A succulent. It can be erect or climbing. It grows 50 cm tall. It has a large tuber. The stems are grey and 2-4 mm across. The leaves are opposite and oval and hairy. The flowers are yellow green.
Like F. comaru but erect or twining herb from large tuber, up to 1.5 m diam., stems grey, 2-4 mm diam. Leaves ovate, 15-30 x 6-12 mm, grey-green, margins crisped, but not recurved.