Aerial stem-parasitic shrubs, erect to pendulous, glabrous; epicortical runners absent. Leaves opposite, sometimes clustered on condensed axes, flat with pinnate venation or compressed or terete. Inflorescence axillary, a pedunculate or sessile 2-flowered umbel or a single flower; bract 1 per flower. Petals 6, united into a curved tube inflated in middle and unequally divided, more deeply so and more reflexed on concave side. Stamens equal; anthers basifixed, immobile, introrse, 4-locular, acute, sometimes transversely septate, about as long as free part of filament.