Description from Flora of China
Phyllamphora mirabilis Loureiro, Fl. Cochinch. 2: 606. 1790; Nepenthes phyllamphora Willdenow, nom. illeg. (included P. mirabilis).
Herbs erect or climbing, 0.5-2 m tall. Basal leaves densely rosulate, subsessile, base amplexicaul; leaf blade lanceolate, ca. 10 cm, margin usually denticulate; tendril shorter than blade; pitcher narrowly ovoid to subcylindric, variable in size, 2-7 cm, pubescent with simple and stellate hairs, 2-winged, 2-8-spurred between lid and mouth, lid ovate or rounded, glandular inside. Cauline leaves petiolate; leaf blade dotted purple-red on both surfaces, oblong to lanceolate, 10-25 cm, with 5-7 pairs of longitudinal veins, base prolonged, margin entire or denticulate; tendril nearly as long as blade; pitcher cylindric, slightly dilated basally, 6-21 cm, subglabrous to pubescent with simple, furcate, and stellate hairs, wings 2, fringed, proximal part of inside wall of pitcher glandular, distal part smooth, mouth 1.5-5 cm wide, lid ovate to oblong, ca. 4.5 cm, densely glandular with all glands orbicular, spur 1-3-branched, dorsiventrally compressed. Raceme 20-50 cm, weakly pubescent; pedicels 0.5-1.5 cm. Tepals 4, red to purplish red, elliptic or oblong, densely glandular adaxially with elliptic glands, villous abaxially. Male flowers: perianth 0.5-0.8 cm; stamens in 1 whorl, slightly contorted. Female flowers: perianth ca. 0.5 cm; ovary elliptic, shortly stipitate or subsessile, densely pubescent with light yellow villi or stellate hairs. Capsule brown, 1.5-3 cm; valves 4, lanceolate. Seeds filiform, ca. 1.2 cm. Fl. Mar-Dec, fr. Aug-Dec(-Mar).
Forests, grasslands, swamps, mountains, roadsides, wastelands, usually in wet places, often on sandy soils; sea level to 400 m. S and W Guangdong, Hainan [Cambodia, Laos, ?Myanmar, Thailand, Vietnam, islands of S Asia; N Australia, Pacific Islands (Caroline Islands)].