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The flowers of koelreuteria paniculata are yellow. There are many flowers on each branch. The leaves are deeply toothed.

Leaf and Portion of Inflorescence of Koelreuteria Paniculata

The flowers of koelreuteria paniculata are yellow. There are many flowers on each branch. The leaves…

The common name of laburnum alpinum is Scotch Laburnum. The flowers are yellow and bloom in June. The shrub grows between fifteen and twenty feet tall.

Flowering Branchlet of Laburnum Alpinum

The common name of laburnum alpinum is Scotch Laburnum. The flowers are yellow and bloom in June. The…

The flowers of laelia albida are very fragrant. The sepals and petals are a mealy white. The lips is white or pale pink, streaked in the center with lines of yellow.

Flower of Laelia Albida

The flowers of laelia albida are very fragrant. The sepals and petals are a mealy white. The lips is…

The flowers of laelia anceps are very fragrant and are two to four inches across. The sepals and petals are a rose lilac color. The lip is deep purple shaded with lilac. The scape has three to six flowers.

Flower of Laelia Anceps

The flowers of laelia anceps are very fragrant and are two to four inches across. The sepals and petals…

Lagenaria vulgaris is commonly known as the bottle gourd. The flowers are large and white. The fruit is shaped like a bottle. The fruit is a pale yellow color when ripe.

Flowering Branch and Fruit of Lagenaria Vulgaris

Lagenaria vulgaris is commonly known as the bottle gourd. The flowers are large and white. The fruit…

Lagurus ovatus flowers are a woolly texture. The flowers bloom June to September.

Lagurus Ovatus

Lagurus ovatus flowers are a woolly texture. The flowers bloom June to September.

Hybrid forms of lantana are employed for greenhouse decoration and for bedding out purposes. Flowers are red, golden, or white.

Inflorescence and Detached Flower of Hybrid Lantana

Hybrid forms of lantana are employed for greenhouse decoration and for bedding out purposes. Flowers…

Lapageria rosea flowers are a rich, rosy crimson. The flowers usually grow alone on each stem.

Lapageria Rosea

Lapageria rosea flowers are a rich, rosy crimson. The flowers usually grow alone on each stem.

The common name of lathyrus odoratus is sweet pea. The flowers are very fragrant and come in various colors. Each penduncle has two or three flowers.

Portion of Flowering Stem of Lathyrus Odoratus

The common name of lathyrus odoratus is sweet pea. The flowers are very fragrant and come in various…

The flowers of lathyrus sylvestris are red and variegated with pale crimson, violet, and tints of green. Each penduncle has three to eight flowers.

Portion of Flowering Stem of Lathyrus Sylvestris

The flowers of lathyrus sylvestris are red and variegated with pale crimson, violet, and tints of green.…

The common name of laurus nobilis is common laurel or sweet bay tree. The flowers are yellow and inconspicuous. The berries are a very dark purple and become ripe in October.

Fruiting Twig, Inflorescence, and Fruits of Laurus Nobilis

The common name of laurus nobilis is common laurel or sweet bay tree. The flowers are yellow and inconspicuous.…

The common name of lavatera arborea is tree mallow. The flowers are pale purple Variegata is a showy, garden form with variegated leaves.

Lavatera Arborea Variegata

The common name of lavatera arborea is tree mallow. The flowers are pale purple Variegata is a showy,…

Lavatera trimestris flowers are rose colored. The flowers bloom in the summer. The plant grows between three and six feet.

Flowering Branch of Lavatera Trimestris

Lavatera trimestris flowers are rose colored. The flowers bloom in the summer. The plant grows between…

Leontice altaica flowers are about twelve per plant. The flowers bloom in April. The plant grows between three and six inches tall.

Habit, Detached Leaf, and Portion of Inflorescence of Leontice Altaica

Leontice altaica flowers are about twelve per plant. The flowers bloom in April. The plant grows between…

The common name of leontopodium alpinum is Edelweiss. The flowers heads grow at the end of the stems. The plant grows six inches tall.

Leontopodium Alpinum

The common name of leontopodium alpinum is Edelweiss. The flowers heads grow at the end of the stems.…

Edelweiss is the common name of leontopodium alpinum. The flowers heads are enveloped in woolly bracts. The flowers bloom in June and July.

Flower Head of Edelweiss

Edelweiss is the common name of leontopodium alpinum. The flowers heads are enveloped in woolly bracts.…

Leptospermum laevigatum flowers are white. The flowers grow alone on each stem, sometimes with two on each stem. The shrubs grow between twenty and thirty feet tall.

Flowering Branchlet of Leptospermum Laevigatum

Leptospermum laevigatum flowers are white. The flowers grow alone on each stem, sometimes with two on…

Leucocoryne ixiodes flowers are white or pale blue. The umbels have four to six flowers. The plant grows about one foot tall.

Leucocoryne Ixiodes

Leucocoryne ixiodes flowers are white or pale blue. The umbels have four to six flowers. The plant grows…

These are detached flower heads of two different varieties of leucocoryne ixiodes. One flower head has entire segments. The other flower head has toothed segments.

Detached Flower Heads of Two Varieties of Leucocoryne Ixiodes

These are detached flower heads of two different varieties of leucocoryne ixiodes. One flower head has…

The common name of leucoium aestivum is Summer Snowflake. The flowers are pure white and about one inch long. Each cluster has four to eight flowers.

Leucoium Aestivum

The common name of leucoium aestivum is Summer Snowflake. The flowers are pure white and about one inch…

The common name of leucoium vernum is Spring Snowflake. The flowers are white with green spots on the tips of the segments. The flowers droop at the tops of the stems.

Habit and Detached Flower of Leucoium Vernum

The common name of leucoium vernum is Spring Snowflake. The flowers are white with green spots on the…

Lewisia reiviva flowers are pink with a nearly white center. The flowers are about three to four inches across. The roots of the plant are edible.

Lewisia Rediviva

Lewisia reiviva flowers are pink with a nearly white center. The flowers are about three to four inches…

Leycesteria formosa flowers are white with a tinge of purple. The plant grows between four and six feet tall.

Flowering Branch of Leycesteria Formosa

Leycesteria formosa flowers are white with a tinge of purple. The plant grows between four and six feet…

The common names of liatris are blazing star and button snake root. The spicata variety has purple flowers heads that grow in spikes six to fifteen inches long. The entire plant is one to two feet tall.

Habit and Detached Flower Head of Liatris Spicata

The common names of liatris are blazing star and button snake root. The spicata variety has purple flowers…

Libertia formosa flowers are white. The leaves are linear and sword shaped. The stem is sixteen inches high.

Habit and Portion of Detached Inflorescence of Libertia Formosa

Libertia formosa flowers are white. The leaves are linear and sword shaped. The stem is sixteen inches…

The flowers are lietzia brasiliensis are green, richly mottled with brown. The leaves are hairy and taper at both ends.

Habit, Detached Leaf, Flower, and Capsule of Lietzia Brasiliensis

The flowers are lietzia brasiliensis are green, richly mottled with brown. The leaves are hairy and…

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…

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…

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…

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.…

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…

The flowers of the Golden Rayed Lily of Japan are ivory white with a distinct central band of bright yellow and numerous deep purple spots. The flowers bloom in summer.

Inflorescence of Golden Rayed Lily of Japan

The flowers of the Golden Rayed Lily of Japan are ivory white with a distinct central band of bright…

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…

St. Joseph's Lilies are pure pearl white. The flowers are two to three inches long. The flowers bloom in June.

Flower Stem of St. Joseph's Lily

St. Joseph's Lilies are pure pearl white. The flowers are two to three inches long. The flowers bloom…

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…

Martagon lily is also known as Turk's Cap lily. The flowers are a dull, purplish red with copious spots of dark purple. The flowers bloom in summer.

Flower Stem and Detached Flower of Martagon Lily

Martagon lily is also known as Turk's Cap lily. The flowers are a dull, purplish red with copious spots…

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…

Common tiger lily is the common name of lilium tigrinum. The flowers are a bright, deep, orange red. There are also numerous small, distinct, purplish black spots. The flowers bloom in July and August.

Flower Stem of Common Tiger Lily

Common tiger lily is the common name of lilium tigrinum. The flowers are a bright, deep, orange red.…

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…

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…

Common flax is the common name of linum usitatissimum. The flowers are blue and bloom in June and July. The plant grows one and a half feet tall.

Flowering Stem of Common Flax

Common flax is the common name of linum usitatissimum. The flowers are blue and bloom in June and July.…