Skip to main content
An official website of the United States government.

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

Concept information

Preferred term

velamen

Type

  • Topic

Definition

  • Information 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.

Broader concept

Synonyms

  • velamen radicum
  • velamen roots

In other languages

URI

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

Download this concept:

RDF/XML TURTLE JSON-LD Created 10/4/17, last modified 12/17/19