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If the towering cottonwood that stood in front of Old Main could have talked, it would have had a lot to say about the last 140 years.听

It stood guard on commencement day. It was blanketed with heavy snow, endured windstorms and floods and basked in Boulder鈥檚 abundant sunshine. It witnessed romances, heated academic debates and gleeful Norlin Quad shenanigans.

In recent years, the iconic tree began to show its age. In January, crews gently dismantled its limbs and branches using a crane to remove the tree, which was dying off in large sections. As far as CU鈥檚 forestry experts can tell, it wasn鈥檛 affected by disease or injury 鈥� it simply got old.

鈥淭he metabolic functions of the tree start to become out of balance and the tree can no longer sustain parts of the canopy,鈥� said campus forestry supervisor Vince Aquino.

Though the tree鈥檚 removal marks the end of a CU era, it also signifies new beginnings. In 2014, forestry staff took cuttings from the cottonwood and passed them on to colleagues in the EBIO teaching and research greenhouse, who rooted them in containers. With a little nurturing, the cuttings grew into small trees 鈥� exact clones of the Old Main cottonwood that Aquino and his team will plant near the original鈥檚 location.

鈥淓verything in life is succession, something replacing something else,鈥� said Tom Lemieux, the assistant greenhouse manager who helped propagate the tree.

The university spent $35 in 1879 to buy 42 plains cottonwoods, hardy trees that live up to 80 years. Few could have predicted the longevity and enormity of the Old Main cottonwood, which grew to 110 feet tall with a 19-foot base circumference.听

The Old Main cottonwood was the oldest, tallest tree on campus. On top of stellar genetics, the tree likely benefited from the campus鈥檚 historic flood irrigation system, and later a modern sprinkler system and forestry experts like Aquino and his team who cared for it.听

And the tree had regular visitors 鈥� many attending Aquino鈥檚 tree walks.

鈥淭rees really elicit an emotional response in people,鈥� said Aquino. 鈥淚t can鈥檛 be overstated how much trees change what people feel when they鈥檙e in a landscape. It happens on a level that people aren鈥檛 even aware of.

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Photo by Glenn Asakawa