General:
Parasitic, leafless perennial herb; stems threadlike, twining and sticking to other plants by means of suckers.
Leaves:
Reduced to tiny scales.
Flowers:
Inflorescence of several to many stalkless flowers in clusters or globular masses; flowers 2-3 mm long; calyx lobes yellowish, as long as wide, slightly fleshy; corolla tubes seldom longer than the calyces; stigmas long-pointed.
Fruits:
Capsules opening in an irregularly circular fashion near the base.