ánthos = Blüte] ( …   Universal-Lexikon

  • Perianth — Pe|ri|ạnth 〈n.; Gen.: (e)s, Pl.: e; Bot.〉 Syn. Perianthium 1. Hülle der Bedecktsamer, die die männl. u. weibl. Teile der Blüte schützt, Blütenhülle 2. blattartige Bildung zum Schutz der Fortpflanzungsorgane bei Moosen [Etym.: <Peri… + grch.… …   Lexikalische Deutsches Wörterbuch

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”