(Of a leaf) having a margin that alternately overlaps and is overlapped by that of an opposing leaf.Obvolute bracts may thus be a synapomorphy of the American clade....
Obvolute bracts may thus be a synapomorphy of the American clade.
Derivatives
obvolution
/ˌäbveˈlo͞oSHən/noun
Origin
Mid 18th century: from Latin obvolutus, past participle of obvolvere 'wrap around'.