Why does the bark of trees often have a green tinge to it?
#112192. Asked by clarod. (Jan 18 10 3:24 PM)
It means it's a young tree.
Jan 18 10, 3:28 PM
Some trees such as some in arid regions have chlorophyll in their bark to continue the photosynthesis process in times of drought or winter. A good example would be the palo verde tree commonly found in Arizona.
Sometimes it's just something green like lichen, moss or algae growing on the bark. We used to get told you could find north by looking for the green on one side of a tree. Never worked for me. Either it was all round or none at all. Or, only once or twice, on the wrong side of a tree when we knew where north was (by compass or wristwatch - only works in the day and with an analogue one...). http://en.wikipedia.org/wiki/Lichen
Jan 20 10, 10:20 AM
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