is the fleshy underground part of the ginger plant a root or a stem? Share with your friends Share 1 Saman Ahmad answered this The fleshy underground part of the ginger plant is a stem. -2 View Full Answer Shishir answered this it should be a stem tachnically because in modification of root and stem,it comes under modified stem catageory happy to answer -1 Shishir answered this it should be a stem tachnically because in modification of root and stem,it comes under modified stem catageory happy to answer 0