Runner
/ˈrʌnər/
Definition
Runner refers to a long, slender horizontal stem that grows along the soil surface or just above it and produces new plantlets at nodes, where roots and shoots can form. It is a vegetative reproduction structure, not a root. Unlike underground rhizomes, runners remain above ground or at the surface. Strawberries are a common example, spreading by runners that create genetically identical daughter plants.
Function in Plants
- Clonal spread: A runner lets a plant produce new, genetically identical plantlets away from the parent, helping it occupy nearby ground quickly without relying only on seed.
- Rooting at nodes: Where nodes touch soil, roots and shoots can form. This creates a chain of connected young plants that may later survive on their own if the connection dies back or is cut.
- Common in strawberries: Strawberries are a familiar example. Gardeners often use each rooted plantlet for simple propagation, once it has formed a healthy crown and roots.
- Growth habit and control: This structure can make plants spread beyond their original space, which matters in beds, borders, and containers. Removing or redirecting new growth helps manage size and keep energy focused where needed.
Related Terms
Stolon
Stolon refers to a slender, horizontal stem that grows at or just above the soil surface and can produce roots and new…
Rhizome
Rhizome refers to a horizontal underground stem that grows at or just below the soil surface. Unlike a root, it has…
Node
Node refers to the point on a plant stem where leaves, buds, branches, or flowers attach or can develop. It is a…
Internode
Internode refers to the section of a plant stem between two nodes, the points where leaves, buds, or branches attach…
Vegetative reproduction
Vegetative reproduction refers to a form of asexual plant reproduction in which new plants grow from roots, stems…
Propagation
Propagation is the process of producing new plants from seeds, spores, or vegetative parts such as stem cuttings…
Stem
Stem refers to the main aboveground plant structure that supports leaves, buds, flowers, and fruits, and connects them…