text: what is the tallest tree on the planet?   according to the guinness world records that would be "the stratosphere giant measuring 112.7 m (370 ft) as of july 2004."   the tree is a 'coast redwood (sequoia sempervirens)', and was discovered by chris atkins in the california rockefeller forest of the humboldt redwoods state park in august 2000.   in order to protect the tree, its precise location is kept a secret.