Die Gestalt des Angiospermenpollens ist variabler als die des Gymnospermenpollens.
Das Sporoderm ( die Wand des Pollenkorns ) besteht in der Regel aus zwei übereinanderliegenden Schichtkomplexen: der wenig widerstandsfähigen inneren Intine und der sporopolleninhaltigen äußeren Exine.
www.biologie.uni-hamburg.deThe shape of angiosperm pollen is more variable than that of gymnosperm pollen.
The sporoderm ( the wall of the pollen grain ) consists usually of two layers: the less robust intine forms the wall s inner part while its outer sporopollenin-containing layer is called exine.
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