Hypertext Webster Gateway: "Rugose"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Rugose \Ru*gose"\, a. [L. rugosus, r. ruga a wrinkle.]
Wrinkled; full of wrinkles; specifically (Bot.), having the
veinlets sunken and the spaces between them elevated, as the
leaves of the sage and horehound.
From WordNet (r) 1.7 (wn)
rugose
adj : (botany) of leaves; ridged or wrinkled
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