Aerial roots

(Bot.) Small roots emitted from the stem of a plant in the open air, which, attaching themselves to the bark of trees, etc., serve to support the plant.
Large roots growing from the stem, etc., which descend and establish themselves in the soil. See Illust. of Mangrove.

See also: Root, Root

References in periodicals archive ?
In the various army cantonments where I grew up, these provided a magical play space, with the aerial roots helping our imaginations to soar as we swung on them and imitated fictional characters such as Tarzan.
Physiological disturbance 'Burrknots'--Burrknots is a physiological disorder that causes the formation of aerial roots, which can occur both in the canopy cultivar and in the rootstock.
From a thick root it sends out aerial roots that climb the nearest tree.
Trees with aerial roots exposed over the water, white sand islets dotted across limpid water, Irrawaddy dolphin pools and critically endangered fish breeding pools among braided channels and flooded forests; these are just some of the attractions drawing tourists from around the world to the upper Mekong River during dry season.
The aerial roots of mangroves retain sediments and prevent erosion, while the roots, trunks, and canopy reduce the force of oncoming waves and storm surge, thus reducing flooding,' Wambui said.
Avoid planting climbers such as Ivy and Virginia Creeper against house walls, as they hold on using suckers, twining tendrils or aerial roots which could damage mortar and may cause damp.
You can feed your orchid fortnightly when it's in active growth, for example, when it's pushing up a new flower stem, developing buds or putting out new aerial roots (which shouldn't be pruned).
So get fresh orchid compost and repot - the samesize pot is fine for a moth orchid - and let the aerial roots stick out.
You can feed your orchid fortnightly when it's in active growth, for Drench your orchid through and let the compost dry out between waterings example, when it's pushing up a new flower stem, developing buds or putting out new aerial roots (which shouldn't be pruned).
Curiously, it also produces aerial roots that in the wild help the plant scale trees.
Be aware those that attach to your wall with aerial roots and suckers - like climbing hydrangeas, ivy and Virginia creepers - usually mark the wall when removed.
However, as ownership of the residence belongs to more than 30 people, who couldn't reach a consensus on how to maintain and preserve the building, the conditions of the residence have deteriorated over the years, with serious water leakage problems, tiles peeling off from the exterior walls, aerial roots of the trees in the backyard sprawling up the cement exterior walls, and paintings in the house reeking of mold and mildew.