Deciduous trees—including oaks, maples, and elms—are trees that shed their colorful leaves in the fall and sprout bright new green leaves in the spring. There are dozens of different varieties, each with their own unique leaf structures and shapes. Whether you're on a walk in the woods o...
Some tree species display more than one type of leaf structure, while other trees clearly display the same leaf structure throughout. Trees with especially unique leaves include ginkgo, sassafras, yellow poplar, and mulberry. Here, we explore the various classifications that foresters study when ide...
The black oak (Quercus velutina, zones 3 to 9) gets its name from its bark, which appears almost black on mature trees. The leaves of this species are shiny and dark with lengths of up to 10 inches. The leaves feature seven to nine lobes, each of which have one to three poi...
Over 200 species of pine trees exist around the globe, with 62 different types growing in North America. The pine trees are evergreen, with a multitude of needles that remain on the tree year round. The pine needles on each species of pine grow in bundles on the branches. These bundles ...
Many of the trees included in this quiz are valuable for lumber or as pulpwood. One tree is highly sought after by musical instrument makers for its durability and tonal quality. The bark of another tree is waterproof, making it a prime candidate for the building of canoes. Other trees are...
By this summer, it will include all the trees of the Northeast and eventually will cover all the trees of North America. Smithsonian research botanist John Kress, who created the app with engineers from Columbia University and the University of Maryland, said it was originally conceived in 2003...
Oak tree bark differences When one comes across anoak tree(Quercus spp.), most canidentifywhat it is compared to other trees, but many don't know that there are a variety of oaks. Not only can it be difficult to identify a difference in oak trees if you were to line them up...
2nd grub phase — a type of larval stage with multiple instars (stages) Adult The eggs are laid in clusters in leaf litter and the bark of trees. Humans rarely see larval stages of blister beetles because most of them invade specific types of bees’ nests. ...
Eriosoma lanigerum is a species of aphids that largely feed on the bark and roots of apple trees. They leave a swollen gall on the stems where they have fed on it. Rose Aphids Macrosiphum rosae is a species of aphid commonly found in rose gardens. They infest rosebushes as their main...
Among them are species such as the chinkapin oak, black oak, Shumard oak, post oak, bur oak and blackjack oak. Each of these oak trees has differences in their leaves, acorns, bark and size. Identify these Texas trees by studying their most prominent features to decide which type they ...