Question

what is the most common type of placentation in plants

Answer 1

marginal placentation

Answer 2

The most common type of placentation in plants is Axile Placentation.

Explanation:

• Placentation refers to the attachment of the ovules to the ovary.
• Plants exhibit different types of placentation like :

1. Marginal Placentation,
2. Parietal Placentation,
3. Axile Placentation,
4. Central Placentation,
5. Basal Placentation,
6. Superficial placentation.

• In Axile placentation,

1. multiple united carpels form the pistil of the flower.
2. the ovary is multi-chambered.
3. the ventral margins of the carpels fuse at the centre.
4. the placenta attached to the ovules develop from the central axis where the ventral margins of the carpels fuse.
5. Examples - Hibiscus, potato.