Leaves are in texture. The lamina is to lanceolate- or lanceolate-obovate in shape and up to 55 cm long and 9 cm wide. It has an apex. The lamina is gradually into a short petiole (≤7 cm). The petiole is into a pair of wings (≤2 mm wide) that extend over almost the whole length of the internode. Three to eight longitudinal veins are present on either side of the midrib. veins are numerous but indistinct. Tendrils are usually shorter or as long as the lamina, although they may be as long as 110 cm.