Stems terete, short-hairy, (bark not corky, above-ground stems annual). Leaves weakly to moderately pungent, sparsely to moderately hairy; stipules linear-setaceous, 3–5 × 0.5 mm, eglandular; petiole glandular, glands emergent protuberances; blade roughly symmetric, 4–12(–22) × 4–12(–30) cm, deeply 3(–5)-lobed, middle lobe as long as or longer than lateral lobes, margins serrate; abaxial fine veins prominently raised, abaxial nectaries absent.
A vigorous climber. The vines can be 4.5 m long. The leaves have 3 lobes and are 15 cm long and wide. They are blue-green underneath and have teeth along the edges. The flowers are 5 cm wide and white. The fruit are oval and yellow. They are 5 cm long. They have a flavour something like apricot.
Plant pilosulous; involucral bracts c. 1 cm; petals white or lavender, corona filaments mostly purplish or pinkish; fruit up to 5 cm ø.