Rambling and scandent, much branched shrub with long stems arising from a thick rhizome and tuberous roots to one cm broad. Stem isterete and bear numerous spines. Stem is straight or sub-recurved and 5-20 mm long. Raceme is 12 cm long, with many flowers in fascicles of 2 or 3. Flowers are pinkish white. Berry is 1- or 2- seeded, dark red when ripe.