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5. Pollination, pollen germination and pollen tube
Sunday 24 October 2004
Angiosperm pollinationIn Angiosperms, pollination is made by wind but also by animals that is rare in Gymnosperms.
Saturday 23 October 2004
Pollen germination and pollen tubeIn Angiosperms, pollen has to germinate and to produce a tube to bring male gametes to the egg that is protected by the carpel.
La jardinerie à domicile.
15 € de réduction dès 40 € d'achat !
APG II (Angiosperm Phylogeny Group) (10 galeries photos)
Orchidées (Orchidaceae, Asparagales, Monocots)
Fruits complexes
Fruits multiples
Fruits charnus : baies et drupes.
IDDN Certification