Oak and cherry tree leaves have pinnate venation. Palmate Venation: The veins radiate in a fan shape from the leaf petiole. Examples include maple and sweetgum leaves.

Loren O'Rourke, Sacramento Tree Foundation Planting native oak species on underutilized urban public lands in Sacramento has a unique set of difficulties.

A Maryland program to spot and document its biggest trees started a century ago. John Bennett is the man who keeps the ...

One yard is freshly cut, and the rows created by the coming and going of the tractor give it not only a groomed feel, but a molded feel. Another is ankle-high green grass in need of a cutting. One ...

The goldspotted oak borer (GSOB) is a tiny beetle causing a big problem for Southern California’s oak trees. Its larvae tunnel beneath the bark and feed on the tissues that transport water and ...