Leaves are to broadly sub- and have a texture. They are noted for being particularly thick and rigid. The lamina is usually -oblong, but may also be ovate in rosettes. It reaches a maximum recorded length of 20.8 cm and width of 7.8 cm. It is gradually towards the base, clasping the stem for half to two-thirds of its circumference. The apex of the lamina is usually obtuse-rounded in rosettes and obtuse-acute on leaves of the climbing stem, but may also be -acute. It may be sub- in some specimens, with the tendril attachment being located subapically, up to 9 mm from the laminar apex. The midrib may be flattened or sunken on the upper surface and bulges outwards on the lower. Two to four longitudinal veins are present on either side of the midrib. veins are distinct on the upper surface of the lamina and indistinct on its underside. Tendrils are up to 32.1 cm long and may or may not have a loop.