aerial roots

What are aerial roots?

Aerial roots are additional roots that extend from the stem and hang in the air. They are usually characteristic of plants in tropical forests, where there is always a lot of moisture in the air, so they are inherent in tropical plants – orchids.

What do aerial roots do?

Aerial roots absorb water and nutrients directly from the air. They appear in marshy plants and supply the lower part of the plant with oxygen. They have a supporting function, i.e., they hold the plant in a certain position.

Which plant has aerial roots?

aerial roots – located in the air, not reaching the soil, characteristic of epiphytic plants (tropical orchids); haustoria or sucker roots – with their help, parasites and semiparasites suck up nutrients from the host plant (dodder, mistletoe).