Devil’s Slide

Two rows of spines, side by side. Why? Other Nepenthes lack any ridge or spine. This one has two, with spikes!  Perhaps to repel would be robbers of the food inside the trap? Nepenthes ventricosa hybrid.

Twin ridges of spines are on the front of Nepenthes ventricosa traps.

Twin ridges of spines are on the front of Nepenthes ventricosa traps.