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Sequoia stump in California, U.S.A.
(lemmy.ca)
I was looking through some old vacation pictures and came across this one. It sure gives a perspective on how big these trees are.
apparently plants like to vegatively reproduce, redwood especially, one of the reason it has duplicates(6 copies of its genome) is during meisosis, during gamtes are "unreduced" so they dont form like half like normal, they just keep the duplicated genome(most conifers are diploids). its not a problem for plants when they do this, but its less common in animals.