Terrestrial or epiphytic climber 2-3 m tall. Climbing stems terete, 6-9 mm diam. Leaves coriaceous, petiolate; leaf blades of climbing stems oblong to elliptic, (10-)18-24.5(-30) by (4.5-)6.6-8.5 cm, apex obtuse to truncate, base obtuse; petiole 2.5-7 cm long, wings 3-4 mm wide, clasping the entire stem, forming a laterally flattened sheath. Longitudinal nerves 3 on each side of the midrib in the outer 1/3, conspicuous. Pennate nerves indistinct. Lower pitchers not known. Upper pitchers slightly infundibulate or cylindrical, laterally compressed, 16-24 by 5-6.5(-9) cm, wings absent, with two ventral ridges; mouth ovate, oblique, concave, rising to the vertical at the rear, forming a short column; peristome mostly cylindrical, sometimes slightly sinuous, 4-6(-10) mm broad at the front, ribs (0.15-)0.3-0.5 mm apart, outer margin entire, inner edge obscurely dentate, teeth 0.3-0.5 mm long with subapical aperture; lid orbicular, 4.2-6 (-8.2) by 4.2-6.5(-8.7) cm, apex rounded, base cordate, lower surface lacking an apical appendage, basal appendage strongly hooked towards the base, laterally flattened, c. 7 mm high, 10 mm long; spur c. 14 mm long, unbranched. Inflorescence known only from fruiting fragment, partial peduncles 2-flowered. A single male flower with pedicel 10 mm long; tepals oblong 5 by 3 mm; androphore 3 mm long; anther head 1.25 by 1.25 mm. Fruit valves c. 30 mm long. Seed fusiform, 13-14 mm long, smooth. Indumentum densely villose, the hairs 4-6 mm long, soft, golden to rust coloured on all surfaces apart from upper leaf blade and inside of pitcher, sparingly hairy on outer pitcher. Colour of outer pitcher pale or yellowish green, peristome sometimes with red streaks.
Home