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31 results on '"CESCA G"'

2. Il censimento della flora esotica d’Italia

Author

VIEGI L, ALESSANDRINI A, ARRIGONI P. V, BANFI E, BLASI C, BRUNDU G, CAGIOTTI M. R, CELESTI GRAPOW L, CESCA G, CONTI F, FASCETTI S, GUBELLINI L, LA VALVA V, LUCCHESE F, MARCHIORI S, PIGNATTI S, POLDINI L, PECCENINI S, PROSSER F, SINISCALCO C, TORNADORE N, WILHALM T., CAMARDA, Irene, MAZZOLA, Pietro, VIEGI L, ALESSANDRINI A, ARRIGONI P V, BANFI E, BLASI C, BRUNDU G, CAGIOTTI M R, CAMARDA I, CELESTI-GRAPOW L, CESCA G, CONTI F, FASCETTI S, GUBELLINI L, LA VALVA V, LUCCHESE F, MAZZOLA P, MARCHIORI S, PIGNATTI S, POLDINI L, PECCENINI S, PROSSER F, SINISCALCO C, TORNADORE N, and WILHALM T

Published
2005

12. Il censimento della flora esotica d'Italia

Author

Viegi, L., Alessandrini, A., Arrigoni, P. V., Banfi, E., Blasi, C., Brundu, G., Cagiotti, M. R., Camarda, I., Celesti Grapow, L., Cesca, G., Conti, F., Fascetti, S., Gubellini, L., La Valva, V., Lucchese, F., Mazzola, P., Marchiori, S., Pignatti, S., Poldini, L., Peccenini, Simonetta, Prosser, F., Siniscalco, C., and Tornadore, N. e. Wilhalm T.

Published
2005

28. A comparative analysis of embryo-sac development in three closely-related Gagea species (Liliaceae), with some considerations on their reproductive strategies.

Author

Caparelli, K.F., Peruzzi, L., and Cesca, G.

Subjects
PLANT embryology, PLANT development, LILIACEAE, POLLINATION, POLLEN, PLANT morphogenesis
Abstract

Embryo-sac development in Gagea bohemica , G. chrysantha and G. granatellii conforms to the Euphorbia dulcis- type (= Fritillaria- type), and all three species are proterandrous. G. bohemica and G. chrysantha are embryologically closer to each other than to G. granatellii and both develop seven- and eight-nucleate female gametophytes (although with clearly different proportions). G. granatellii , however develops only seven-nucleate embryo-sacs. All the species share, in various ways, cytological and micromorphological aberrations in both male and female gametophytes. Pollen grains are mostly morphologically regular in G. bohemica and G. chrysantha , while in G. granatellii malformed pollen is dominant. The studied plants of G. bohemica and G. chrysantha produced a very low amount of seeds, while G. granatellii produced no seeds at all. [ABSTRACT FROM AUTHOR]

Published
2006
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