Sweet gum is the common name of liquidambar styraciflua. The number 1 represents the female flower. The numbers 2 represent the male flowers.

Branch of Sweet Gum with Female and Male Flowers

Sweet gum is the common name of liquidambar styraciflua. The number 1 represents the female flower.…

The flowers of sweet gum are greenish yellow. The flowers bloom in spring. The tree somewhat resembles maple.

Female Flowering Branch of Sweet Gum

The flowers of sweet gum are greenish yellow. The flowers bloom in spring. The tree somewhat resembles…

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,…

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…

Cardinal flower is the common name of lobelia cardinalis. The flowers are scarlet. The leaves are oblong and taper at each point.

Flowering Stem of Cardinal Flower

Cardinal flower is the common name of lobelia cardinalis. The flowers are scarlet. The leaves are oblong…

Cardinal flower is the common name of lobelia cardinalis. The flowers are scarlet. The flowers bloom in July and August. The plant grows between one and two feet tall.

Cardinal Flower

Cardinal flower is the common name of lobelia cardinalis. The flowers are scarlet. The flowers bloom…

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…

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…

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…

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…

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.

The common name of lunaria is honesty. The annua variety has violet lilac flowers. The flowers are scentless. The leaves are heart shaped.

Flowering Stem of Lunaria Annua

The common name of lunaria is honesty. The annua variety has violet lilac flowers. The flowers are scentless.…

The common name of lupinus is lupine. Lupinus cruikshankii has blue flowers with yellow in the center. It is considered to be a species of lupinus mutabilis.

Lupinus (Mutabilis) Cruikshankii

The common name of lupinus is lupine. Lupinus cruikshankii has blue flowers with yellow in the center.…

Common dwarf lupine is the common name of lupinus nanus. The flowers are lilac and blue. The flowers bloom in the summer.

Flowering Branch of Common Dwarf Lupine

Common dwarf lupine is the common name of lupinus nanus. The flowers are lilac and blue. The flowers…

Lupinus nootkatensis is a variety of lupine. The flowers are blue mixed with purple, white, or yellow. The flowers bloom May to July.

Lupinus Nootkatensis

Lupinus nootkatensis is a variety of lupine. The flowers are blue mixed with purple, white, or yellow.…

Lupinus polyphyllus is a variety of lupine. The flowers are usually dark blue. There are eleven to fifteen leaflets which taper at each point and are hairy beneath.

Inflorescence and Upper Leaves of Lupinus Polyphyllus

Lupinus polyphyllus is a variety of lupine. The flowers are usually dark blue. There are eleven to fifteen…

Lycaste jugosa petals are white with numerous stripes of rich dark purple. The flowers bloom in April and May. The flower is about two inches in diameter.

Lycaste Jugosa

Lycaste jugosa petals are white with numerous stripes of rich dark purple. The flowers bloom in April…

Lychnis alpina flowers are pink and grow in close, compact heads. The petals are very narrow. The flowers bloom in spring and summer.

Habit and Detached Portion of Inflorescence of Lychnis Alpina

Lychnis alpina flowers are pink and grow in close, compact heads. The petals are very narrow. The flowers…

Lychnis chalcedonica flowers are scarlet. The flowers grow in dense clusters. The flowers bloom in the summer.

Flowering Branch of Lychnis Chalcedonica

Lychnis chalcedonica flowers are scarlet. The flowers grow in dense clusters. The flowers bloom in the…

Lychnis coronaria flowers are red. Each penduncle has one flower. The flowers bloom in July.

Flowering Branch of Lychnis Coronaria

Lychnis coronaria flowers are red. Each penduncle has one flower. The flowers bloom in July.

Lychnis fulgens flowers are bright red. The flowers are large and the petals are four cleft. The flowers bloom in spring and summer.

Corolla of Lychnis Fulgens

Lychnis fulgens flowers are bright red. The flowers are large and the petals are four cleft. The flowers…

Lychnis fulgens grandiflora flowers are scarlet and about two inches across. The flowers bloom in summer and autumn.

Corolla of Lychnis Fulgens Grandiflora

Lychnis fulgens grandiflora flowers are scarlet and about two inches across. The flowers bloom in summer…

Lychnis fulgens haageana flowers are scarlet and about two inches across. The flowers grow in twos or threes. The flowers bloom in summer.

Corolla of Lychnis Fulgens Haageana

Lychnis fulgens haageana flowers are scarlet and about two inches across. The flowers grow in twos or…

Lychnis fulgens sieboldi flowers are very large and are pure white. The petals are irregular and wedge shaped with jagged margins. The flowers bloom in summer.

Corolla of Lychnis Fulgens Sieboldi

Lychnis fulgens sieboldi flowers are very large and are pure white. The petals are irregular and wedge…

Lycoris sewerzowi flowers are brownish red and fragrant. The flowers bloom in summer.

Habit and Detached Flower of Lycoris Sewerzowi

Lycoris sewerzowi flowers are brownish red and fragrant. The flowers bloom in summer.

The primary leafstalk of lygodium palmatum is very slender, about an eighth of an inch to a quarter of an inch long. This fern can be found on the east coast of the United States, from Massachusetts to Florida.

Lygodium Palmatum

The primary leafstalk of lygodium palmatum is very slender, about an eighth of an inch to a quarter…

Magnolia conspicua is also known as the Yulan. The flowers are white, sometimes suffused with purple. The flowers are very fragrant and expand during the day.

Flower and Leaves of Magnolia Conspicua

Magnolia conspicua is also known as the Yulan. The flowers are white, sometimes suffused with purple.…

Magnolia glauca has very fragrant white flowers. There are nine to twelve petals per flower. The flowers are about three inches in diameter.

Flowering Branchlet of Magnolia Glauca

Magnolia glauca has very fragrant white flowers. There are nine to twelve petals per flower. The flowers…

The flowers of magnolia grandiflora are large, white, and sweet scented. The flowers are six to eight inches in diameter. The flowers bloom in the summer.

Flowering Branchlet of Magnolia Grandifolia

The flowers of magnolia grandiflora are large, white, and sweet scented. The flowers are six to eight…

The flowers of mahernia glabrata are yellow and drooping. The flowers bloom April to June. The flowers are native to South Africa.

Flowering Branch of Mahernia Glabrata

The flowers of mahernia glabrata are yellow and drooping. The flowers bloom April to June. The flowers…

The flowers of malacocarpus erinaceus are straw colored. When the flowers are in bud they are clothed with long silky brown hairs. The plant is bullet shaped with a very slight depressed top.

Malacocarpus Erinaceus

The flowers of malacocarpus erinaceus are straw colored. When the flowers are in bud they are clothed…

The flowers of malope trifida grandiflora is a variety of malope trifida. The flowers are large and purple or white.

Flowering Branch of Malope Trifida Grandiflora

The flowers of malope trifida grandiflora is a variety of malope trifida. The flowers are large and…

The flowers of malpighia aquifolia are a pale blush or pink color. Each branch has one or two flowers. The flowers bloom in August.

Flowering Branchlet of Malpighia Aquifolia

The flowers of malpighia aquifolia are a pale blush or pink color. Each branch has one or two flowers.…

Delicate species of mammillaria thrive when grafted on some cereus stock.

Graft of Mammillaria on Cereus Stock

Delicate species of mammillaria thrive when grafted on some cereus stock.

Mammillaria dolichocentra is a cactus with pale rose or reddish crimson flowers. The stem is six to eight inches high and three inches in diameter. The white spines have irregular length.

Mammillaria Dolichocentra

Mammillaria dolichocentra is a cactus with pale rose or reddish crimson flowers. The stem is six to…

The mammillaria haageana cactus has bright carmine rose flowers. The stem is bullet shaped when young and club shaped when old. The outer spines are short and white while the inner spines are longer and black.

Mammillaria Haageana

The mammillaria haageana cactus has bright carmine rose flowers. The stem is bullet shaped when young…

The mammillaria sanguinea cactus has dark red flowers. The stem is short and columnar. This cactus is native to Mexico.

Mammillaria Sanguinea

The mammillaria sanguinea cactus has dark red flowers. The stem is short and columnar. This cactus is…

Devil's Apples is the common name of mandragora vernalis. The flowers are white or bluish. Pictured is the entire plant in flower, the young fruit, the ovary, and the stamen.

Devil's Apples

Devil's Apples is the common name of mandragora vernalis. The flowers are white or bluish. Pictured…

The common name of margyricarpus is pearl fruit. The setosus variety has very small green flowers. The fruit are white and are about an eighth of an inch to a sixth of an inch in diameter.

Habit and Detached Portion of Fruiting Branch of Margyricarpus Setosus

The common name of margyricarpus is pearl fruit. The setosus variety has very small green flowers. The…

African marigold is the common name of tagetes erecta. These marigolds are employed for summer bedding. African marigolds are lemon or orange colored.

African Marigold

African marigold is the common name of tagetes erecta. These marigolds are employed for summer bedding.…

French marigold is the common name of tagetes patula. The flowers are yellow or rich velvety brown. The flowers are also beautifully striped and marked.

French Marigold

French marigold is the common name of tagetes patula. The flowers are yellow or rich velvety brown.…

The capsules of martynia lutea flowers are similar to the fruit of cherries or plums. The capsule has an outer skin, a pulpy middle layer, and a hard inner shell enclosing a seed. The capsule terminates in two curved beaks or hooks.

Fruit of Martynia Lutea

The capsules of martynia lutea flowers are similar to the fruit of cherries or plums. The capsule has…

Martynia proboscidea flowers have a yellowish white tube that is variegated with green, yellow, and violet spots and lines. The limb is wide and pale violet marked with yellow and violet dots and lines.

Habit and Detached Portion of Inflorescence of Martynia Proboscidea

Martynia proboscidea flowers have a yellowish white tube that is variegated with green, yellow, and…

The flower of masdevallia ignea is bright fiery red and deeply shaded with crimson or violet rose. Each scape has one flower. This flower is native to Columbia.

Flower of Masdevallia Ignea

The flower of masdevallia ignea is bright fiery red and deeply shaded with crimson or violet rose. Each…

Masdevallia lindeni flowers are brilliant violet, rose, or magenta, with a white eye. Each stem has one flower. The flowers bloom in winter and early spring.

Masdevallia Lindeni

Masdevallia lindeni flowers are brilliant violet, rose, or magenta, with a white eye. Each stem has…

Masdevallia tovarensis flowers are pure white and usually grow in pairs. The leaves are deep green and erect, growing about six inches high.

Leaves and Flowers of Masdevallia Tovarensis

Masdevallia tovarensis flowers are pure white and usually grow in pairs. The leaves are deep green and…

The common name of mathiola incana is wallflower-leaved stock. The flowers are usually purple. Flore-pleno is a double flowered form.

Mathiola Incana Flore-Pleno

The common name of mathiola incana is wallflower-leaved stock. The flowers are usually purple. Flore-pleno…

The flowers have mathiola tricuspidata are bright lilac. The flowers are a lighter color towards the base of each petal. The flowers bloom in the summer.

Flowering Branch of Mathiola Tricuspidata

The flowers have mathiola tricuspidata are bright lilac. The flowers are a lighter color towards the…

Pictured are the habit and detached flowering branchlet of matricaria inodora flore-pleno. The flowers of this double form are white.

Matricaria Inodora Flore-Pleno

Pictured are the habit and detached flowering branchlet of matricaria inodora flore-pleno. The flowers…

The flower lobes of maurandya barclayana are a violet purple color. The tube is downy, curved, and greenish. The flowers bloom in summer.

Portion of Flowering Stem and Detached Flower of Maurandya Barclayana

The flower lobes of maurandya barclayana are a violet purple color. The tube is downy, curved, and greenish.…

The flowers of maurandya scandens are purplish violet. The leaves are heart shaped and deeply serrated.

Flowering Branch, Detached Flower, and Leaf of Maurandya Scandens

The flowers of maurandya scandens are purplish violet. The leaves are heart shaped and deeply serrated.

The flowers of maxillaria picta are a soft cream color and are streaked or dotted with dull purple and chocolate brown. The petals are incurved. The flowers have a powerful aromatic perfume.

Flower of Maxillaria Picta

The flowers of maxillaria picta are a soft cream color and are streaked or dotted with dull purple and…

The pseudo-bulbs of maxillaria venusta are two leaved. The flowers are a waxy white. The lip of the flower is faintly stained with yellow and blotched with crimson. The leaves are linear, oblong, and a light shining green color.

Pseudo-Bulb, Leaf, and Flower of Maxillaria Venusta

The pseudo-bulbs of maxillaria venusta are two leaved. The flowers are a waxy white. The lip of the…

Medinilla magnifica flowers are rosy pink. The flowers bloom in May. The plant grows three feet tall.

Flowering Branch of Medinilla Magnifica

Medinilla magnifica flowers are rosy pink. The flowers bloom in May. The plant grows three feet tall.

Pictured are the flowering stem with racemose male flowers and the solitary fertiles ones from the same axils, the detached fruit, and a section of the seed.

Megarrhiza Californica

Pictured are the flowering stem with racemose male flowers and the solitary fertiles ones from the same…

The flowers of melaleuca squamea are reddish purple, white, or yellowish. The flowers grow together in small, round heads. The flowers bloom in June.

Flowering Branches of Melaleuca Squamea

The flowers of melaleuca squamea are reddish purple, white, or yellowish. The flowers grow together…