Plants often form dense clumps from a spreading rhizome or stolons. This species is a perennial herb growing from a fleshy rhizome. It is a herbaceous plant growing to tall, from a stout underground, succulent rhizome. It is an aquatic plant growing from a tuberous rhizome. They are herbaceous plants growing from a rhizome. Species of "Epimedium" are herbaceous perennials, growing from an underground rhizome. The underground parts consist of a slowly creeping rhizome with adventitious roots. "Mentha canadensis" is a perennial plant with an underground creeping rhizome and upright shoots. It can be propagated by cuttings or by dividing the rhizome. The roots, which grow out of the rhizome, are white, thick and fleshy. The rhizome, foliage, and roots are also poisonous. Leaves are up to and sprout from the rhizome. Sweet flag consists of tufts of basal leaves that rise from a spreading rhizome. Big sagebrush can also reproduce through sprouts, which shoot up from the underground rhizome. The alga has a stem (rhizome) which spreads horizontally just above the seafloor.