MEGAGAMETOPHYTE DEVELOPMENT OF NYMPHAEA-NOUCHALI BURM. F (NYMPHAEACEAE)

Authors
ORBAN I BOUHARMONT J
Citation
I. Orban et J. Bouharmont, MEGAGAMETOPHYTE DEVELOPMENT OF NYMPHAEA-NOUCHALI BURM. F (NYMPHAEACEAE), Biological Journal of the Linnean Society, 126(4), 1998, pp. 339-348
Citations number
29
Categorie Soggetti
Plant Sciences
Journal title
Biological Journal of the Linnean Society → ACNP
ISSN journal
00244066
Volume
126
Issue
4
Year of publication
1998
Pages
339 - 348
Database
ISI
SICI code
0024-4066(1998)126:4<339:MDONBF>2.0.ZU;2-U
Abstract
The development of reproductive cells has been analysed in Nymphaea no uchali, family Nymphaeaceae, subclass Magnoliidae. Our observations on embryo sac development differ from those in the literature. Megasporo genesis results in a triad of one micropylar cell and two innermost me gaspores. Embryo sacs derive from a single functional megaspore and ar e tetranucleate. Megasporogenesis is monosporic and of the Polygonum t ype, but mega-gametogenesis is of Oenothera type. (C) 1998 The Linnean Society of London.