Question

5. What is hydrophily? short answer ​

Answer 1

Answer:

Hydrophily is a fairly uncommon form of pollination whereby pollen is distributed by the flow of waters, particularly in rivers and streams. Hydrophilous species fall into two categories: Those that distribute their pollen to the surface of water.

Answer 2

Hydrophilous type of cross pollination is accomplished with the aid of water. It's most common in aquatic plants, where pollen is generated in vast quantities and with a certain weight, causing them to float below the water's surface.

• Hydrophilous floral characteristics:
• Flowers are tiny and inconspicuous.
• The perianth and other floral elements are impervious to moisture.
• There is no odour or nectar.
• Due to the presence of mucliage coating, pollen grains are light and unwettable.
• Stigma is a lengthy, sticky, and unwettable substance.
• There are two types of hydrophilous species:
• 1. Those who scatter pollen to the water's surface. The male flower or pollen grain of Vallisneria, for example, is released on the water's surface, where it is passively carried away by water currents; part of it finally reaches the female flower.
• 2. Those who spread it below the surface. Seagrasses, for example, have female flowers that remain submerged in water and discharge pollen grains into the water.
• Various plant families, such as the Naiadaceae, Ceratophyllaceae, Potamogetonaceae, Hydrocharitaceae, and others, are entirely aquatic, and their pollination is adapted to these conditions.