lobation การใช้

The modification of the leaves into three leaflets due to deep lobation that reaches the primary vein is seen in both sections . " A . lincolnense " differs from extant members of those sections in that the leaflets do not attach to the primary vein with a petiole but are sessile with the leaflet base abutting the primary vein . the species is more similar to extant " A . " sect . " Cissifolia " in the size of the areoles, the shape of the margin teeth, and the morphology of the leaflet bases.