In bryophytes, a thin, hood-like tissue that forms from the archegonium and covers the developing sporophyte.

(b) sporophyte with foot reduced, the entire sporophyte enveloped by the calyptra, which is ± stipitate at the base.

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  • Calyptra — ? Calyptra Calyptra thalictri …   Википедия

  • CALYPTRA — genus mitrae, Isidor. in Glossis: genus vestimenti, quô caput feminae operiebant, Festus l. 3. Etiam Hesychii glossae, καλύπτρυν interpretantur κεφαλῆς κάλυμμα, capitis operimentum. Aliter Flameum dicta est, rubri coloris: unde Interpres vetus… …   Hofmann J. Lexicon universale

  • Calyptra — Ca*lyp tra (k[.a]*l[i^]p tr[.a]), n. [NL., fr. Gr. kaly ptra a covering for the head, fr. kaly ptein to cover.] (Bot.) A little hood or veil, resembling an extinguisher in form and position, covering each of the small flasklike capsules which… …   The Collaborative International Dictionary of English

  • Calyptra — Calyptra, Mooshaube, eine vertrocknete häutige Decke, welche die Mooskapseln (Sporenbehälter), od. bei den Lebermoosen den Stiel des Sporenbehälters unten umgiebt od. völlig einschließt, vgl. Kryptogamen, Moose u. Lebermoose. Daher… …   Pierer's Universal-Lexikon

  • Calyptra — Calyptra, die Mütze der Laubmoose, s. Moose …   Meyers Großes Konversations-Lexikon

  • Calyptra — Calyptra, 1) ⇒ Wurzelhaube; 2) der Sporenkapsel aufsitzender (haploider) oberer Teil der Archegoniumswand der Laubmoose, der durch das Wachstum des Sporophyten nach Zerreißen des Archegoniums emporgehoben wird …   Deutsch wörterbuch der biologie

  • calyptra — [kə lip′trə] n. [ModL < Gr kalyptra, covering for the head, veil < kalyptein, to conceal, cover: for IE base see CONCEAL] 1. the remains of the female sex organ, or archegonium, of a moss, forming the caplike covering of the spore case 2.… …   English World dictionary

  • Calyptra — In bryophytes, the calyptra is an enlarged archegonia venter that protects the capsule. This cap is lost at maturity. In flowering plants, the calyptra is a covering tissue for stamens and carpels. The name is also used for the capping tissue of… …   Wikipedia

  • Calyptra (moth) — Calyptra Calyptra thalictri Scientific classification Kingdom: Animalia …   Wikipedia

  • Calyptra canadensis — Scientific classification Kingdom: Animalia Phylum: Arthropoda Class: Insecta …   Wikipedia

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