You are a landscape architect working on the grounds of a large estate.After you plant a dozen trees,the owner says,"There's been a mistake.The flowers on some of these willow trees look totally different! I specifically asked for Salix alba.You must have planted two different species." You refer to your tree guide,and read: "Salix alba - species of willow native to Europe and Asia,noted for the white undersides of leaves.Insect pollinated,dioecious.Grows 10-30m tall." How do you respond to the client?

Question

Quizplus · Accepted Answer

Salix alba is dioecious, meaning each tree has either male or female flowers. Thus, the trees with different-looking flowers are likely just different sexes of the same species. There is no need to dig up any trees or be concerned about them reaching full size.

You Are a Landscape Architect Working on the Grounds of a Large