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Nictotiana wigandioides is a variety of tobacco. This variety is a greenhouse shrub. The flowers are yellowish white.

Nicotiana Wigandioides

Nictotiana wigandioides is a variety of tobacco. This variety is a greenhouse shrub. The flowers are…

Nigella has many common names including devil-in-the-bush, fennel flower, and love-in-a-mist. The damascena variety has white or blue flowers with bright green leaves. Flore-pleno is the double flowered variety.

Habit and Detached Flowering Branchlet of Nigella Damascena Flore-Pleno

Nigella has many common names including devil-in-the-bush, fennel flower, and love-in-a-mist. The damascena…

The fronds of nothochlaena trichomanoides are six to twelve inches long and about to one and a half inches broad. The lower surface is clothed with white powder and fine, woolly hairs.

Frond of Nothochlaena Trichomanoides

The fronds of nothochlaena trichomanoides are six to twelve inches long and about to one and a half…

Nothoscordum fragrans flowers are white with a bar of very pale lilac on the outer side of each division. The flowers are very fragrant.

Habit and Detached Single Flower of Nothoscordum Fragrans

Nothoscordum fragrans flowers are white with a bar of very pale lilac on the outer side of each division.…

Nut weevil is the common name of balaninus nucum. The weevil is one third of an inch long with an egg shaped body. The body is brown or black and covered with gray, yellowish gray, or white gray hairs.

Nut Weevil and Grub

Nut weevil is the common name of balaninus nucum. The weevil is one third of an inch long with an egg…

Common white water lily is the common name of nymphaea alba. The flowers are white and have no scent. The flowers are four to six inches across and float on the surface of the water.

Common White Water Lily

Common white water lily is the common name of nymphaea alba. The flowers are white and have no scent.…

Nymphaea lotus is a synonym of nymphaea thermalis. The common name is Hungarian lotus. The flowers are pure white and bloom during the summer.

Abnormal Inflorescence of Nymphaea Lotus

Nymphaea lotus is a synonym of nymphaea thermalis. The common name is Hungarian lotus. The flowers are…

Sweet or Common Basil is the common name of ocimum basilicum. The flowers are white and bloom in August. The herb grow one foot tall.

Sweet Basil

Sweet or Common Basil is the common name of ocimum basilicum. The flowers are white and bloom in August.…

Odontoglossum crispum flowers have pure white sepals and petals and a yellow lip. The lip is spotted towards the front with blotches of reddish brown.

Odontoglossum Crispum

Odontoglossum crispum flowers have pure white sepals and petals and a yellow lip. The lip is spotted…

Odontoglossum rossii flowers are one to two inches across. The petals are pure white with a few spots at their base. The scapes have two to five flowers. The flowers bloom in winter.

Habit and Detached Single Flower of Odontoglossum Rossii

Odontoglossum rossii flowers are one to two inches across. The petals are pure white with a few spots…

The common name of oenthera is evening primrose. The acaulis variety has white flowers fading into red. The flowers bloom May to September. The plant grows six inches high.

Habit and Detached Leaf and Flower of Oenothera Acaulis

The common name of oenthera is evening primrose. The acaulis variety has white flowers fading into red.…

Pictured are the albicaulis and californica varieties of evening primrose. Albicaulis has white flowers while californica has flowers varying from white to pale pink.

Oenothera Albicaulis and Oenothera Californica

Pictured are the albicaulis and californica varieties of evening primrose. Albicaulis has white flowers…

Oenothera exima is a variety of evening primrose with white flowers that are four inches in diameter. The flowers bloom in July.

Oenothera Exima

Oenothera exima is a variety of evening primrose with white flowers that are four inches in diameter.…

Oenothera speciosa is a variety of evening primrose with white flowers that become reddish as they fade. The flowers bloom March to September.

Flowering Branch of Oenothera Speciosa

Oenothera speciosa is a variety of evening primrose with white flowers that become reddish as they fade.…

Olearia gunnia flowers are white and bloom in September. The branches are hoary. Pictured is a flowering branch, branchlet, and flower head of olearia gunnia.

Olearia Gunniana

Olearia gunnia flowers are white and bloom in September. The branches are hoary. Pictured is a flowering…

Omphalodes verna flowers are blue with a white throat. The flowers bloom March to May. The plant grows six inches tall.

Omphalodes Verna

Omphalodes verna flowers are blue with a white throat. The flowers bloom March to May. The plant grows…

Deep blood-red onions have bulbs of medium size. The inner part is pure white. The outer coats vary in color from dull to deep, glossy red. This onion has a very strong flavor.

Deep Blood-Red Onions

Deep blood-red onions have bulbs of medium size. The inner part is pure white. The outer coats vary…

Early white Naples onions are an early form of the silver skinned section. The little bulbs are produced in early spring.

Early White Naples Onions

Early white Naples onions are an early form of the silver skinned section. The little bulbs are produced…

The Naples giant rocca onion has a roundish, large bulb. The flesh is thick and white.

Naples Giant Rocca Onion

The Naples giant rocca onion has a roundish, large bulb. The flesh is thick and white.

The queen onion is a small and very early variety of the silver-skinned section. The bulbs are very small but firm and solid. The skin is thin and silvery white.

Queen Onions

The queen onion is a small and very early variety of the silver-skinned section. The bulbs are very…

The white Spanish onion has large bulbs that are somewhat flattened. The base is broad and sometimes a little hollow and uneven. The skin is a pale straw color.

White Spanish Onions

The white Spanish onion has large bulbs that are somewhat flattened. The base is broad and sometimes…

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…

The flowers of oreopanax peltatum are greenish white. The leaves are long stalked and five to seven nerved.

Oreopanax Peltatum

The flowers of oreopanax peltatum are greenish white. The leaves are long stalked and five to seven…

The common name of ornithogalum is Star of Bethlehem. The nutans variety has flowers that are white on the upper side and green on the back. The scape is eight to twelve inches long.

Ornithogalum Nutans

The common name of ornithogalum is Star of Bethlehem. The nutans variety has flowers that are white…

Star of Bethlehem is the common name of ornithogalum. The pyramidale variety has pure white flowers marked with a green stripe on the back. The flowers are arranged in clone shaped clusters. The flower clusters are six to eight inches long.

Habit and Detached Single Flower of Ornithogalum Pyramidale

Star of Bethlehem is the common name of ornithogalum. The pyramidale variety has pure white flowers…

The common name of ornithogalum umbellatum is Star of Bethlehem. The flowers are satiny white on the inside and green striped with white on the outside. The flowers bloom in May.

Ornithogalum Umbellatum

The common name of ornithogalum umbellatum is Star of Bethlehem. The flowers are satiny white on the…

Osmanthus fragrans flowers are yellowish or almost white. The flowers bloom June to August. Pictured is the habit and a detached tip of the flowering branch.

Osmanthus Fragrans

Osmanthus fragrans flowers are yellowish or almost white. The flowers bloom June to August. Pictured…

Osyris alba flowers are white and bloom in July. The fruit is red and pea sized. The leaves alternate along the stem and are one inch long. The shrub grows between three and four feet tall.

Osyris Alba

Osyris alba flowers are white and bloom in July. The fruit is red and pea sized. The leaves alternate…

Paeonia albiflora flowers usually have white or pink petals. The flowers are one and a half to two inches broad. The stem is two to three feet long.

Flowering Branch of Paeonia Albiflora

Paeonia albiflora flowers usually have white or pink petals. The flowers are one and a half to two inches…

The common name of paeonia is peony. The wittmanniana variety yellowish white flowers. The flowers bloom in April. Each stem has one flower head.

Flowering Branch of Paeonia Wittmanniana

The common name of paeonia is peony. The wittmanniana variety yellowish white flowers. The flowers bloom…

Paeonia albiflora flore-pleno blanc is a pure white, double herbaceous variety of peony. Pictured is a flowering branch and detached flower.

Paeonia Albiflora Flore-Pleno Blanc

Paeonia albiflora flore-pleno blanc is a pure white, double herbaceous variety of peony. Pictured is…

The common name of pandanus is screw pine. The candelabrum variegatus variety has narrow leaves that are three to six feet in length. The leaves have white spines on the edges.

Pandanus Candelabrum Variegatus

The common name of pandanus is screw pine. The candelabrum variegatus variety has narrow leaves that…

The common name of passiflora is passion flower. The caerulea variety has flowers that are purple at the bottom, white in the middle, and blue at the ends. Pictured is a portion of a flower bearing branch.

Passiflora Caerulea

The common name of passiflora is passion flower. The caerulea variety has flowers that are purple at…

The common names of pavia are buckeye and smooth-fruited horse chestnut. The californica variety has white or pale rose flowers. The flowers are very fragrant and cover the dense head of the tree. Pictured is the flowering branch, detached leaf, flower, and young fruit of pavia californica.

Pavia Californica

The common names of pavia are buckeye and smooth-fruited horse chestnut. The californica variety has…

Pelargonium inquinans flowers vary from intense scarlet, to rose colored, to white. The flowers bloom in July. The shrub grows two feet tall.

Flowering Branch of Pelargonium Inquinans

Pelargonium inquinans flowers vary from intense scarlet, to rose colored, to white. The flowers bloom…

The common name of pelargonium peltatum is ivy-leaved pelargonium. The flowers vary from white to red and vary in size between large and small. The plant grows two feet tall.

Pelargonium Peltatum

The common name of pelargonium peltatum is ivy-leaved pelargonium. The flowers vary from white to red…

The two upper petals of pelargonium tricolor flowers are very dark red and the three lower petals are white. Each stem is one to three flowered. The stem is shrubby, short, and branching.

Inflorescence and Leaf of Pelargonium Tricolor

The two upper petals of pelargonium tricolor flowers are very dark red and the three lower petals are…

The common name of pelargonium zonale is horseshoe geranium. The flowers vary from all shades of red to white. The plant grows two feet tall.

Flowering Branch of Pelargonium Zonale

The common name of pelargonium zonale is horseshoe geranium. The flowers vary from all shades of red…

The common name of peperomia is pepper elder. The marmorata variety has erect flowers in a tail-like catkin. The leaves are rich, bright green variegated with white. The leaves are thick and fleshy.

Habit and Detached Inflorescence of Peperomia Marmorata

The common name of peperomia is pepper elder. The marmorata variety has erect flowers in a tail-like…

Pereski grandiflora is a synonym of pereski grandifolia. The common name of pereski is barbados gooseberry. Grandiflora has solitary, white flowers. The stem is very spiny, the larger spines being two inches long.

Branch of Pereski Grandiflora

Pereski grandiflora is a synonym of pereski grandifolia. The common name of pereski is barbados gooseberry.…

The leaves of pereskia poeppigii are cylindrical and green. The stem is low and upright. The spines are strong and white.

Pereskia Poeppigii

The leaves of pereskia poeppigii are cylindrical and green. The stem is low and upright. The spines…

The common names of peristeria elata are Dove or Holy Ghost flower. The flowers are white with small lilac specks. The flowers appear July to September. The plant grows four feet tall.

Peristeria Elata

The common names of peristeria elata are Dove or Holy Ghost flower. The flowers are white with small…

Petunia nyctaginiflora flowers grow on alone on small stems. The flowers are large and white. The flowers appear in August.

Flowering Branch of Petunia Nyctaginiflora

Petunia nyctaginiflora flowers grow on alone on small stems. The flowers are large and white. The flowers…

Phacelia viscida flowers are blue or purplish. The flowers appear in July. The stems are erect, about one foot high, and branched.

Habit and Detached Flowering Branchlet of Phacelia Viscida

Phacelia viscida flowers are blue or purplish. The flowers appear in July. The stems are erect, about…

Phaius grandifolius flowers are brown within and white on the outside. The flowers are three to four inches across. The flowers spikes are many flowered and two to four feet tall.

Phaius Grandifolius

Phaius grandifolius flowers are brown within and white on the outside. The flowers are three to four…

The common name of phalaenopsis is moth orchid. The amabilis variety has white flowers with yellow streaks. The flowers sometimes exceed five inches in diameter. The flower appears in autumn.

Phalaenopsis Amabilis

The common name of phalaenopsis is moth orchid. The amabilis variety has white flowers with yellow streaks.…

The common name of philadelphus coronarius is common mock orange or syringa. The flowers are white with a strong, orange-like scent. The flowers appear in May.

Flowering Branchlet of Philadelphus Coronarius

The common name of philadelphus coronarius is common mock orange or syringa. The flowers are white with…

Philadelphus gordonianus is a variety of mock orange. The flowers are white and scentless. The plant grows ten feet tall.

Flowering Branch of Philadelphus Gordonianus

Philadelphus gordonianus is a variety of mock orange. The flowers are white and scentless. The plant…

The flowers of philodendron selloum are deep green, bordered with white and white on the inside. The leaves are large, green, and long stalked.

Philodendron Selloum

The flowers of philodendron selloum are deep green, bordered with white and white on the inside. The…

The flowers of phlox drummondii are red, varying to rose, purple or white, with a darker eye. The flowers appear in August.

Inflorescence of Phlox Drummondii

The flowers of phlox drummondii are red, varying to rose, purple or white, with a darker eye. The flowers…

Phlox paniculata flowers are pink-purple, varying to white. The flowers bloom in August. The plant is erect, smooth, rough, or hairy.

Inflorescence of Phlox Paniculata

Phlox paniculata flowers are pink-purple, varying to white. The flowers bloom in August. The plant is…

Phlox subulata nivalis is a white variety of moss pink.

Flowering Branches of Phlox Subulata Nivalis

Phlox subulata nivalis is a white variety of moss pink.

The common names of photinia japonica are Japan Medlar, Japan Quince, and Loquat. The flowers are white and bloom in autumn. The fruit is the size of a small apple.

Fruiting Branchlet of Photinia Japonica

The common names of photinia japonica are Japan Medlar, Japan Quince, and Loquat. The flowers are white…

The flowers of phyllocactus anguliger are three to five inches in diameter. The petals are white and the sepals are orange or yellowish. The stems are deeply angled.

Phyllocactus Anguliger

The flowers of phyllocactus anguliger are three to five inches in diameter. The petals are white and…

The common name of physianthus albens is white bladder flower. The flower is white with a tinge of red. The flowers bloom in July.

Physianthus Albens

The common name of physianthus albens is white bladder flower. The flower is white with a tinge of red.…

The common name of phyteuma is horned rampion. The charmelii variety has blue flowers in spherical heads. The flowers bloom May to August. The plant grows between six and twelve inches tall.

Phyteuma Charmelii

The common name of phyteuma is horned rampion. The charmelii variety has blue flowers in spherical heads.…

The common name of phyteuma is horned rampion. The humile variety has blue flowers in globose heads. The flowers bloom in July. The plant grows three inches tall.

Habit and Detached Flower of Phyteuma Humile

The common name of phyteuma is horned rampion. The humile variety has blue flowers in globose heads.…

The common names of phytolacca decandra are Virginian poke weed, pigeon-berry and red-ink plant. The flowers are white. In the autumn dark purple berries appear that are filled with crimson juice. The roots are large, fleshy, and poisonous.

Racemose Inflorescence of Phytolacca Decandra

The common names of phytolacca decandra are Virginian poke weed, pigeon-berry and red-ink plant. The…

Pilocereus brunnowii is a type of cactus. The stem is erect and cylindrical. There are about thirteen prickles surronded by long white hairs.

Pilocereus Brunnowii

Pilocereus brunnowii is a type of cactus. The stem is erect and cylindrical. There are about thirteen…

The pilocereus dautwitzii cactus as a bright green, oblong stem. Tufts of small white spines spread out from the stem.

Pilocereus Dautwitzii

The pilocereus dautwitzii cactus as a bright green, oblong stem. Tufts of small white spines spread…