filum, fili-, = a thread;
forma, = form, contour, figure, shape, appearance.
(thread-shaped; slender like a thread; as the filaments of most plants, and the styles of many) (ld, BL)
frutex, = a shrub, bush;
-osus, = indicates abundance or full or marked development.
fruticosus, = full of shrubs or bushes, shrubby, bushy.(bushy; shrub-like) (ld, BL)