Where in epiphytes are velamen cells located? a. Below the endodermis b. Below the epidermis c. Just outside the cortex d. Just outside the exodermis
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Explanation:
Velamen tissue is found in the aerial roots of some orchids or vanda. Vanda is a genus in the orchid family orchidaceae. Velamen is a spongy, multiple epidermis that covers the roots of some epiphytic or semi-epiphytic plants, such as orchid species.
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Option (d). Just outside the exodermis
Epiphytes are velamen cells located Just outside the exodermis
Explanation:
- In the aerial roots of some orchids or vanda are velamen tissues generally found
- The Vanda is a genus which is found in the orchid family called orchidaceae.
- These are a spongy, multiple epidermis which covers the roots of some epiphytic or semi-epiphytic plants, such as orchid species.
- It is a specialized tissue which is found in the root cortex of the plants.
- They have the tendency to protect the plants from the UV radiations.
- The vascular structure of roots is also protected which absorbs moisture from the atmosphere.
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