Concept information
Preferred term
velamen
Type
-
Topic
Definition
-
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.
Source: NAL Thesaurus Staff
Type: Concept definition
Broader concept
Synonyms
- velamen radicum
- velamen roots
In other languages
-
Spanish
URI
https://lod.nal.usda.gov/nalt/309577
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