modified stem bud. Some perennial plants survive winter conditions by forming these specialized organs (turions)
A modified bud, the leaves of which contain abundant storage reserves, by which the plant survives Winter and renews its growth in Spring.
an over-wintering vegetative bud or specialised short shoot with modified leaves, arising from the stem, often near ground level.
A vegetative bud, as in Hydrilla.
n. (L. turio, shoot) young scaly shoot budded off from underground stems, detachable winter bud used for perennation in many aquatic plants.
a winter bud that forms in the leaf axils of certain aquatic plants. When a plant matures, turions may drop onto bottom mud and produce new plants. Hydrilla plants produce turions.
The tender, young shoot as it emerges from the ground without branches or leaves.
An underground bud or shoot from which an aerial stem arises. cf sucker.
A young or emerging shoot.
An over-wintering bud, as in Lemna.