Anatomy and Biology of a Tree Leaf. A Beginner's Guide to Winter Tree Identification. All About the Fraser Fir: Uses, Conservation Status, and More. Slash Pine Tree, A Southern Yellow Pine.

The American chestnut tree used to grow throughout the eastern U.S., but was devastated by a blight in the early 20th century. ... you can send in leaf and twig samples for identification.

The tree has short stout paired spines on branches at the leaf node attachment. Identification Tip: There will often be a long, wide, flattened fruit pod that can be persistent through early winter.

The American Chestnut Project has evolved from basic research into a multifaceted endeavor, including identifying plant pathogen tolerance-enhancing genes, developing American chestnut tissue culture, ...

Leaf distortion like that can also be a sign of water stress, trying to set new leaves when the soil is too dry. Make sure the plants have adequate water during times of growth. Crinkled leaves in ...

You can identify an American chestnut tree by looking at the shape and thickness of the leaves, dentation and luster of the leaves, angle of the leaf base, shape and color and hairiness of the ...

“We called them gray ghosts,” the now 77-year-old retired forester says of the American chestnut tree scattered throughout his former North Carolina home and still towering over the forest floors.

My largest and quickest-to-bear tree, now 12 years old, was actually grown by planting a Chinese chestnut. The tree has both a height and spread of about 20 feet, and it yields more than half a ...

The mission of the American Chestnut Research and Restoration Center is to conduct basic and applied research that will lead to the development of a blight-resistant American chestnut tree (Castanea ...

WASHINGTON—More than a century after blight decimated the American chestnut tree, the U.S. government is weighing whether to allow a genetically engineered version to spread in the wild.

These 5 tree species are dying. Scientists are racing to save them. Invasives have largely wiped out the American chestnut and elm, caused “hell” with the beech, and are now wreaking havoc on ...

A fern-leaf maple (Acer japonicum Aconitifolium) in its fall glory at the New York Botanical Garden, with hot-colored foliar pigments taking center stage, after the chlorophyll that dominated the ...