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…

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 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…

The common name of pimelea is rice flower. The ligustrina hypericina variety has white flowers in round heads. The plant grows between five and six feet tall.

Pimelea Ligustrina Hypericina

The common name of pimelea is rice flower. The ligustrina hypericina variety has white flowers in round…

Pine beauty moth is the common name of trachea piniperda. This moth is a heavy bodied insect with variegated wings of a reddish brown color. The wings are mottled with orange, yellow, white and sometimes green.

Pine Beauty Moth

Pine beauty moth is the common name of trachea piniperda. This moth is a heavy bodied insect with variegated…

The common name of abutilon is flowering maple. Abutilon is also sometimes called Chinese bellflower. The colors of the flowers are mostly yellow, white, and pink.

Flower of Abutilon

The common name of abutilon is flowering maple. Abutilon is also sometimes called Chinese bellflower.…

The common names of acer saccharinum are white or silver maple. The tree is large, about one hundred twenty feet tall. The leaves are deeply five lobed. The leaves are green above, silvery white beneath, and four to six inches long.

Acer Saccharinum

The common names of acer saccharinum are white or silver maple. The tree is large, about one hundred…

The flowers of <i>Acidanthera bicolor</i> are creamy white and blotched chocolate-brown within. The flowers are very fragrant.

Acidanthera Bicolor

The flowers of Acidanthera bicolor are creamy white and blotched chocolate-brown within. The flowers…

<I>Actinide argot</i> is a high climbing shrub. There are three or more white flowers. The fruit is greenish yellow, about one inch long, and sweet.

Actinidia Arguta

Actinide argot is a high climbing shrub. There are three or more white flowers. The fruit is greenish…

Common horse chestnut is the common name of <i>Aesculus hippocastanum</i>. The tree is large, between sixty and eighty feet tall. The flowers are white tinged with red.

Opening Foliage of Common Horse Chestnut

Common horse chestnut is the common name of Aesculus hippocastanum. The tree is large, between sixty…

The leaves of <i>Agave franzosinii</i> are lance shaped, roughish, and white. The leaves are also have a large, narrowly grooved spine and dark or gray prickles.

Agave Franzosinii

The leaves of Agave franzosinii are lance shaped, roughish, and white. The leaves are also have a large,…

<i>Aglaonema costatum</i> is very dwarf and compact. The leaves are thick, heart shaped, and three inches wide. The leaves are dark green with an ivory white midrib and scattered blotches of white.

Aglaonema Costatum

Aglaonema costatum is very dwarf and compact. The leaves are thick, heart shaped, and three inches wide.…

The leaves of <i>Allium neapolitanum</i> are long and narrow. The flowers are large, pure white, with colored stamens.

Allium Neapolitanum

The leaves of Allium neapolitanum are long and narrow. The flowers are large, pure white, with colored…

The common name of <i>Allium tricoccum</i> is common wild leek. The flowers are greenish white on a scape four to twelve inches high. This plant grows in clumps.

Allium Tricoccum

The common name of Allium tricoccum is common wild leek. The flowers are greenish white on a scape four…

The leaves of <i>Alocasia sanderiana</i> are long with deeply notched margins. The leaves are a deep, glossy green with a metallic reflection. The leaves also have prominent white margins and veins.

Alocasia Sanderiana

The leaves of Alocasia sanderiana are long with deeply notched margins. The leaves are a deep, glossy…

The leaves of <i>Aloe serrulata</i> are spirally arranged and spreading. The leaves have scattered, elongated white blotches and a white margin.

Aloe Serrulata

The leaves of Aloe serrulata are spirally arranged and spreading. The leaves have scattered, elongated…

<I>Alonso incisifolia</I> grows about two feet high. The flowers grow nearly two inches across, are irregular, and scarlet. There is also a white flowered variety.

Alonsoa Incisifolia

Alonso incisifolia grows about two feet high. The flowers grow nearly two inches across, are irregular,…

<I>Alpine Mutica</I> has very short stalked leaves. The outer segments of the flowers are white while the bright yellow lip is veined with crimson.

Alpinia Mutica

Alpine Mutica has very short stalked leaves. The outer segments of the flowers are white while the bright…

The common names of <I>Anagalis arvensis</I> are common pimpernel and poor man's weatherglass. The flowers are scarlet varying to white. The leaves are opposite or in threes.

Anagalis Arvensis

The common names of Anagalis arvensis are common pimpernel and poor man's weatherglass. The flowers…

Pictured is the single flowered form of <I>Anemone coronaria.</I> The common name is poppy-flowered anemone. The flowers have many mixtures of colors from red, blue, white, and more.

Anemone Coronaria

Pictured is the single flowered form of Anemone coronaria. The common name is poppy-flowered anemone.…

The common name of <I>Anemone nemorosa</i> is wood anemone. The flowers are one inch across and are white or purplish. The stem is simple, nearly smooth, and three to eight inches tall.

Anemone Nemorosa

The common name of Anemone nemorosa is wood anemone. The flowers are one inch across and are white or…

The stems of <I>Angraecum superbum</I> are four feet or more tall. The flowers are green and spreading with a white lip. The leaves are up to two feet long.

Angraecum Superbum

The stems of Angraecum superbum are four feet or more tall. The flowers are green and spreading with…

The common names of <I>Annona muricata</i> are soursop, guanabana, corosol, coracao de rainha, graviola, suirsaak, and zuursaak. The tree is a small evergreen and is the size of a peach tree. The fruit is very large and fleshy, sometimes weighing up to five pounds. The fruit is oval or heart shaped. The pulp is white and juicy with a slight mango like flavor.

Annona Muricata

The common names of Annona muricata are soursop, guanabana, corosol, coracao de rainha, graviola, suirsaak,…

Some of the common names of <I>Annona squamosa</i> are sugar apple, sweet sop, anon, and atta. The fruit is about the size of an orange. The pulp is yellowish white, creamy or custard like, very sweet and pleasantly flavored.

Annona Squamosa

Some of the common names of Annona squamosa are sugar apple, sweet sop, anon, and atta. The fruit is…

The leaf blades of </I>Anthurium andraeanum</I> are drooping. The flower spike is three to four inches long and yellowish with a white band.

Anthurium Andraeanum

The leaf blades of Anthurium andraeanum are drooping. The flower spike is three to four inches long…

The albus variety of <I>Antigonon Leptopus</I> has flowers that are nearly or quite white. Pictured is a plant grown under glass.

Albus Variety of Antigonon Leptopus

The albus variety of Antigonon Leptopus has flowers that are nearly or quite white. Pictured is a plant…

The common name of <I>Antirrhinum orontium</I> is small snapdragon. The flowers are small and purple or white. The leaves are linear.

Antirrhinum Orontium

The common name of Antirrhinum orontium is small snapdragon. The flowers are small and purple or white.…

The common name of <I>Antirrhinum majus</I> is common or large snapdragon. The flowers are large and come in many colors ranging from red to purple to white. Pictured is a young spike of a dwarf form.

Antirrhinum Majus

The common name of Antirrhinum majus is common or large snapdragon. The flowers are large and come in…

<I>Aphyllon uniflorum</I> has white or violet flowers. Each stem has one flower and is leafless. The plant is known as cancer-root.

Aphyllon Uniflorum

Aphyllon uniflorum has white or violet flowers. Each stem has one flower and is leafless. The plant…

<I>Apicra pentagona</I> has an erect stem that is six to twelve inches tall. The flowers are a greenish color. The leaves are somewhat triangular and are white dotted.

Apicra Pentagona

Apicra pentagona has an erect stem that is six to twelve inches tall. The flowers are a greenish color.…

The flowers of the apricot are pink-white. The flowers grow singly and precede the leaves.

Flowers of the Apricot

The flowers of the apricot are pink-white. The flowers grow singly and precede the leaves.

The stem of <I>Aquilegia alpina</I> is nearly one foot tall. The plant has two to five flowers. The flowers are blue, rarely pale or white.

Aquilegia Alpina

The stem of Aquilegia alpina is nearly one foot tall. The plant has two to five flowers. The flowers…

<I>Aquilegia glandulosa</I> is one to three flowered. The flowers are large and nodding. The flowers are lilac-blue topped with creamy white.

Aquilegia Glandulosa

Aquilegia glandulosa is one to three flowered. The flowers are large and nodding. The flowers are lilac-blue…

Pictured is a commanding white oak on a bank margin.

White Oak

Pictured is a commanding white oak on a bank margin.

White oak is an ideal shade tree.

White Oak

White oak is an ideal shade tree.