Placentation (Botany)

3.  Marginal:  Ovary is simple (monocarpellary)  Unilocular,  Placenta develop along the fused margins of the carpels  E.g., in Pea, Gram seeds and Cassia fistula (amaltas) (PGC)

4.  Free Central:  Compound ovary  Unilocular  Central axis arises from the base of ovary  E.g., Dianthus and Primerose (DP)

5.  Parietal:  Compound ovary  Unilocular  Fused margins swell up to form placentae  E.g., Melon, Cucumber, Brassica (MCB)

6.  Basal:  Compound ovary  Unilocular  Single large ovule arises that is attached to the base of ovary.  E.g., sun bless mary. Sunflower, Bassal, Marigold

7.  Superficial:  Compound ovary  multilocular  Placenta develop all along the inner surface of placenta wall  E.g., Nympheae

8.  Axile:  Polycarpellary and syncarpous gynoecium  multilocular  Placenta develop along the axile columns of the carpels  E.g., in tomato, lemon and china rose. (TLC)

Placentation (Botany)

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Placentation (Botany)