Question
Distinguish between: Hypohydrophily – Epihydrophily
✓
Answer
Hypohydrophily | Epihydrophily |
1. Pollination takes place below the surface of water. | 1. Pollination takes place on the surface of water. |
2. Pollen grains are heavier and they sink in water. | 2. Pollen grains float on the water surface. |
3. Pollens are long, ribbon like without exine. | 3. Pollens have specific gravity equal to water. |
4. E.g. Zostera (sea grass) | 4. E.g. Vallisneria |
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