Tip of twiner is sensitive and coils around support itself. This coiling is called
Nutation
Vernation
Epinasty
Circination
Leafless stem of onion which produces cluster of terminal flowers is called as
An inflorescence in which flowers arise from different points but reach the same level is called as
Carthamus tinctorium belongs to family
The florets $(small\,\, sessile\,\, flowers)$ in capitulum of sunflower are arranged in