Aerial stem-parasitic shrubs, often robust, with epicortical runners bearing secondary haustoria. Leaves mostly opposite; venation pinnate. Inflorescences axillary, an involucrate head composed of 6-12 opposite pairs of dichasia (triads) crowded on the flattened apex of a contracted axis; involucral bracts enlarged, decussate, imbricate, rigid; floral bracts single under each flower. Corolla 6-merous, regular, gamopetalous to near the middle. Anthers basifixed, immobile, acute. Style simple, articulate above the base, usually with a small knob-like stigma. Fruit ellipsoid to globular, usually with a persistent nipple-like style base. Fig. 29. Fig. 30. Fig. 31.
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