arthritic, bent, bumpy, burled, contorted, crooked, distorted, gnarly, knobbed, knobbly, knobby, knoblike, knotted, knotty, knurled, knurly, lumpy, nodal, noded, nodiform, nodose, nodular, nodulated, noduled, nubbled, nubbly, nubby, studded, torose, tubercular, tuberculous, tuberose, tuberous, twisted, warped