The laminae are green, whereas the stem, midribs and tendrils range from green, through yellow, to orange or even red. Terrestrial pitchers have a distinctive colouration: their outer surface is black, brown, or purple, with numerous large flecks of greenish-white, brown, or orange. The upper part of the inner surface ranges from white to light green or light yellow, with dark red to black blotches. Both the peristome and lid may be dark red, dark brown, or even black, although the latter is commonly lighter on its lower surface. The pigmentation of the upper pitchers is generally similar to that of the lowers, although typically lighter. The describing authors observed that rosette pitchers typically have a dark brown peristome, whereas that of upper pitchers is often orange to dark red. Herbarium specimens have an almost black stem. Dried leaves are light brown above with a dark brown underside, whereas pitchers are blackish-brown with dark brown blotches and an almost black lid.