Content tagged with "tree"

Black Walnut Tree

black-walnut-tree
Black walnut trees grow up to 90 feet tall with a rounded, open crown. More

Black Walnut Twig Cross Section

black-walnut-twig-cross-section
Twigs thick, light brown, with fuzzy buds and tan, chambered pith at the core of the twig. More

Black Willow

black willow
Salix nigra
In some parts of our nation, black willow is only a shrub, but, as Donald Culross Peattie notes, "beside the Father of Waters and its mighty tributaries," this willow is "a sprawling giant of a tree." The largest and most widely known of our native willows, black willow is the only member of its family that reaches commercial size. More

Blackjack Oak

blackjack oak
Quercus marilandica
Blackjack oak is a common timber tree in forests that have been badly burned or are growing on the poorest soils. Considered a relatively worthless tree, this oak is often one of the first trees to be used as fuel, which prevents more glorious trees from such destruction. More

Box Elder

Image of a box elder tree
Acer negundo
A member of the maple family, box elder is often confused with poison ivy because its compound leaves sometimes grow in threes (though also in fives). A fast-growing tree, its winged seeds betray its relationship to other maples. More

Browning Leaves Indicate TCD

Photo shows walnut tree with browning leaves
In midsummer, TCD-infected trees may show wilted brown leaves on branches high in the canopy. More

Bur Oak

bur oak tree
Quercus macrocarpa
Among the many majestic American oaks with legendary and historic value, McBaine, Missouri's state champion bur oak has a 91-inch-diameter trunk, is over three hundred years old, and survived the flood of 1993. Recently, specialists have been fertilizing and aerating its soil, carefully pruning it, and taking twig samples in order to preserve its extraordinary genetic line. More