Definition of leaf insertion in English English dictionary
In liverworts, the angle and orientation of the plane of the leaves with respect to the axis of the stem
The Chilean Amphijubula Schust. (Schuster, 1970a) which has the facies of a small Frullania and agrees with Frullania in leaf insertion and branching, has a nontiered seta with 16 epidermal cell rows surrounding 4 inner rows.