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limber pine
tree
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tree form
- In tree: Tree lines
Examples of this are limber pine (Pinus flexilis) and bristlecone pines (P. aristata and P. longaeva), which are found in the Colorado Rocky Mountains in the United States. These species form erect trees where Engelmann spruce (Picea engelmanni) and Alpine fir (Abies lasiocarpa) can exist only as prostrate forms.…
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