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The common name of <I>Araucaria imbricata</I> is monkey puzzle. The leaves overlap. The leaves are very stiff, leathery, and sharp pointed.

Araucaria Imbricata

The common name of Araucaria imbricata is monkey puzzle. The leaves overlap. The leaves are very stiff,…

The leafy branchlets of <I>Araucaria rulei</I> are very long. The leaves are oval and concave. The leaves are very gray on the upper side and a rich glossy green on the lower side.

Araucaria Rulei

The leafy branchlets of Araucaria rulei are very long. The leaves are oval and concave. The leaves are…

"A genus of plants of the natural order Coniferae, allied to the cypress, and consisting of evergreen trees and shrubs with compressed or flattened branchlets-small, scale-like, imbricated leaves-and monaecious flowers, which have 4-celled anthers, and the scales of the strobiles with two upright ovules." &mdash; Chambers' Encyclopedia, 1875

Arbor Vitae

"A genus of plants of the natural order Coniferae, allied to the cypress, and consisting of evergreen…

The <I>Arbutus arizonica</I> tree grows between forty and fifty feet tall. The trunk has light gray or nearly white bark. The fruit is either round or oblong.

Arbutus Arizonica

The Arbutus arizonica tree grows between forty and fifty feet tall. The trunk has light gray or nearly…

Also known as Alnus oblongifolia. The branch of an Arizona Alder tree, native to southwestern United States and Mexico.

Branch of Arizona Alder

Also known as Alnus oblongifolia. The branch of an Arizona Alder tree, native to southwestern United…

Also known as Cupressus arizonica. A species of cypress found in the southwest of North America.

Branch of Arizona Cypress

Also known as Cupressus arizonica. A species of cypress found in the southwest of North America.

Also known as Pinus arizonica. The pine cone of an Arizona Pine tree.

Pine Cone of Arizona Pine

Also known as Pinus arizonica. The pine cone of an Arizona Pine tree.

Also known as Vauquelinia californica. The branch of an Arizona Rosewood tree, native to the southwestern United States.

Branch of Arizona Rosewood

Also known as Vauquelinia californica. The branch of an Arizona Rosewood tree, native to the southwestern…

Also known as Platanus wrightii. The branch of an Arizona Sycamore, native to Arizona and New Mexico.

Branch of Arizona Sycamore

Also known as Platanus wrightii. The branch of an Arizona Sycamore, native to Arizona and New Mexico.

Also known as Quercus arizonica. The branch of an Arizona White Oak, native to the southwest United States.

Branch of Arizona White Oak

Also known as Quercus arizonica. The branch of an Arizona White Oak, native to the southwest United…

Also known as Salix lasiolepis. The branch of an Arroyo Willow tree, native to western and southwestern North America.

Branch of Arroyo Willow

Also known as Salix lasiolepis. The branch of an Arroyo Willow tree, native to western and southwestern…

<I>Artocarpus incisa</I> is a tropical tree that produces bread fruit. The fruit is edible. The seeds from the fruit can be boiled and eaten.

Artocarpus Incisa

Artocarpus incisa is a tropical tree that produces bread fruit. The fruit is edible. The seeds from…

<I>Artocarpus integrifolia</I> trees grow thirty feet tall and have milky juice. The tree produces jack fruit. The fruit can weight between thirty and forty pounds.

Artocarpus Integrifolia

Artocarpus integrifolia trees grow thirty feet tall and have milky juice. The tree produces jack fruit.…

<I>Asimina triloba</I> is a small tree growing between ten and forty feet tall. The fruit is dark brown, oblong, and grows two to six inches long.

Asimina Triloba

Asimina triloba is a small tree growing between ten and forty feet tall. The fruit is dark brown, oblong,…

"A tree which grows plentifully in Europe and in Siberia. It is a native of Britain, and is frequent in Scotland, where it is found even at an elevation of 1500 feet above the sea. It has recieved the specific name tremula, from the readiness with which its leaves are thrown into a tremulous motion by the slightest breath of wind. a, a portion of a branch with catkins; b, do., with leaves." &mdash; Chambers' Encyclopedia, 1875

Aspen

"A tree which grows plentifully in Europe and in Siberia. It is a native of Britain, and is frequent…

The female flowers of a catkin from the Common Aspen (Populus tremula).

Common Aspen

The female flowers of a catkin from the Common Aspen (Populus tremula).

Also known as Populus tremula. A medium-sized tree growing up to 10-25 meters tall.

Aspen

Also known as Populus tremula. A medium-sized tree growing up to 10-25 meters tall.

"A genus of Palms, of which about sixeen species are known, natives of tropical America, remarkable for the abundance of acute and formidable spines, in some cases, a foot long, with which almost every part- stem, leaves, spathe, and fruit-stalk-is armed." &mdash; Chambers' Encyclopedia, 1875

Astrocaryum

"A genus of Palms, of which about sixeen species are known, natives of tropical America, remarkable…

Also known as Chamaecyparis thyoides. Native to the eastern part of the United States.

Branch of Atlantic White Cypress

Also known as Chamaecyparis thyoides. Native to the eastern part of the United States.

The common name of <I>Attalea cohune</I> is cohune palm. The tree grows fifty to sixty feet tall. The fruit of the tree can be used for soap making.

Attalea Cohune

The common name of Attalea cohune is cohune palm. The tree grows fifty to sixty feet tall. The fruit…

The common name of <I>Averrhoa carambola</I> is carambola. It is a tropical fruit tree. The fruit is five angled, yellow, and fragrant.

Averrhoa Carambola

The common name of Averrhoa carambola is carambola. It is a tropical fruit tree. The fruit is five angled,…

Avocado is a tropical fruit tree. The avocado is considered to be native to Mexico, Central America, and South America to Peru and Brazil.

Avocado Tree

Avocado is a tropical fruit tree. The avocado is considered to be native to Mexico, Central America,…

<I>Bactris minor</I> is a tall, slender stemmed palm that grows about forty feet tall. The tree has many dark colored spines. The leaves are about three feet long.

Bactris Minor

Bactris minor is a tall, slender stemmed palm that grows about forty feet tall. The tree has many dark…

The common name of <I>Balaka seemannii</I> is balaka. The tree grows eight to twelve feet high. The leaves are four feet long.

Balaka Seemannii

The common name of Balaka seemannii is balaka. The tree grows eight to twelve feet high. The leaves…

An image of a bald cypress, in pyramidal cultivated form. It is otherwise known as taxodium distichum, and is native to the southeastern United States.

Bald Cypress in Cultivated Form

An image of a bald cypress, in pyramidal cultivated form. It is otherwise known as taxodium distichum,…

An image of a bald cypress in swamp form, with aerating roots, or knees. It is otherwise known as taxodium distichum, and is native to the southeastern United States.

Bald Cypress in Swamp Form

An image of a bald cypress in swamp form, with aerating roots, or knees. It is otherwise known as taxodium…

Also known as Taxodium distichum. A species of conifer native to the southeastern United States.

Pine Cone of Bald Cypress

Also known as Taxodium distichum. A species of conifer native to the southeastern United States.

Also known as Abies balsamea. A North American fir, generally found in most of the eastern and central areas of the United States and Canada.

Pine Cone of Balsam Fir

Also known as Abies balsamea. A North American fir, generally found in most of the eastern and central…

The fruit of the balsamocitrus dawei tree is edible. The fruit has a very thick, hard woody rind.

Fruit of Balsamocitrus Dawei

The fruit of the balsamocitrus dawei tree is edible. The fruit has a very thick, hard woody rind.

The <I>Balsamocitrus paniculata</I> tree grows twenty to forty five feet tall. The fruits are spherical and three to five inches in diameter.

Balsamocitrus Paniculata

The Balsamocitrus paniculata tree grows twenty to forty five feet tall. The fruits are spherical and…

"A genus of grasses, of which most of the species attain a great size, many of them 20 or 30 feet, some 70 or 100 feet in height. The species are numerous, and are found in tropical and subtropical regions, both of the eastern and western hemispheres. They are of great importance to the inhabitants of the countries in which they grow." &mdash; Chambers' Encyclopedia, 1875

Bamboo

"A genus of grasses, of which most of the species attain a great size, many of them 20 or 30 feet, some…

The typical representation of banana on a topographical map.

Banana

The typical representation of banana on a topographical map.

An illustration of a large banana plant. Banana is the common name for a fruit and also the herbaceous plants of the genus Musa which produce this commonly eaten fruit. They are native to the tropical region of Southeast Asia. Bananas are likely to have been first domesticated in Papua New Guinea. Today, they are cultivated throughout the tropics.

Banana Plant

An illustration of a large banana plant. Banana is the common name for a fruit and also the herbaceous…

Pictured is a banana plant bearing fruit. This particular plant is a bearing stalk as grown in southern California.

Bearing Banana Plant

Pictured is a banana plant bearing fruit. This particular plant is a bearing stalk as grown in southern…

"The Banyan Tree is a species of the genus ficus. It is regarded as a sacred tree by the Hindus. Its branches produce long shoots, or aerial roots, which descend to the ground and penetrate the soil; so that, in course of time, a single tree becomes a vast umbrageous tent, supported by numerous columns."&mdash;(Charles Leonard-Stuart, 1911)

Banyan Tree

"The Banyan Tree is a species of the genus ficus. It is regarded as a sacred tree by the Hindus. Its…

"This tree, a native of India, is remarkable for its vast branches. It is a species of fig; has ovate, heart-shaped, entire leaves, about five or six inches long, and produces a fruit of a rich scarlet, not larger than a cherry, growing in pairs from the axils of the leaves." -Lupton

Banyan Tree

"This tree, a native of India, is remarkable for its vast branches. It is a species of fig; has ovate,…

The outside covering of a tree; the rind.

Bark

The outside covering of a tree; the rind.

It is a slow-growing long-lived tree, hard to transplant because of its long taproot, and subject to insect damage.

Shell-Bark Hickory

It is a slow-growing long-lived tree, hard to transplant because of its long taproot, and subject to…

"The bark lies immediately beneath the epidermis. It consists of several layers. In the early state it is cellular, and is exactly like the pith with which it is in contact; but by the production of vessels and woody fiber, they are separated and become very different in appearance and constitution. The bark consists of two portions, the cellular and vascular, the latter of which is called liber, and the inner portion of the bark."&mdash;Darby, 1855

The Bark

"The bark lies immediately beneath the epidermis. It consists of several layers. In the early state…

The flowers of <I>Barringtonia speciosa</I> are large and showy. The petals are white with a purple tinted stamen.

Barringtonia Speciosa

The flowers of Barringtonia speciosa are large and showy. The petals are white with a purple tinted…

A palm tree that is commonly found in Australia and New Zealand. They tend to reach about 32 feet, and the fruits grown turn bright red when ripe.

Rhopalostylis Baueri

A palm tree that is commonly found in Australia and New Zealand. They tend to reach about 32 feet, and…

<I>Bauhinia kappleria</I> is a strong tree that grows to fifty feet tall. The flowers are whitish rose with darker and purple markings.

Bauhinia Kappleria

Bauhinia kappleria is a strong tree that grows to fifty feet tall. The flowers are whitish rose with…

Also known as Salix bebbiana. The branch of a Beaked Willow, native to Canada and the northern United States.

Branch of Beaked Willow

Also known as Salix bebbiana. The branch of a Beaked Willow, native to Canada and the northern United…

A bear and a tree.

Bear

A bear and a tree.

Also known as Quercus ilicifolia. The branch of a Bear Oak tree, native to the northeastern United States.

Branch of Bear Oak

Also known as Quercus ilicifolia. The branch of a Bear Oak tree, native to the northeastern United States.

An illustration of a beech branch.

Beech Branch

An illustration of a beech branch.

"Branch of Common Beech. a.-- flower; b.-- fruit. Beech, the common name of trees well known in various parts of the world, including America, New Zealand, and Terra del Fuego." -Vaughan, 1906

Common Beech

"Branch of Common Beech. a.-- flower; b.-- fruit. Beech, the common name of trees well known in various…

"Casuarina female; 2. male; 3. male flower; 4. female flower; 5. the ripe valves of the calyx, from which the fruit has been taken; 6. a section of the half ripe ovary; 7. a section of the fruit showing the seed and embryo." -Lindley, 1853

Beefwood

"Casuarina female; 2. male; 3. male flower; 4. female flower; 5. the ripe valves of the calyx, from…

"The Popular-tree Golden bug, <em>chrysomela populi</em>, of a blueish-green, has a strong odor, and on being touched discharges a yellow liquid: found in Central Europe." &mdash Goodrich, 1859

Leaf Beetle

"The Popular-tree Golden bug, chrysomela populi, of a blueish-green, has a strong odor, and…

"Galleries of the spruce-destroying beetle beneath the bark of a spruce tree." &mdash;Davison, 1906

Spruce Beetle

"Galleries of the spruce-destroying beetle beneath the bark of a spruce tree." —Davison, 1906

"Berrya ammonilla. 1. a flower; 2. the ovary and two stamens; 3. a cross section of the ovary; 4. a perpendicular section of it; 5. a portion of its fruit." -Lindley, 1853

Berrya

"Berrya ammonilla. 1. a flower; 2. the ovary and two stamens; 3. a cross section of the ovary; 4. a…

A plant which produces brightly-colored fruits, approximately 1.5 inches in diameter. They generally grow up to 20 feet in height, and are native to Europe.

Pyrus Malus Bertini

A plant which produces brightly-colored fruits, approximately 1.5 inches in diameter. They generally…

The branch of a Betula alaskana, a species of birch tree.

Branch of Betula Alaskana

The branch of a Betula alaskana, a species of birch tree.

The common names of betula alba are silver, white, or common birch. The flower is whitish and blooms in February and March. Birch is a small shrub in the extreme north but a fifty to sixty feet high tree in middle regions.

Leaves and Catkin of Betula Alba

The common names of betula alba are silver, white, or common birch. The flower is whitish and blooms…

The branch of a Betula coerulea.

Branch of Betula Coerulea

The branch of a Betula coerulea.

<I>Betula pendula</I> is a variety of birch. The tree grows sixty feet tall and has slender branches.

Betula Pendula

Betula pendula is a variety of birch. The tree grows sixty feet tall and has slender branches.

A birch-leaved tree with brownish fronds dotted with white. They tend to reach about 22 feet in height, and produce inedible brown fruits.

Pyrus Betulaefolia

A birch-leaved tree with brownish fronds dotted with white. They tend to reach about 22 feet in height,…

Also known as Sequoia wellington.

Pine Cone of Big Tree

Also known as Sequoia wellington.

Also known as Pseudotsuga macrocarpa. A conifer native to southern California.

Pine Cone of Bigcone Douglas Fir

Also known as Pseudotsuga macrocarpa. A conifer native to southern California.

Also known as Magnolia macrophylla. The branch of a Bigleaf Magnolia tree, native to the southeastern United States and eastern Mexico.

Branch of Bigleaf Magnolia

Also known as Magnolia macrophylla. The branch of a Bigleaf Magnolia tree, native to the southeastern…