Limber pine. Photo credit: Colorado State Forest ServiceClick the link to read the article on the Colorado State Forest Service website: Every year, trees grow two annual rings. In the spring, the usually wider and thinner-walled layer, called springwood, grows. In the summer, a thicker-walled layer, called summerwood, develops. Annual rings are typical in temperate…
What is a Tree? How Does it Work? — #Colorado State Forest Service — Coyote Gulch
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