Heterogamous head possess

1. Ray florets only
2. Disc florets only
3. Neuter flowers only
4. Both ray and disc florets

Hi
Hetrogamous head possess possess both ray and disc florets.Hetrogamous head is a type of Capitulum inflorescence.
The flowers which are present in centre are called disc florets and the flowers at periphery are called as ray florets and the arrangement of flower is called hetrogamous