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Ligularia macrophylla flowers are yellow and grow densely on a long, terminal spike. The plant grows three and a half feet tall.

Habit and Detached Flower Head of Ligularia Macrophylla

Ligularia macrophylla flowers are yellow and grow densely on a long, terminal spike. The plant grows…

The flowers of ligustrum lucidum coriaceum are a greenish white color. The leave are leathery and a dark, glossy green. The plant grows between three and four feet tall.

Flowering Branch of Ligustrum Lucidum Coriaceum

The flowers of ligustrum lucidum coriaceum are a greenish white color. The leave are leathery and a…

Ligustrum lucidum flowers are white and grow in much spreading panicles. The plant grows between eight and twelve feet tall.

Leaf and Portion of Panicle of Ligustrum Lucidum

Ligustrum lucidum flowers are white and grow in much spreading panicles. The plant grows between eight…

Lilium bulbiferum is a bulb bearing variety of lily. The flowers are red and slightly cottony on the outside. The flowers bloom in summer.

Flowering Stem of Lilium Bulbiferum

Lilium bulbiferum is a bulb bearing variety of lily. The flowers are red and slightly cottony on the…

Lilium canadense is a Canadian variety of the lily. The flowers vary in color from bright yellow to pale bright red. The flowers also have copious spots. The flowers bloom in the summer.

Habit and Detached Single Flower of Lilium Canadense

Lilium canadense is a Canadian variety of the lily. The flowers vary in color from bright yellow to…

Lilium chalcedonicum is a variety of lily. The flowers are bright scarlet. The stem is stiff and erect, growing between two and three feet tall.

Flower Stem of Lilium Chalcedonicum

Lilium chalcedonicum is a variety of lily. The flowers are bright scarlet. The stem is stiff and erect,…

Lilium concolor pulchelium is a variety of lily. The flowers are bright scarlet with a few faint spots of black. There are twenty to thirty leaves at flowering time.

Lilium Concolor Pulchelium

Lilium concolor pulchelium is a variety of lily. The flowers are bright scarlet with a few faint spots…

Lilium davuricum is a variety of lily. The flowers are scarlet. The stem is between two and three feet high.

Habit and Detached Inflorescence of Lilium Davuricum

Lilium davuricum is a variety of lily. The flowers are scarlet. The stem is between two and three feet…

Lilium elegans is an elegant variety of lily. The flowers are a pale, scarlet red color. Each stem has one or two flower heads.

Habit and Detached Flower of Lilium Elegans

Lilium elegans is an elegant variety of lily. The flowers are a pale, scarlet red color. Each stem has…

Lilium giganteum flowers are white, slight tinged with green on the outside, and with purple in the throat. The stem is straight and erect, growing between four and ten feet tall.

Lilium Giganteum

Lilium giganteum flowers are white, slight tinged with green on the outside, and with purple in the…

Lilium hansoni is a variety of lily. The flowers are a reddish orange color. The stem is three to four feet high.

Habit and Detached Flower of Lilium Hansoni

Lilium hansoni is a variety of lily. The flowers are a reddish orange color. The stem is three to four…

Lilium longiflorum is a long flowered variety of lily. The flowers are fragrant and pure white. The flowers bloom in June.

Flowers of Lilium Longiflorum

Lilium longiflorum is a long flowered variety of lily. The flowers are fragrant and pure white. The…

The lilium pomponium variety of lily has bright red flower or flowers tinged with orange. There are as many as one hundred leaves to a stem.

Habit and Detached Flower of Lilium Pomponium

The lilium pomponium variety of lily has bright red flower or flowers tinged with orange. There are…

The lilium pyrenaicum variety of lily has bright yellow flowers. The flowers are one and a half to two inches long.

Flower of Lilium Pyrenaicum

The lilium pyrenaicum variety of lily has bright yellow flowers. The flowers are one and a half to two…

Lilium roseum is a variety of lily with large, lilac flowers. The flowers bloom in April. The leaves are crowded at the base of the stem.

Habit and Detached Portion of Raceme of Lilium Roseum

Lilium roseum is a variety of lily with large, lilac flowers. The flowers bloom in April. The leaves…

Lilium speciosum roseum is a handsome variety of lily with rose colored flowers.

Lilium Speciosum Roseum

Lilium speciosum roseum is a handsome variety of lily with rose colored flowers.

Lilium testaceum flowers are yellow tinged with dull red. The flowers are two and a half to three inches deep.

Flower Stem of Lilium Testaceum

Lilium testaceum flowers are yellow tinged with dull red. The flowers are two and a half to three inches…

Lilium tigrinum splendens sometimes has twenty five flowers to a stem.

Inflorescence of Lilium Tigrinum Splendens

Lilium tigrinum splendens sometimes has twenty five flowers to a stem.

Lilium washingtonianum flowers are white tinged with purple or lilac. The stem grows between three and five feet tall.

Flower Stem and Detached Flower of Lilium Washingtonianum

Lilium washingtonianum flowers are white tinged with purple or lilac. The stem grows between three and…

Also known as Convallaria majalis. It is native throughout the Northern Hemisphere in Asia and Europe. The flowers are white tepals, bell-shaped, and sweetly scented.

Lily of the Valley

Also known as Convallaria majalis. It is native throughout the Northern Hemisphere in Asia and Europe.…

Also known as Richardia africana. A large, white flower with a rolled round at the edge.

Arum Lily

Also known as Richardia africana. A large, white flower with a rolled round at the edge.

Lily bulbs are composed of a number of fleshy scales. The fleshy scales contract and become withered under the drying influence of the open air.

Bulb of Lily

Lily bulbs are composed of a number of fleshy scales. The fleshy scales contract and become withered…

African plant known for a white spathe and yellow spad.

Calla Lily

African plant known for a white spathe and yellow spad.

Also known as Lilium longiflorum. They are native to Japan and Taiwan, and bears a number of trumpet-shaped, white, fragrant, outward-facing flowers

Easter Lily

Also known as Lilium longiflorum. They are native to Japan and Taiwan, and bears a number of trumpet-shaped,…

"Nymphaea coerulea. 1. a perpendicular section of a seed of N. alba; 2. half an embryo, showing the great plumule lying in the cavity of one cotyledon." -Lindley, 1853

Egyptian Blue Lily

"Nymphaea coerulea. 1. a perpendicular section of a seed of N. alba; 2. half an embryo, showing the…

"Arthropodium paniculatum. 1. A flower magnified; 2. a ripe capsule; 3. a transverse section of it; 4. a vertical section of a seed." -Lindley, 1853

Pale Vanilla Lily

"Arthropodium paniculatum. 1. A flower magnified; 2. a ripe capsule; 3. a transverse section of it;…

Lilium martagon (Martagon or Turk's cap lily) is a species of lily. It has a widespread native region extending from central Europe east through northern Asia to Mongolia and Korea. Several subspecies have been named. The plant is stem-rooting, growing between 1 m and 2 m tall. The flower colour is typically a pink-purple, with dark spots, but is quite variable, extending from near white to near black. The flowers are scented. Numerous flowers are borne on each plant, and up to 50 can be found on vigorous plants.

Turk's Cap Lily

Lilium martagon (Martagon or Turk's cap lily) is a species of lily. It has a widespread native region…

The White Lily is used as an ornament design in flat and relief forms.

White Lily

The White Lily is used as an ornament design in flat and relief forms.

These young bulblets are borne in the axils of the leaves. These bulblets can be collected in the summer. When planted they will grow and form flowering bulbs.

Young Bulblets of Lily

These young bulblets are borne in the axils of the leaves. These bulblets can be collected in the summer.…

Limnanthes douglasii flowers are yellow passing off to white streaked with gray. The flowers have a sweet scent. The flowers bloom spring to autumn.

Flowering Branch of Limnanthes Douglasii

Limnanthes douglasii flowers are yellow passing off to white streaked with gray. The flowers have a…

The common name of linaria is toadflax. The bipartita variety has violet purple flowers. The flowers bloom June to September. The plant grows one foot tall.

Linaria Bipartita

The common name of linaria is toadflax. The bipartita variety has violet purple flowers. The flowers…

The common name of linaria is toadflax. The maritima variety has pale yellow flowers with an orange palate. The flowers bloom in the summer. The plant grows between six and twelve inches tall.

Linaria Maritima

The common name of linaria is toadflax. The maritima variety has pale yellow flowers with an orange…

The common name of linaria is toadflax. The maroccana variety has bright, violet purple flowers. The flowers bloom in June. The plant grows nine inches tall. Pictured are the upper portion of the plant, the detached flower, the calyx, and the portion of the stem with glandular hairs.

Linaria Maroccana

The common name of linaria is toadflax. The maroccana variety has bright, violet purple flowers. The…

Pictured are a portion of the inflorescence, a detached flower, and a leaf of linaria triornithophora. The flowers are purple with a yellow palate. The flowers bloom June to September.

Linaria Triornithophora

Pictured are a portion of the inflorescence, a detached flower, and a leaf of linaria triornithophora.…

Linaria vulgaris is known common toadflax. The peloria variety has five spurs. The flowers are pale yellow. The plant grows between two and three feet tall.

Habit and Detached Single Flower of Linaria Vulgaris Peloria

Linaria vulgaris is known common toadflax. The peloria variety has five spurs. The flowers are pale…

Lindelofia spectabilis flowers are purple or red. The flowers bloom May to August. The plant grows between one and one and a half feet tall.

Habit and Detached Flowers of Lindelofia Spectabilis

Lindelofia spectabilis flowers are purple or red. The flowers bloom May to August. The plant grows between…

The common name of linum is flax. The grandiflorum variety has large, rose colored flowers. The plant grows between six and twelve inches tall.

Habit and Detached Portion of Inflorescence of Linum Grandiflorum

The common name of linum is flax. The grandiflorum variety has large, rose colored flowers. The plant…

Tulip tree is the common name of liriodendron tulipifera. The flowers are variegated with green, yellow, and orange. The flowers are large and one grows on the end of each stem. The picture shows a flowering branchlet and the longitudinal section of a flower with the sepals and petals removed.

Liriodendron Tulipifera

Tulip tree is the common name of liriodendron tulipifera. The flowers are variegated with green, yellow,…

"Litsaea Baueri. 1. a male flower; 2. a female; 3. a stamen, with a gland at the base; 4. an anther, with the recurved valves; 5. a cluster of fruit; 6. a cotyledon seen from within, with the plumule adhering to the inner face." -Lindley, 1853

Litsea

"Litsaea Baueri. 1. a male flower; 2. a female; 3. a stamen, with a gland at the base; 4. an anther,…

Pictured are the top of the flowering shoot and detached flower of littonia modesta. The flowers are rich orange and bell shaped. The flowers bloom in early summer. The plant grows between two and six feet tall.

Littonia Modesta

Pictured are the top of the flowering shoot and detached flower of littonia modesta. The flowers are…

Lizard orchis is the common name of orchis hircina. The flower is a dirty, greenish white color with a disagreeable smell. The flowers have a long, linear lip.

Flower of Lizard Orchis

Lizard orchis is the common name of orchis hircina. The flower is a dirty, greenish white color with…

"Flowering branch of Lizardtail (Saururus cernuus). a, flower." -Whitney, 1911

Lizard's Tail

"Flowering branch of Lizardtail (Saururus cernuus). a, flower." -Whitney, 1911

Flower of Lobelia cardinalis, Cardinal flower; corolla making approach to the ligulate form; filaments (<em>st</em>) monadelphous, and anthers (<em>a</em>) syngenesious.

Lobelia cardinalis

Flower of Lobelia cardinalis, Cardinal flower; corolla making approach to the ligulate form; filaments…

Lobelia erinus flowers are blue with a white or yellowish throat. The flowers bloom in the summer.

Flowering Branch of Lobelia Erinus

Lobelia erinus flowers are blue with a white or yellowish throat. The flowers bloom in the summer.

Lobelia fulgens flowers are scarlet, about one inch long, and downy on the outside. The flowers bloom May to September. Pictured are the habit, a detached portion of the stem fully opened, and a young flower.

Lobelia Fulgens

Lobelia fulgens flowers are scarlet, about one inch long, and downy on the outside. The flowers bloom…

"Lobelia siphilitica. 1. an entire flower; 2. the stamens; 3. perpendicular section of the ovary; 4 and 5 stigmas." -Lindley, 1853

Great Blue Lobelia

"Lobelia siphilitica. 1. an entire flower; 2. the stamens; 3. perpendicular section of the ovary; 4…

Pictured are the habit, a detached flower head, a leaf, and a single floret of lonas inodora. The flowers are small and yellow. The flowers bloom July to October.

Lonas Inodora

Pictured are the habit, a detached flower head, a leaf, and a single floret of lonas inodora. The flowers…

A flowering plant, belonging to the Veronica genus of the Plantaginaceae family.

Veronica Longifolia

A flowering plant, belonging to the Veronica genus of the Plantaginaceae family.

Pictured are diagrams to illustrate modifications of receptacle in longitudinal sections of flowers. The receptacle produces a flat ring which may surround the ovary.

Longitudinal Sections of Flowers

Pictured are diagrams to illustrate modifications of receptacle in longitudinal sections of flowers.…

The common name of lonicera is honeysuckle. The caprifolium variety has yellowish flowers with a bluish tube. The flowers are two inches long and highly fragrant.

Flowering Branchlet of Lonicera Caprifolium

The common name of lonicera is honeysuckle. The caprifolium variety has yellowish flowers with a bluish…

The common name of lonicera is honeysuckle. The flexuosa variety has very fragrant yellow flowers. The flowers bloom in June and July.

Flowering Branch and Detached Flowers of Lonicera Flexuosa

The common name of lonicera is honeysuckle. The flexuosa variety has very fragrant yellow flowers. The…

Lonicera sempervirens is an evergreen variety of honeysuckle. The flowers are scarlet outside and yellow inside. The flowers bloom in the spring and summer.

Flowering Branchlet of Lonicera Sempervirens

Lonicera sempervirens is an evergreen variety of honeysuckle. The flowers are scarlet outside and yellow…

"Loranthus chrysanthus. 1. section of a flower; 2. of a fruit." -Lindley, 1853

Loranthus

"Loranthus chrysanthus. 1. section of a flower; 2. of a fruit." -Lindley, 1853

"Nelumbium speciosum. 1. a section of its young carpel; 2. a section of the same when ripened into a bean, and showing the structure of the seed." -Lindley, 1853

Lotus

"Nelumbium speciosum. 1. a section of its young carpel; 2. a section of the same when ripened into a…

An illustration of a lotus flower border.

Lotus Flower Border

An illustration of a lotus flower border.

Lotus jacobaeus flowers are dark purple, almost black. The upper petal is yellowish. The plant grows between one and three feet tall.

Lotus Jacobaeus

Lotus jacobaeus flowers are dark purple, almost black. The upper petal is yellowish. The plant grows…

The American lotus or Nelumbo lutea.

American Lotus

The American lotus or Nelumbo lutea.

"This is also a very well known flowering plant, of which there are many varieties - white, light and dark blue, single and double. The one most in cultivation with the finest large sweet-scented flowers is V. Marie Louise, which surpasses all other double blue Violets in the profusion of its flowers, richness of color, and delicious fragrance."&mdash;Heinrich, 1887

Violet, Marie Louise

"This is also a very well known flowering plant, of which there are many varieties - white, light and…

Lucalia gratissima flowers are rose colored. The flowers are somewhat fleshy and are sweet scented.

Flowering Branch of Luculia Gratissima

Lucalia gratissima flowers are rose colored. The flowers are somewhat fleshy and are sweet scented.

The flowers of luculia pinceana are large and white. The flowers are also very fragrant.

Flowering Branch of Luculia Pinceana

The flowers of luculia pinceana are large and white. The flowers are also very fragrant.