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[3] [18] [19] The more usual result of lightning striking a tree, however, is a lightning scar, running down the bark, or simply root damage, whose only visible sign above ground is branches that were fed by the root dying back. [17] [20]
Lightning strikes kill or injure plants, from root crops like beet and potato, which are instantly cooked in the ground, to trees such as coconut, through effects such as sudden heat and pressure shock waves created when water inside the plant flashes to steam. This can rupture stems and scorch any plant parts. [8]
When a bolt strikes a tree it super-heats the sap throughout the tree and water in the sap turns to steam. "This happens in a split second," says Q13 FOX News Metoerologist M.J. McDermott.
SEATTLE -- A lightning bolt struck a giant tree in Seattle's Washington Park Arboretum Tuesday afternoon and the entire thing exploded. The bark of the tree was literally blow in all directions.
Other physical injury can be caused by objects damaged or thrown by the lightning strike. For example, lightning striking a nearby tree may vaporize sap, and the steam explosion often causes bark and wood fragments to be explosively ejected. Lightning strikes can also induce a transient paralysis known as 'keraunoparalysis'. [3]
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Sempervivum tectorum, the common houseleek, [1] is a species of flowering plant in the family Crassulaceae, native to the mountains of southern Europe, cultivated in the whole of Europe for its appearance and a Roman-era tradition claiming that it protects buildings against lightning strikes.