Question

Is the fertilisation takes place in flowers such as sun flower, rose etc? And if yes then why they doesn 't produce a fruits

Answer 1

Yes , fertilization occurs in flowers like sun flower and rose. the only thing is the ovary( future fruit )is not big .....that's  it.....
Take the rose petals out and examine the lower part of it under a microscope,
you can see the fruits and also seeds along with it....
Thank you for reading....
and please ignore grammatical mistakes ,if any :)