Multiple choice

In which of the following is velamen found?

  1. Vanda

  2. Rosa

  3. Viscum

  4. Santalum

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Velamen is a specialized spongy tissue found in aerial roots of epiphytic orchids like Vanda. It's made of dead cells with thickened walls that absorb and retain water from the atmosphere, protecting the root cortex and reducing water loss.