Black oak leaves are one of the best ways to identify the tree. They are about 3-9 inches long and can vary in shape . What makes them distinct are the lobes on a single leaf, which have sharp ...

Oak leaves at risk from curious caterpillars. Local News. By Katie Leslie. May 5, 2011. ... Why has the black-dotted brown moth changed its look, and more importantly, its eating habits?

The leaves of black oak are multi-lobed, typically with seven lobes, with deep sinuses in between, and have bristle tips like all members of the red/black oak family. On the black oak, the alternately ...

The Black Oak, San Diego County’s most handsome native deciduous tree, is sending out new leaves this week, painting the mountain slopes with shades of red, brown, and bright green.

Willow oak leaves don't look like what you might imagine "typical" oak leaves to be. They're thin and straight and only an inch wide, with no lobes. The trees grow up to 140 feet tall and are ...

The black oak has been around at least 24 million years, so its fossilized leaves may provide information on elevation changes since the end of the Oligocene period. The new technique for ...