Aerial stem-parasitic shrubs, robust, with epicortical runners bearing secondary haustoria. Leaves opposite. Inflorescence capitate, consisting of two sessile dichasia (triads) at the apex of a common peduncle; central bracts of the triads enlarged and foliaceous, enclosing the flowers and connate at the margins over them during development; bracts subtending the lateral flowers small, narrow. Corolla 6-merous, gamopetalous, regular. Anthers basifixed, immobile. Style simple, with a knob-like stigma. Fig. 24.
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