Common Name: Sensitive Plant Plant Description Name: Neptunia aquatica "Sensitive Plant" Small mimosa-like leaflets closes up when touched. Fun interactive plant for kids and adults. Floating stems grow uniquely like a like soft Styrofoam flotation material. Yellow flowers are feathery balls. Grows quickly in warm weather. Does not tolerate cold. Pretty and different; fascinating to kids and adults. Prefers roots anchored in soil.