This week, we meet Black willow or Salix nigra. The black willow is one of several species of willow in Indiana, but it is the only tree-sized willow in the state. This species has long, narrow leaves ...

Question: Weeping willow, six years old and 9" diameter. Wet, clay ground and thriving. Late last summer, I noticed the leaves were dead suddenly, and the bark on the trunk was completely loose and ...

The Bailey acacia, either in purple-leaf or plain-gray variety, is also known as mimosa for the fragrant, tiny, yellow flower pompoms that appear all over the plant at the end of winter.

The most common North American deciduous trees are elm, willow, beech, cherry, birch, and basswood. These trees each have their own unique qualities, from the heart-shaped leaves of the birch to ...

The Faidherbia acacia tree has the quality of "reverse leaf phenology," which drives the tree to go dormant and shed its nitrogen-rich leaves during the early rainy season—when seeds are being ...

That leaves the acacia trees undefended — and susceptible to elephants. Beyond eating the leaves, the elephants have been pulling down branches and knocking the trees over.

A five-year plan to cut and replant trees in Westmount's King George Park has left residents bitterly divided over the project.

Tree crowns are spatially heterogeneous, sometimes resulting in significant variation in microclimate across the canopy, particularly with respect to temperature. Yet it is not known whether such ...

Q: The neighbors large tree behind us overhangs our back wall and is constantly dropping leaves into our backyard and pool. We believe it is a willow acacia. It is every green and drops these very ...

Tens of thousands of Bay Area acacia trees are dead and dying from a deadly tree fungus scientists have identified as Pistachio Canker.