NALT

Preferred term

velamen

Topic

Velamen is multiseriate, spongy layer of root epidermis that is composed of dead and air-filled cells. It is capable of rapid absorption and storage of water. It protects the root against excessive heating and water loss. It is mostly present in aerial roots of epiphytes.

root epidermis

Orchidaceae

velamen radicum
velamen roots

Field 001 in MARC Authority Format

84356

Spanish

velamen

URI

https://lod.nal.usda.gov/nalt/309577

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Created 10/4/17, last modified 12/17/19