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What is a cow tree?

May 10, 2017 | Author: | Posted in Biology

Cow tree or milk tree is the popular name given to several species of evergreen trees native to the mountains of South and Central America. They get their name from the fact that when the trunks or branchesĀ are cut a large quantity of white, milklike juice exudes. The “milk” of one species, Brosimum galactodendron, is …

Does the sap of a tree rise in the spring?

March 19, 2017 | Author: | Posted in Biology

That the sap of a tree rises in the spring and goes down in the fall is a common but erroneous notion. In the spring there is an increased circulation of liquids through the tissues of the tree and the food materials stored in the trunk and branches are dissolved and carried to the buds …

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