Explain with suitable examples the different types of phyllotaxy.
Match the placental types (Column I) with their examples (Column II). Choose the correct answer from the following options: Column I (A) Basal (B) Axile (C) Parietal (D) Free central Column II (i) Mustard (ii) China rose (iii) Dianthus (iv) Sunflower [NEET 2019]
Correct answer: D — (A)-(iv), (B)-(ii), (C)-(i), (D)-(iii)
Basal placentation: Ovules are borne on the base of the ovary; example: sunflower Axile placentation: Ovules are attached to a central axis; example: China rose Parietal placentation: Ovules develop on the inner wall; example: mustard Free central placentation: Ovules are borne on a central column without septa; example: Dianthus
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