Examples from the Web for rootstock
Rootstock of Solomon's Seal, with the bottom of the stalk of the season, and the bud for the next year's growth.
Ferns are propagated by the growth and budding of the rootstock as well as by the ordinary method of reproduction.How to Know the Ferns|Frances Theodora Parsons
After the rootstock has been kept for some time it will become greenish yellow or brown internally and its quality impaired.
Some of the scars are depressed below the surface of the rootstock, while others are raised above it.
In front a common herbaceous Fern (Polypodium vulgare) with its creeping stem or rootstock.