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Q.
The florets in capitulum of sun flower are arranged in a manner :
BHUBHU 2005
Solution:
Peduncle is flattened to form receptacle that bears cenmpetally arranged sessile flowers or florets surrounded by in volucre of bracts, sunflower (Helianthus annuus) is heterogamous with both ligulate female ray florets and tubular intersexual disc florets.