Question

Where is velamen seen?

Answer 1

Velamen:

1. Velamen is a spongy, multiple epidermis that covers the roots of some epiphytic or semi-epiphytic plants, such as orchid and Clivia species.
2. Velamen is found in the aerial roots.
3. They are composed of abiotic compact cells with lignified strips of secondary walls and are covered with hygroscopic tissue.
4. They absorb water vapor from the atmosphere.