Tuberous

a.	1.
	1.	Covered with knobby or wartlike prominences; knobbed.
	2.	(Bot.) Consisting of, or bearing, tubers; resembling a tuber.

Adj.

1.

tuberous - of or relating to or resembling a tuber; "a tuberous root"

botanic, bulbous, burled, cereal, farinaceous, fruitlike, fruity, gnarled, gnarly, herbaceous, herbal, herbose, herbous, herby, knobbed, knobby, knoblike, knotted, knotty, knurled, knurly, leguminose, leguminous, nodal, noded, nodiform, nodular, nodulated, noduled, nubbled, nubbly, nubby, plantlike, radicated, radiciform, radicular, rhizoid, rootlike, studded, torose, tubercular, tuberculous, tuberose, vegetable, vegetal, vegetarian, vegetational, vegetative, weedy