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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…

A bright red flower with golden-yellow acidic fruits. They are commonly found in Japan.

Pyrus Maulei

A bright red flower with golden-yellow acidic fruits. They are commonly found in Japan.

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…

"Mayaca vandellii; 1. a flower; 2. a cross section of its ovary; 3. a seed vessel; 4. two seeds, one of which is cut perpendicularly in order to show the embryo." -Lindley, 1853

Mayaca

"Mayaca vandellii; 1. a flower; 2. a cross section of its ovary; 3. a seed vessel; 4. two seeds, one…

Matricaria is a genus of flowering plants in the sunflower family (Asteraceae). Some of the species have the common name of "mayweed," but this name also refers to plants not in this genus. Most are very common in the temperate regions of Europe, Asia, and America, as well as in northern and southern Africa, and some are naturalised in Australia. M. occidentalis is native to North America; other species have been introduced there.

Mayweed

Matricaria is a genus of flowering plants in the sunflower family (Asteraceae). Some of the species…

"1. Spiraea ulmaria; 4. section of the flower of a Spiraea." -Lindley, 1853

Meadowsweet

"1. Spiraea ulmaria; 4. section of the flower of a Spiraea." -Lindley, 1853

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.

Medinilla Sieboldiana is a flowering plant of the Melastomataceae family.

Siebold's Medinilla

Medinilla Sieboldiana is a flowering plant of the Melastomataceae family.

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…

An illustration of Melampyrum stem; "a, a flower; b, the fruit; c, a bract." -Century, 1889 Melampyrum is a genus of about 10-20 species of herbaceous flowering plants in the family Orobanchaceae, native to temperate regions of the Northern Hemisphere. They are hemiparasites on other plants, obtaining some mineral nutrients from the host plant, though they are able to survive on their own without parasitising other plants. Melampyrum species are used as food plants by the larvae of some Lepidoptera species including Mouse Moth.

Melampyrum

An illustration of Melampyrum stem; "a, a flower; b, the fruit; c, a bract." -Century, 1889 Melampyrum…

Melia azedarach floribunda is a variety with more flowers than melia azedarach. The flowers are also smaller. Pictured is a flowering branch, a detached flower, and the fruit.

Melia Azedarach Floribunda

Melia azedarach floribunda is a variety with more flowers than melia azedarach. The flowers are also…

The flowers of melia azedarach are fragrant and lilac colored. The flowers bloom in the summer.

Portion of Inflorescence of Melia Azedarach

The flowers of melia azedarach are fragrant and lilac colored. The flowers bloom in the summer.

The common name of melianthus is honey flower. The flowers are green at the base. The petals and sepals are orange yellow within and a large red spot marked on the outside.

Flowers and Leaf of Melianthus Comosus

The common name of melianthus is honey flower. The flowers are green at the base. The petals and sepals…

The common name of melianthus is honey flower. The major variety has brownish flowers growing in long spikes. The flowers bloom in summer.

Melianthus Major

The common name of melianthus is honey flower. The major variety has brownish flowers growing in long…

The flowers of mentzelia bartonioides have sulfur yellow petals and are paler beneath. The flowers grow alone at the ends of the stems. The flowers bloom in the summer.

Portion of Plant of Mentzelia Bartonioides

The flowers of mentzelia bartonioides have sulfur yellow petals and are paler beneath. The flowers grow…

The flowers of mentzelia ornata are large and white. The flowers expand after sunset. The plant grows two feet tall.

Upper Portion of Plant of Mentzelia Ornata

The flowers of mentzelia ornata are large and white. The flowers expand after sunset. The plant grows…

The flowers of mertensia dahurica are drooping and are bright azure blue. The flowers bloom in June. The stems are erect and branching.

Habit and Detached Flower of Mertensia Dahurica

The flowers of mertensia dahurica are drooping and are bright azure blue. The flowers bloom in June.…

The common name of mertensia virginica is Virginian cowslip. The flowers are purple blue and tubular. The flowers bloom in spring and summer.

Inflorescence and Detached Flower of Mertensia Virginica

The common name of mertensia virginica is Virginian cowslip. The flowers are purple blue and tubular.…

The flowers of mesembryanthemum acinaciforme are large and reddish. The flowers grow alone at the ends of the stems. The flowers bloom in August.

Branch and Detached Leaf of Mesembryanthemum Acinaciforme

The flowers of mesembryanthemum acinaciforme are large and reddish. The flowers grow alone at the ends…

Pictured are the habit, detached flower, and a portion of the branch with leaves of mesembryanthemum coccineum. The flowers are scarlet and grow alone on the stems. The flowers bloom from May to September.

Mesembryanthemum Coccineum

Pictured are the habit, detached flower, and a portion of the branch with leaves of mesembryanthemum…

The petals of the mesembryanthemum criniflorum flower are purple and paler on the outside. The stamens are very short. The flowers bloom in July.

Mesembryanthemum Criniflorum

The petals of the mesembryanthemum criniflorum flower are purple and paler on the outside. The stamens…

The flowers of mesembryanthemum deltoides are rose colored. The flowers are also sweet scented.

Flowering Branch of Mesembryanthemum Deltoides

The flowers of mesembryanthemum deltoides are rose colored. The flowers are also sweet scented.

The flowers of mesembryanthemum densum are pink. The flowers bloom in June. The plant grows three inches tall.

Mesembryanthemum Densum

The flowers of mesembryanthemum densum are pink. The flowers bloom in June. The plant grows three inches…

Mesembryanthemum linguaeforme flowers are yellow. The flowers grow alone on very short stems. The flowers bloom March to November.

Mesembryanthemum Linguaeforme

Mesembryanthemum linguaeforme flowers are yellow. The flowers grow alone on very short stems. The flowers…

Mesembryanthemum minutum flowers have pale yellow petals. The flowers are long and tubular. The flowers bloom September to November.

Mesembryanthemum Minutum

Mesembryanthemum minutum flowers have pale yellow petals. The flowers are long and tubular. The flowers…

Mesembryanthemum mutabile flowers are reddish and grow alone on short stems. The flowers bloom July to September.

Leafy Shoot and Inflorescence of Mesembryanthemum Mutabile

Mesembryanthemum mutabile flowers are reddish and grow alone on short stems. The flowers bloom July…

Mesembryanthemum pomeridianum flowers are large and yellow. The flowers expand after midday. The flowers bloom in July.

Habit and Detached Flower of Mesembryanthemum Pomeridianum

Mesembryanthemum pomeridianum flowers are large and yellow. The flowers expand after midday. The flowers…

Mesembryanthemum pugioniforme are large and pale yellow. The flowers bloom July to September. The shrub grows one foot tall.

Flowering Branch and Immature Capsule of Mesembryanthemum Pugioniforme

Mesembryanthemum pugioniforme are large and pale yellow. The flowers bloom July to September. The shrub…

Mesembryanthemum testiculatum flowers are yellow and nearly one inch in diameter. The plant is stemless and shrubby.

Mesembryanthemum Testiculatum

Mesembryanthemum testiculatum flowers are yellow and nearly one inch in diameter. The plant is stemless…

Mesembryanthemum tigrinum flowers are yellow and expand after noon. The flowers bloom September to November. The plant is stemless.

Mesembryanthemum Tigrinum

Mesembryanthemum tigrinum flowers are yellow and expand after noon. The flowers bloom September to November.…

Mesembryanthemum tricolorum flowers range from flesh colored to violet. The flowers expand in the heat of the sun. Pictured along with the habit is an unopened and a fully expanded flower.

Mesembryanthemum Tricolorum

Mesembryanthemum tricolorum flowers range from flesh colored to violet. The flowers expand in the heat…

The common name of meum athamanticum is spignel. The flowers are white and grow in large umbels. The fruit is narrow with the primary ridges winged.

Habit and Detached Fruit of Meum Athamanticum

The common name of meum athamanticum is spignel. The flowers are white and grow in large umbels. The…

"Daphne Mezereum. 1. a flower cut open; 2. a vertical section of an ovary; 3. the fruit." -Lindley, 1853

Mezereon

"Daphne Mezereum. 1. a flower cut open; 2. a vertical section of an ovary; 3. the fruit." -Lindley,…

"Micromelum monophyllum. 1. a flower; 2. the pistil when the calyx is rolled back; 3. a cross section of an ovary; 4. longitudinal section of a seed." -Lindley, 1853

Micromelum

"Micromelum monophyllum. 1. a flower; 2. the pistil when the calyx is rolled back; 3. a cross section…

"Miersia chilensis; 2. its flower; 3. the interior coloured petaloid bracts; 4. a perpendicular section of the perianth." -Lindley, 1853

Miersia chilensis

"Miersia chilensis; 2. its flower; 3. the interior coloured petaloid bracts; 4. a perpendicular section…

"Reseda mediterranea. 1. a flower seen from above, much magnified; 2. a section of the same, showing the great disk on one side of the ovary, and within which the stamens arise; 3. a cross section of the ovary; 4. a seed; 5. a section of it." -Lindley, 1853

Mignonette

"Reseda mediterranea. 1. a flower seen from above, much magnified; 2. a section of the same, showing…

Pollen, a pair of pollinia of a Milkweed, Asclepias, attached by stalks to a gland.

Polllinia of a Milkweed

Pollen, a pair of pollinia of a Milkweed, Asclepias, attached by stalks to a gland.

"Polygala erioptera. 1. an entire flower seen from the side; 2. the same cut open to exhibit the stamens; 3. the pistil; 4. a section of a ripe seed; in the middle is the embryo; at the apex, which represents the real base, is seen a caruncula." -Lindley, 1853

Milkwort

"Polygala erioptera. 1. an entire flower seen from the side; 2. the same cut open to exhibit the stamens;…

Military orchis is the common name of orchis militaris. The flowers are numerous and grow in a dense, oblong spike. The flowers bloom in spring.

Flower of Military Orchis

Military orchis is the common name of orchis militaris. The flowers are numerous and grow in a dense,…

Miltonia phalaenopsis flowers are pure white and about two inches across. A large portion of the center of lip is a rich purplish crimson with a yellow base. The flowers bloom in May.

Miltonia Phalaenopsis

Miltonia phalaenopsis flowers are pure white and about two inches across. A large portion of the center…

Miltonia spectabilis flowers have pure white sepals and petals tinged with rose at the base. The lip is rosy violet tinged with white. The flowers are large, three to four inches across. The flowers bloom in autumn.

Flower of Miltonia Spectabilis

Miltonia spectabilis flowers have pure white sepals and petals tinged with rose at the base. The lip…

The sepals of miltonia vexillaria are a pale rose color while the petals have a deep rose color. The lip is white suffused with deep rose and yellow. Three or four flowers grow together.

Miltonia Vexillaria

The sepals of miltonia vexillaria are a pale rose color while the petals have a deep rose color. The…

The flowers of miltonia warscewiczii are a bright cinnamon color tipped with yellow. The lip is a soft, violet purple, white in front and tinged with brownish yellow.

Flowers of Miltonia Warscewiczii

The flowers of miltonia warscewiczii are a bright cinnamon color tipped with yellow. The lip is a soft,…

The common name of mimosa pudica is humble plant. The flowers are red and bloom in summer. The stem is very prickly. The plant grows one foot tall.

Flowering Branch, Single Flower Head, and Leaf of Mimosa Pudica

The common name of mimosa pudica is humble plant. The flowers are red and bloom in summer. The stem…

The flowers are mimulus cardinalis are large and red. The flowers bloom June to August. The plant grows between one and three feet tall.

Upper Portion of Plant and Detached Flower of Mimulus Cardinalis

The flowers are mimulus cardinalis are large and red. The flowers bloom June to August. The plant grows…

Mimulus luteus neuberti is a strain with double flowers.

Flower of Mimulus Luteus Neuberti

Mimulus luteus neuberti is a strain with double flowers.

Mimulus luteus nobilis is a dwarf, flower bearing garden strain with "hose-in-hose" flowers varying in color.

Habit and Detached Flower of Mimulus Luteus Nobilis

Mimulus luteus nobilis is a dwarf, flower bearing garden strain with "hose-in-hose" flowers varying…

An illustration of one pistillate flower of mistletoe. Mistletoe is the common name for a group of hemi-parasitic plants in the order Santalales that grow attached to and within the branches of a tree or shrub.

One Pistillate Flower of Mistletoe

An illustration of one pistillate flower of mistletoe. Mistletoe is the common name for a group of hemi-parasitic…

The flowers of mitrostigma axillare are white and very fragrant. The flowers bloom in spring.

Flowering Branch and Detached Single Flower of Mitrostigma Axillare

The flowers of mitrostigma axillare are white and very fragrant. The flowers bloom in spring.

"Notelaea ovata. 1. flower; 2. fruit." -Lindley, 1853

Mock Olive

"Notelaea ovata. 1. flower; 2. fruit." -Lindley, 1853

A blue flower with calyx longer than the tube of the corolla. They typically bloom in April and May, and are found in Europe and Siberia.

Pulmonaria Mollis

A blue flower with calyx longer than the tube of the corolla. They typically bloom in April and May,…