Omphalea papuana Pax & K.Hoffm.

Scandent liane. Stipules lanceolate, 0.7–2 mm long, 0.3–1 mm wide. Leaves: petiole 25–100 mm long; lamina elliptic, lanceolate-ovate or ovate, 70–240 mm long, 45–160 mm wide; base cordate or rounded; tip acuminate or acute; palminerved with 5 veins from base, 7–9 lateral veins per side of midrib and reticulate interlateral tertiary veins; glands ± sessile, ± circular, 2.5–3 mm diam.; juvenile leaves trilobed. Inflorescences paniculate. Male flowers 2.5–3 mm long, 1.5–2 mm diam.; pedicels 2–3 mm long. Female flowers c. 4 mm long and 3 mm diam.; pedicels 1–2 mm long. Fruit subglobose, 45–50 mm long, c. 50 mm diam., 2-or 3-lobed with a pointed apex. Seeds 20–30 mm long, 15–20 mm wide, smooth, pale grey-brown. Flowers have not been collected from Australian material, and the description is supplemented from New Guinean collections at BRI. 

It is a tropical plant. It grows at low altitudes from sea level to about 50 m above sea level in Cape York in Australia. It grows at higher altitudes in Papua New Guinea. It occurs at Bulolo at 700 m. It grows in rainforest.

Plants can be grown from seeds.