obvoluted

CIDE DICTIONARY

obvoluted, a. [L. obvolutus, p. p. of obvolvere to wrap round; ob (see Ob-) + volvere to roll.].

 Overlapping; contorted; convolute; -- applied primarily, in botany, to two opposite leaves, each of which has one edge overlapping the nearest edge of the other, and secondarily to a circle of several leaves or petals which thus overlap.  [1913 Webster]