兔子先生传媒文化作品

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Jeff Mitton: Willow stems in spring

I this issue of EBIO professor Jeff Mitton explores the causes and variety of willow stem colors in the spring, as well as why they appear to grow small pine cones on their stems. Expand your knowledge of these Colorado trees and shrubs of many hues.

Ruddy willows in a snow field welcome the oncoming spring.