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 stalked flowers in loose clusters or globular masses; flowers 2.0-4.5 mm long, with 5 petals/sepals; sepals free to about halfway to the base; stamens not exserted; stigmas headlike.
Fruits:
Capsules globose, somewhat beaked; seeds usually solitary.