Comparative embryology of three Gentianaceae species from the Central Caucasus and the European Alps

748 9 2925 3 8292 document 2925 227265921_Comparative_embryology_of_three_Gentianaceae_species_from_the_Central_Caucasus_and_the_European_Alps_ev=prf_pub text/html 129b9503d8e92aa457ae2f6f88bd46cb MD5 180094 2014-01-28 08:58:01 http://eprints.iliauni.edu.ge/748/1/227265921_Comparative_embryology_of_three_Gentianaceae_species_from_the_Central_Caucasus_and_the_European_Alps_ev%3Dprf_pub 748 1 1 text/html text en validuser cc_public_domain

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published 8059 1 21754 document 8059 Comparative embryology of three Gentianaceae species from the Central Caucasus and the European Alps..pdf application/pdf 36ebd800d8dbc31b223f5d24a46665dd MD5 175833 2015-04-01 05:37:55 http://eprints.iliauni.edu.ge/748/2/Comparative%20embryology%20of%20three%20Gentianaceae%20species%20from%20the%20Central%20Caucasus%20and%20the%20European%20Alps..pdf 748 2 2 application/pdf text ge public

Comparative embryology of three Gentianaceae species from the Central Caucasus and the European Alps..pdf

8087 2 21790 document 8087 lightbox.jpg image/png 1c9eef774eb4c26be7fa2de2db3224cc MD5 49684 2015-04-01 05:48:12 http://eprints.iliauni.edu.ge/748/3/lightbox.jpg 748 3 3 image/png other Thumbnails conversion from text to thumbnail_lightbox ge public

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http://eprints.org/relation/isVersionOf http://eprints.iliauni.edu.ge/id/document/8059 http://eprints.org/relation/isVolatileVersionOf http://eprints.iliauni.edu.ge/id/document/8059 http://eprints.org/relation/issmallThumbnailVersionOf http://eprints.iliauni.edu.ge/id/document/8059 archive 65 disk0/00/00/07/48 2014-01-30 12:40:47 2015-04-01 05:37:55 2014-01-30 12:40:47 article show maia_akhalkatsi@iliauni.edu.ge Akhalkatsi Maia maia_akhalkatsi@iliauni.edu.ge Wagner Johanna Comparative embryology of three Gentianaceae species from the Central Caucasus and the European Alps pub QEC QK restricted A comparative investigation was carried out on the ovule and seed development of three mountain species ofGentianaceae, the perennial speciesGentiana pyrenaica, and the two short-lived monocarpic speciesGentianella caucasea andG. germanica. In all three species most embryological characters conform to those generally found in the family of theGentianaceae. In some features, however,G. pyrenaica and the twoGentianella species differ from each other. InG. pyrenaica the ovule is anatropous, the integument 8–10 layered and the three reduced antipodals degenerate soon after fertilization. In contrast,G. caucasea andG. germanica form a hemitropous ovule, a 4–5 layered integument and up to 16 antipodal cells by secondary multiplication. All three species exhibit differences in synchronization between embryogenesis and endosperm development. Functional relations between the antipodal structure and the dynamics of seed development of the investigated species are postulated. 1997-01-01 published Plant Systematics and Evolution 204 1 Springer 39-48 DOI:10.1007/BF00982530 TRUE 1615-6110 http://link.springer.com/article/10.1007/BF00982530 https://www.researchgate.net/publication/227265921_Comparative_embryology_of_three_Gentianaceae_species_from_the_Central_Caucasus_and_the_European_Alps?ev=prf_pub org