Answer:

stolons

Answer	Crossword Clue
STOLONS	Botanist's runners
STOLONS	Grass runners: Bot.
STOLONS	Shoots developing buds and roots.

STOLONS	Grass rootstocks.
STOLONS	Plant runners.
STOLONS	Trailing branches, in botany.
STOLONS	Slender branches
STOLONS	Slender plant shoots
STOLONS	Rootlike runners
STOLONS	Runners