Answer: rugose

AnswerCrossword Clue
RUGOSEWrinkled
RUGOSEWrinkled.
rugoserough and wrinkled: applied to leaves in which the reticulate venation is very prominent beneath, with corresponding creases on the upper side
rugosefull of wrinkles, also RUGOUS
rugosehaving wrinkles; wrinkled; ridged