Nigel Cattlin / Daffodil (Narcissus cyclamineus 'Jetfire') cross section of flower trumpet with stamens, style and ovules inside ovary. March.

Nigel Cattlin / Daffodil (Narcissus cyclamineus 'Jetfire') cross section of flower trumpet with stamens, style and ovules inside ovary. March.

Paul Harcourt Davies / Sea squill (Drimia maritima) flowers in late summer, showing stamens, and ovules, Lazio coast. Italy. September.

Georgette Douwma / Common egg cowrie (Ovula ovum) Similan Islands, Andaman Sea, Thailand.

Constantinos Petrinos / Common egg ovula / Egg cowrie (Ovula ovum) feeding on Leather coral (Sarcophyton sp) Sulawesi, Indonesia

Constantinos Petrinos / Common egg ovula / Cowry {Ovula ovum} feeding on Mushroom leather {Sarcophyton sp}

Constantinos Petrinos / Common Cowry {Ovula ovum} feeding on Mushroom leather coral {Sarcophyton sp} Lembeh Strait, Sulawesi Indonesia

Matthias Breiter / Common Blue Violet (Viola sororia) ovules, Kenora, Ontario, Canada