sesquialteral

Etymology
From + English, from  +.

Adjective

 * , 1½ times.
 * 1)  Of or related to sesquialtera, 1½ notes.
 * 2)  Having full florets accompanied by lesser ones.
 * 3)  Having half as many stamens as petals.
 * 4)  Occupying a third of a wing or including a smaller band or spot in a larger one.