mistletoe

(noun) American plants closely resembling Old World mistletoe. Synonyms: false mistletoe.

(noun) Old World parasitic shrub having branching greenish stems with leathery leaves and waxy white glutinous berries; the traditional mistletoe of Christmas. Synonyms: Viscum album, Old World mistletoe.

(noun) shrub of central and southeastern Europe; partially parasitic on beeches, chestnuts and oaks. Synonyms: Loranthus europaeus.