Tuberous

Tu″ber‐ous (?), a. [L. tuberosus: cf. F. tubéreux. See Tuber, and cf. also Tuberose.]

1. Covered with knobby or wartlike prominences; knobbed.

2. (Bot.) Consisting of, or bearing, tubers; resembling a tuber.

— Tu″ber‐ous‐ness, n.