Douglas-fir Tree

This is a wiki-style page about the Douglas-fir. If you know anything about any of the topics listed below, please feel welcome to write about it so others can learn from you.

General Information

Douglas Fir is a tree that is common in Mexico and North America. It is very common in California outdoors. The tree is named after David Douglas (1799 -1834) who was a Scottish botanist. David Douglas became famous increasing education of North American trees in Europe.

The Douglas-firs are mid-size to large evergreen trees. They range 20-120 meters (66-390 ft) in height. The Douglas Fir trees have flat and soft leaves that grow around the entire branch. Typically, when the leaves go completely around the tree, it is a distinguishing sign of this type of tree.

Range

In California, the most common species of this tree is the Green Douglas Fir tree that grows along the Pacific Ocean.
These trees are very common in many of the state parks and preserves for hiking in the Bay Area and Northern California.

Classification

Diseases

Pests

Climate

Branches

The Douglas Fir cones have 3-lobed leafs sticking out between the scales. The cones hang down rather than sticking up as in true firs. The cone needles are 2-4 cm long.

Leaves

Bark

Roots

Pop Culture

Conservation

Reproduction