Mistletoe (Viscum album) is a parasitic evergreen plant that forms large, rounded clumps of foliage that are smothered with white berries from autumn to spring. It doesn’t have roots but produces suckers that anchor it directly to the branches of host trees, where it can form dense aerial balls over 1m across. Sneaking a kiss under a bunch of mistletoe has long-been a festive tradition, but long before this it was considered an aphrodisiac by druids in ancient Britain. This curious plant is spre