Perennial, herbaceous twiner, glabrous, ± fleshy. Stems up to 1.8 m long. Leaves up to 60 x 80 mm, outline deltoid-ovate, 3-5 acute lobes either side, base ± cordate; petioles up to 60 mm long. Inflorescence a solitary capitula or up to 12 in terminal corymbs. Capitula radiate, disc and rays (± 8) yellow, rays conspicuous; involucre turbinate; bracts ± 12, 10-13 mm long; calyculus bracts ± 6 mm long, spreading or reflexed, margins thinly ciliate. Flowering time mainly May, June. Cypselae cylindrical, ± 5 mm long, ribbed, glabrous.
Twining herb. Leaves deltoid-ovoid in outline with 3-5 acute lobes on either side, margins of lobes straight or slightly concave. Heads radiate or rarely discoid, rays 8; involucral bracts 12, 10-13 mm long. Achenes glabrous. Flowers yellow.