Mistletoe white berries that it bears in clusters of two to six. The Eastern mistletoe of North America is similar, but has shorter, broader leaves and longer clusters of 10 or more berries. The word 'mistletoe' derives from the older form 'mistle' adding the Old English word "tān" (twig). 'Mistle' is common Germanic (Old High German "mistil", Middle High German "mistel", Old English "mistel", Old Norse "mistil"). Further etymology is uncertain, but may be related to the Germanic base for 'mash'. Parasitism has evolved at least 12 times among the vascular plants . Molecular data show the mistletoe habit has evolved
Mistletoe Mistletoe Mistletoe is the English common name for most obligate hemiparasitic plants in the order Santalales. They are attached to their host tree or shrub by a structure called the haustorium, through which they extract water and nutrients from the host plant. Their parasitic lifestyle have led to some dramatic changes in their metabolism. The name mistletoe originally referred to the species "Viscum album" (European mistletoe, of the family Santalaceae in the order Santalales); it is the only species native to the British Isles and much of Europe. A separate species, "Viscum cruciatum", occurs in Southwest Spain and Southern Portugal,