Merriam-Webster Collegiate Dictionary - stolon

 noun  Etymology: New Latin ~-, stolo, from Latin, branch, sucker; akin to Old English stela stalk, Armenian steln branch  Date: 1601  1.  a. a horizontal branch from the base of a plant that produces new plants from buds at its tip or nodes (as in the strawberry) — called also runner  b. a hypha (as of rhizopus) produced on the surface and connecting a group of conidiophores  2. an extension of the body wall (as of a hydrozoan or bryozoan) that develops buds giving rise to new zooids which usually remain united by the ~