Terrestrial climber 2(-5) m tall. Climbing stems triangular (1.5-)2-4(-5) mm diam., the corners rounded or with 2 wings, wings 1-2(-3.5) mm broad, internodes of climbing stems 2.5-9 cm long. Leaves chartaceous, sessile, leaves of the climbing stems nar-rowly lanceolate (6.5-)12-19 by (1-)1.5-2.8(-3.7) cm, apex acute, rarely acuminate, subpeltate, base narrowing only slightly, decurrent by (0.4-)1-4(-6) mm into stem wings; basal rosette leaves up to 3 cm long, otherwise as leaves of climbing stems. Longitudinal nerves 4-6 from the base, on each side of the midrib, usually confined to the outer 2/3. Pennate nerves numerous, usually ascending at 45° from the midrib, then descending. Lower pitchers ellipsoid in the basal half, gradually becoming slightly constricted towards the subcylindrical upper half (5.5-)8-10.5(-16.5) cm long, (1.7-)2.3-3.7 cm wide in the lower half, (1-)1.4-2.4 cm wide in the upper half, with two fringed wings 3-5 mm broad, the fringed elements 1-2.5 mm long, 0.5-2 mm apart; mouth ± ovate, concave, peristome cylindrical in section, c. 0.5 mm wide, without ribs, outer edge entire, inner edge minutely toothed; lid orbicular to ovate, 1-3 by 1-3 cm, lower surface without appendages, nectar glands sparse, few, (6-)20-30, large and thickly bordered, orbicular, dome-shaped, c. 0.4 mm diam., the central aperture pore-like, 0.1 mm diam.; spur simple, to 5 mm long. Upper pitchers as the lower, but subcylindrical and gradually and slightly constricted in the middle, (4.5-)7-14.5 cm long, (1.4-)1.8-4(-4.4) cm wide at the base, narrowing to (0.9-)1.5-2.9(-4) at the waist and flaring to (1-)2-4.3 cm at the mouth, with two ridges c. 0.1 cm broad, lacking fringed elements. Male inflorescence (9.5-)15-22(-30) by 2.5 cm; peduncle 1.2-5 cm long, 1.5 mm diam. at base; partial peduncles 1-flowered; bracts usually absent; pedicels 5-14 mm long; tepals ovate, 2.5-5 by 1.5-2.5 mm; androphore 0.7-1 mm long; anther head 0.7-1 by 1-1.5 mm. Fruit valves 14-27(-35) mm long. Seeds fusiform, papillate at the centre. Indumentum absent from stems and upper surface of leaves; lower leaf and pitchers with scattered red sessile glands 0.1 mm diam.; pitchers also with minute scurfy brown stellate hairs, particularly in a band immediately below the peristome; inflorescence completely covered, from base of peduncle to the pedicels and ovary in appressed, thick coppery, ± simple hairs 0.1-0.3 mm long. Colour of pitchers green, red, or green mottled with red, rarely black-purple. Flowers variously described as white, green, light red or brown.
Lowland peat-swamp forest, kerangas, podsol heath scrub, swamp edges or disturbed areas, e.g. roadsides; on poor soils, sometimes on sandstone or ultramafic soils; sea level to 800 m
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