The common name of iberis coronaria is rocket candytuft. The flower are pure white. The flowers grow in numerous long, dense heads or spikes at the tops of the stems.

Flowering Branch and Detached Flower of Iberis Coronaria

The common name of iberis coronaria is rocket candytuft. The flower are pure white. The flowers grow…

The common name of iberis sempervirens is evergreen candytuft. The flowers are pure white and bloom in the summer. The plant grows between nine and twelve inches tall.

Flowering Branch of Iberis Sempervirens

The common name of iberis sempervirens is evergreen candytuft. The flowers are pure white and bloom…

The common name of iberis umbellata is the common candytuft. The flowers are usually purple. The flowers bloom in spring and summer. The plant grows between six and twelve inches tall.

Habit and Detached Inflorescence of Iberis Umbellata

The common name of iberis umbellata is the common candytuft. The flowers are usually purple. The flowers…

"Mesembryanthemum. 1. its fruit; 2. the same opened; 3. a seed; 4. the same divided perpendicularly." -Lindley, 1853

Icicle Plant

"Mesembryanthemum. 1. its fruit; 2. the same opened; 3. a seed; 4. the same divided perpendicularly."…

Ilex cornuta is a variety of holly. The berries of this variety are large. The leaves are hard and dark green. The leaves usually have three strong spines at the end.

Habit, Flowering Branch, and Flower of Ilex Cornuta

Ilex cornuta is a variety of holly. The berries of this variety are large. The leaves are hard and dark…

The flowers are shining white and grow in whorls. The flowers bloom in summer. The plant grows between one and three inches tall.

Flowering Shoot of Illecebrum Verticillatum

The flowers are shining white and grow in whorls. The flowers bloom in summer. The plant grows between…

The flowers are a clear, rich salmon or light flame color. The flowers are large with a light center. The leaves are dark green. It is supposedly a hybrid.

Habit and Detached Flower of Imantophyllum Cyrtanthiflorum

The flowers are a clear, rich salmon or light flame color. The flowers are large with a light center.…

The flowers are a fine, deep orange. The anthers and style of the flowers are bright yellow. The umbel has ten to twenty flowers.

Imantophyllum Miniatum

The flowers are a fine, deep orange. The anthers and style of the flowers are bright yellow. The umbel…

The common name of impatiens balsamina is the common balsam. The flowers are red. The flowers bloom in the summer. The plant grows between one and two feet tall.

Flowering Shoot of Impatiens Balsamina Flore-Pleno

The common name of impatiens balsamina is the common balsam. The flowers are red. The flowers bloom…

This variety of balsam has purple flowers that bloom in August. The plant grows to be ten feet tall. The plant is a hardy annual.

Top of Flowering Branch, Detached Flower, and Young Seed Vessel of Impatiens Roylei

This variety of balsam has purple flowers that bloom in August. The plant grows to be ten feet tall.…

The flowers are a bright rose color and grow on short stalks. The flowers bloom in summer. The plant grows between three and four and a half feet tall.

Flowering Shoot and Detached Single Flower of Incarvillea Olgae

The flowers are a bright rose color and grow on short stalks. The flowers bloom in summer. The plant…

Indian fig, the common name of optunia ficus-indica, has yellow flowers that bloom in May. The fruit is bristly and red within. The fruit is edible.

Branch of Indian Fig

Indian fig, the common name of optunia ficus-indica, has yellow flowers that bloom in May. The fruit…

The Indian Tobacco or Lobelia inflata is an herbaceous plant used for medicinal purposes.

Indian Tobacco

The Indian Tobacco or Lobelia inflata is an herbaceous plant used for medicinal purposes.

A term used in botany referring to a case when a collection of hairs unite to form a cup inclosing the stigma of a flower; the scale or shield covering the fruit-spot of the fern.

Indusium

A term used in botany referring to a case when a collection of hairs unite to form a cup inclosing the…

The flower heads are yellow. The flowers bloom in July and August. Each stem is hairy with one flower head.

Inula Glandulosa

The flower heads are yellow. The flowers bloom in July and August. Each stem is hairy with one flower…

The common name of inula helenium is Elecampane. The flower heads are bright yellow. The flower heads grow alone at the ends of the stems. The plant grows between three and four feet tall.

Inula Helenium

The common name of inula helenium is Elecampane. The flower heads are bright yellow. The flower heads…

Ione bicolor, a species in the Orchid family.

Ione

Ione bicolor, a species in the Orchid family.

Flower of Ipomoea coccinea; limb almost <em>entire</em>.

Ipomoea Coccinea

Flower of Ipomoea coccinea; limb almost entire.

The flowers are dark purple. The flowers bloom June to September. The plant grows ten feet tall.

Habit and Detached Flower Shoot of Ipomoea Purpurea

The flowers are dark purple. The flowers bloom June to September. The plant grows ten feet tall.

The flowers are dark red. There is one flower per slim stem. The flowers bloom July to September. The plant grows to be six feet tall.

Habit and Detached Flowering Branchlet of Ipomoea Quamoclit

The flowers are dark red. There is one flower per slim stem. The flowers bloom July to September. The…

The flowers are white in the bud, with the limb of a rich lake red. When the flower becomes expanded it becomes a fine, purplish blue color. Each slim stem has three to four flowers.

Habit and Detached Flowering Shoot of Ipomoea Rubro-Caerulea

The flowers are white in the bud, with the limb of a rich lake red. When the flower becomes expanded…

The Iris is found throughout the world.

Iris

The Iris is found throughout the world.

Iris is a genus of between 200-300 species of flowering plants with showy flowers. It takes its name from the Greek word for a rainbow, referring to the wide variety of flower colors found among the many species. As well as being the scientific name, iris is also very widely used as a common name; for one thing, it refers to all Iris species, but some plants called thus belong to closely related genera. In North America, a common name for irises is flags, while the subgenus Scorpiris is widely known as junos, particularly in horticulture.

Iris

Iris is a genus of between 200-300 species of flowering plants with showy flowers. It takes its name…

An illustration of the iris flower.

Iris

An illustration of the iris flower.

Each spathe of iris caucasica has one flower. The flowers are a pale yellow and have no scent. Each stem has one to three flowers.

Iris Caucasica

Each spathe of iris caucasica has one flower. The flowers are a pale yellow and have no scent. Each…

Iris germanica is commonly know as either German or common iris. The flowers are purple with a white claw with brownish veins. The flowers are very fragrant. Each clusters has four to five flowers.

Habit and Detached Flower of Iris Germanica

Iris germanica is commonly know as either German or common iris. The flowers are purple with a white…

Iris guldenstadtiana flowers bloom in June. Each spathe has two or three flowers. The plant grows two feet tall.

Iris Guldenstadtiana

Iris guldenstadtiana flowers bloom in June. Each spathe has two or three flowers. The plant grows two…

Iris histrio flowers are a lilac purple color. Each spathe has one flower.

Flowers and Leaves of Iris Histrio

Iris histrio flowers are a lilac purple color. Each spathe has one flower.

Iris iberica flowers grow alone on each stem. The flowers are white or pale lilac.

Flower of Iris Iberica

Iris iberica flowers grow alone on each stem. The flowers are white or pale lilac.

The common name of iris laevigata is Japanese Iris. The flowers are bright purple and grow alone on each stem. The leaves are pale green, thin, and weak.

Iris Laevigata Flore-Pleno

The common name of iris laevigata is Japanese Iris. The flowers are bright purple and grow alone on…

Iris pallida is a fragrant flower with a smell similar to orange blossoms. The lower half of the flower is veined with bright lilac on a white ground.

Flower Scape of Iris Pallida

Iris pallida is a fragrant flower with a smell similar to orange blossoms. The lower half of the flower…

Iris persica flowers are violet scented. The flowers bloom in February and March. The flowers are a pale, yellowish lilac with a bright yellow, beardless keel.

Iris Persica

Iris persica flowers are violet scented. The flowers bloom in February and March. The flowers are a…

Iris pumila is a small, dwarf variety. The flowers are a bright, lilac purple color.

Iris Pumila

Iris pumila is a small, dwarf variety. The flowers are a bright, lilac purple color.

The limb of iris reticulata is a deep, violet purple. The flower also has a narrow, paler keel that is violet spotted with a narrow yellow line down the center.

Iris Reticulata

The limb of iris reticulata is a deep, violet purple. The flower also has a narrow, paler keel that…

Iris susiana flowers grow alone of each stem. The flowers are a whitish lilac with dense, fine brown black spots.

Iris Susiana

Iris susiana flowers grow alone of each stem. The flowers are a whitish lilac with dense, fine brown…

Iris versicolor flowers are redish purple. The flowers grow in clusters. This variety is common in North America.

Habit and Detached Portion of Inflorescence of Iris Versicolor

Iris versicolor flowers are redish purple. The flowers grow in clusters. This variety is common in North…

The stem of iris vulgare is one to two feet high with one or two flowers. The flowers are purple and erect.

Habit and Detached Flower of Iris Vulgare

The stem of iris vulgare is one to two feet high with one or two flowers. The flowers are purple and…

The capsule of iris bursts when ripe. When the capsule bursts it discharges its' contents.

Dehiscing Capsule of Iris

The capsule of iris bursts when ripe. When the capsule bursts it discharges its' contents.

Iris germanica or German Iris and the ripe capsule of an Iris.

German Iris

Iris germanica or German Iris and the ripe capsule of an Iris.

Stamen of Isopyrum, with innate anther.

Isopyrum

Stamen of Isopyrum, with innate anther.

The flowers of isopyrum thalictroides are small and white. The sepals are blunt. The height of the plant is between nine and fifteen inches.

Habit and Detached Leaflet of Isopyrum Thalictroides

The flowers of isopyrum thalictroides are small and white. The sepals are blunt. The height of the plant…

"1. Hedera Helix; 2. a flower of Dimorphanthus edulis; 3. perpendicular section of the ovary; 4. undivided ovary; 5. ripe fruit; 6. cross section of it; 7. section of seed of H. Helix." -Lindley, 1853

Ivy

"1. Hedera Helix; 2. a flower of Dimorphanthus edulis; 3. perpendicular section of the ovary; 4. undivided…

An illustration of an ivy plant with the fruit and flower.

Ivy

An illustration of an ivy plant with the fruit and flower.

The flowers are a beautiful, deep blue. The flowers are two inches in diameter. The plant grows one and a half feet tall.

Habit, Raceme, and Detached Flower of Ixiolirion Tataricum Brachyantherum

The flowers are a beautiful, deep blue. The flowers are two inches in diameter. The plant grows one…

A tree which produces dark red flowers and fragrant green leaves. The leaves are oval and serrated. They are native to Japan.

Pyrus Japonica

A tree which produces dark red flowers and fragrant green leaves. The leaves are oval and serrated.…

A flower in the buckwheat family. A drooping flower with a white tube and green deltoid teeth.

Polygonum Japonicum

A flower in the buckwheat family. A drooping flower with a white tube and green deltoid teeth.

A wicker-work basket used to hold decorative plants and flowers.

Wicker-Work Jardiniere

A wicker-work basket used to hold decorative plants and flowers.

The Yellow Jasmine (Gelsemium sempervirens) is a vine in the Gelsemiaceae family.

Yellow Jasmine

The Yellow Jasmine (Gelsemium sempervirens) is a vine in the Gelsemiaceae family.

The common name of jasminum is jasmine. The floridum variety has yellow flowers a half inch in diameter. It is a hardy, ornamental shrub.

Flowering Branchlet of Jasminum Floridum

The common name of jasminum is jasmine. The floridum variety has yellow flowers a half inch in diameter.…

The common name of jasminum is jasmine. The grandiflorum variety has white flowers that are reddish underneath. The flowers bloom June to October.

Flowering Spray of Jasminum Grandiflorum

The common name of jasminum is jasmine. The grandiflorum variety has white flowers that are reddish…

Jasmine is the common name of jasminum. The nudiflorum variety has yellow flowers. The flowers grow opposite each other, with one on each stem.

Flowering Branch of Jasminum Nudiflorum

Jasmine is the common name of jasminum. The nudiflorum variety has yellow flowers. The flowers grow…

Jasminum officinale affine differs from common white jessamine because it has larger flowers and a more copious inflorescence. This variety is probably of garden origin.

Inflorescence of Jasminum Officinale Affine

Jasminum officinale affine differs from common white jessamine because it has larger flowers and a more…

A small cruciferous plant, growing in arid Arabia and Palestine. When full grown and ripe its leaves drop and it becomes rolled up like a ball in the dry season, but opens its branches and seed vessels when it comes in contact with moisture.

Illustration of Roots and Jericho Rose

A small cruciferous plant, growing in arid Arabia and Palestine. When full grown and ripe its leaves…

Genus of spiny shrubs of the buckthorn family.

Zizyphus Jujuba

Genus of spiny shrubs of the buckthorn family.

Known as the soft rush, Juncus effusus is nearly as common as the most common species, J. conglomeratus. It can be distinguished from J. conglomeratus by its branching and looser inflorescence. It belongs to a genus of grass-like herbs (Juncus) that grow in boggy places.

Juncus Effusus

Known as the soft rush, Juncus effusus is nearly as common as the most common species, J. conglomeratus.…

Also known as Amelanchier canadensis. The branch of a Juneberry bush, native to eastern North America, primarily Canada.

Branch of Juneberry

Also known as Amelanchier canadensis. The branch of a Juneberry bush, native to eastern North America,…

Four grains united, as in most of the Heath family.

Kalmia

Four grains united, as in most of the Heath family.

The common name of kalmia latifolia is calico bush. Part A is a detached flower. Part B is a section of a detached flower. Part C is the stamen.

Detached Flower, Section of Detached Flower, and Stamen of Kalmia Latifolia

The common name of kalmia latifolia is calico bush. Part A is a detached flower. Part B is a section…

The common name of kalmia latifolia is calico bush. The flowers range from rose colored to white. The shrub grows between three and ten feet tall.

Flowering Branch of Kalmia Latifolia

The common name of kalmia latifolia is calico bush. The flowers range from rose colored to white. The…

Karatas humilis flowers are crimson. The flowers grow in central tufts surronded by leaves. The height of the shrub is one foot.

Karatas Humilis

Karatas humilis flowers are crimson. The flowers grow in central tufts surronded by leaves. The height…