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The velamen of orchid root is derived from the
Option: 1
Phellogen of root
Option: 2
Plerome of root
Option: 3
Dermatogen of root
Option: 4
Periblem of root
Answers (1)
Velamen are formed from root dermatogen. The velamen of an orchid is the white or gray covering of aerial roots. It is many cell layers thick and capable of absorbing atmospheric moisture and nutrients. Hence, the correct answer is option 3.
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