Racemose Inflorescence and Its Types - Category B and C
Category C: Main Axis Flattened
Racemose Capitulum or Racemose Head:
- The main axis is flattened.
- It appears like a flat disc and is called receptacle.
- A large number of sessile flowers are borne on the receptacle in a centripetal succession.
- Whorl of bracts called involucre is present.
- This inflorescence is an evolved form of umbel inflorescence.
- The individual flowers in the capitulum are called florets.
- The peripheral florets are called ray florets.
- The central florets are called disc florets.
- For example, Sunflower.
Capitulum has sessile florets. It is a modification of spike.
View full answer