What a thick sunflower!

What a thick sunflower this is!  *1

This picture was taken from side angle. *2

The part of seeds swells unusually. Is this normal?  *3

*1 Nante buatsui himawari nandeshou!

*2 Kono shashin wa yoko kara toraremashita.

*3 Tane no bubun ga ijouni moriagatteimasu. Korette futsuu?