a. [f. L. contort- ppl. stem of contorquēre + -IVE.] Tending to or causing contortion; characterized by twisting.
1859. C. Dresser, Rud. Bot., 245. The inner margin of each leaf is covered by the outer margin of the next: in this case their arrangement is convolute … Some authors call this form of æstivation contortive.
