A) centrifugal
B) centripetal
C) acropetal
D) basipetal
Correct Answer: C
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.
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