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 ...

I have a cottonwood tree that I planted about 12 years ago, so it is approximately 16 years old. Recently it shed about half of its leaves which it seems to do every year about this time.

On this winter edition of ID That Tree, Purdue Extension forester Lenny Farlee uses black walnut and eastern cottonwood twigs to show you tips on how to identify native Indiana trees with alternative ...

Leaf shapes play an important role in tree identification, providing key characteristics that botanists and foresters rely on. As a result, botanists and foresters have developed terms for the ...

Leaf hairs – Coverings on a leaf's epidermis that may or may not exist with every tree species. Palisade layer – A tightly packed layer of long tube-like parenchyma tissues filled with ...

A 'Shazam' app for plant identification may be here soon By Sean Kane Mar 21, 2016, 11:14 AM PT ...

Green River cottonwoods had 10%-30% lower stand leaf area, 40% lower root density, and 25% lower root biomass compared with those for Yampa River cottonwoods. Our results suggest that water relations ...