Cycad cones

Numéro d’image : 11539764
Cycad cones
Cycad cones (Encephalartos sp.). Five female cones (yellow) surrounded by a crown of leaves. Cycads are primitive,cone-bearing,woody plants that have changed very little over the last 300 million years. They are often confused with palms,but are unrelated. Cycads are dioecious,each plant either being male or female. Both sexes produce cones,which are an aggregation of modified leaves. Male cones bear pollen,while female cones contain ovaries. Once pollinated,the female cones expand dramatically in size and any fertilised ovaries produce large seeds. Photographed in Kwazulu Natal,South Africa
Licence : Droits gérés
Crédit: Science Photo Library / Chadwick, Peter
Taille de l’image : 5444 px × 3638 px
Model Release : Non requis
Property Release : Non requis
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