Correa alba is a compact, much branched shrub that grows three to four feet tall. The flowers are white or pink.

Correa Alba

Correa alba is a compact, much branched shrub that grows three to four feet tall. The flowers are white…

Corydalis nobilis is an erect perennial. The flowers are white, tipped with yellow and a dark purple spot. The flowers bloom in spring.

Corydalis Nobilis

Corydalis nobilis is an erect perennial. The flowers are white, tipped with yellow and a dark purple…

Cosmos bipinnatus is an annual that grows seven to ten feet tall. The flowers are white, pink, or crimson. It is native to Mexico.

Cosmos Bipinnatus

Cosmos bipinnatus is an annual that grows seven to ten feet tall. The flowers are white, pink, or crimson.…

Cotyledon secunda is stemless and the leaves grow in a rosette. The flowers grow in a one sided, recurved spike. The flowers are reddish yellow and bloom June to August.

Cotyledon Secunda

Cotyledon secunda is stemless and the leaves grow in a rosette. The flowers grow in a one sided, recurved…

Crassula quadrifida is a perennial with oblong leaves and white flowers tinged with red.

Crassula Quadrifida

Crassula quadrifida is a perennial with oblong leaves and white flowers tinged with red.

The common names of crataegus are hawthorn and crategus. The thorns pictured are modified branches. Some of the short branches bear leaves.

Thorns of Crataegus

The common names of crataegus are hawthorn and crategus. The thorns pictured are modified branches.…

Crataegus arnoldiana is a tree variety of hawthorn. It grows twenty feet tall with stout, ascending branches. The leaves are broadly oval. The fruit is bright crimson and appears in the middle of august.

Crataegus Arnoldiana

Crataegus arnoldiana is a tree variety of hawthorn. It grows twenty feet tall with stout, ascending…

Crinum powellii has about eight flowers. The flowers are a dark rose color. There are about twenty spreading leaves.

Crinum Powellii

Crinum powellii has about eight flowers. The flowers are a dark rose color. There are about twenty spreading…

Crocus vernus is the most common garden crocus. The flowers are lilac, white, or purple striped with lemon-yellow anthers and orange-yellow style branches. It is native to south Europe.

Crocus Vernus

Crocus vernus is the most common garden crocus. The flowers are lilac, white, or purple striped with…

Crocus imperati is native to Italy. The flower are lilac or white with yellow anthers.

Crocus Imperati

Crocus imperati is native to Italy. The flower are lilac or white with yellow anthers.

The common name of crocus sativus is saffron crocus. The leaves are as tall as the flower. It is the most common fall blooming species.

Crocus Sativus

The common name of crocus sativus is saffron crocus. The leaves are as tall as the flower. It is the…

Cryptanthus zonatus has oblong, tapering leaves. The leaves are marked with bands of white. The flowers are white.

Cryptanthus Zonatus

Cryptanthus zonatus has oblong, tapering leaves. The leaves are marked with bands of white. The flowers…

The common names of cucumis anguria are bur cucumber, west Indian gherkin, and gooseberry gourd. The stems are slender and the leaves are deeply cut. The fruit is cucumber like, but more spiny.

Cucumis Anguria

The common names of cucumis anguria are bur cucumber, west Indian gherkin, and gooseberry gourd. The…

Pumpkin is the common name of cucurbita pepo.  The leaves are dull, dark green and three to five lobed. It is probably native to the tropical regions of the Americas.

Pumpkin Plant

Pumpkin is the common name of cucurbita pepo. The leaves are dull, dark green and three to five lobed.…

Calabazilla is the common name of curcurbita foetidissima. The leaves are large, heart shaped, and triangular. The fruit is not edible.

Curcurbita Foetidissima

Calabazilla is the common name of curcurbita foetidissima. The leaves are large, heart shaped, and triangular.…

Cuphea hyssopifolia has a shrubby stem and numerous branches. The flowers are scarcely longer than the leaves. The plant is native to Mexico.

Cuphea Hyssopifolia

Cuphea hyssopifolia has a shrubby stem and numerous branches. The flowers are scarcely longer than the…

The common name of cuphea llavea is the red-white-and-blue flower. The stems are numerous. The plant is native to Guatemala.

Cuphea Llavea

The common name of cuphea llavea is the red-white-and-blue flower. The stems are numerous. The plant…

The common name of curcuma petiolata is queen lily. The leaves are six to eight inches long. The flowers are pale yellow. The plant is native to India.

Curcuma Petiolata

The common name of curcuma petiolata is queen lily. The leaves are six to eight inches long. The flowers…

Illustrated is the leaf of sago palm, or cycas revoluta. The leaves are long and recurved. The leaves grow two to seven feet long.

Sago Palm leaf

Illustrated is the leaf of sago palm, or cycas revoluta. The leaves are long and recurved. The leaves…

The flowers of cypripedium pubescens bloom in May and June. The leaves are oval. The petals are usually twisted.

Cypripedium Pubescens

The flowers of cypripedium pubescens bloom in May and June. The leaves are oval. The petals are usually…

Cystopteris fragilis has clustered, gray green leaves. This species of fern is widely distributed over the world at all altitudes.

Cystopteris Fragilis

Cystopteris fragilis has clustered, gray green leaves. This species of fern is widely distributed over…

The leaves of dalibarda repens are heart shaped and wavy toothed. The flowers are white with one or two on each stem.

Dalibarda Repens

The leaves of dalibarda repens are heart shaped and wavy toothed. The flowers are white with one or…

Davallia bullata has a creeping rootstock clothed with light, hair like scales. The leaves are scattered and six to ten inches long.

Davallia Bullata

Davallia bullata has a creeping rootstock clothed with light, hair like scales. The leaves are scattered…

Delphinium ajacis grows about eighteen inches tall. The flowers are showy and blue or violet. The flowers also vary to white.

Delphinium Ajacis

Delphinium ajacis grows about eighteen inches tall. The flowers are showy and blue or violet. The flowers…

Dendrobium dearei has white flowers that are about two inches across. The plant is native to the Philippines.

Dendrobium Dearei

Dendrobium dearei has white flowers that are about two inches across. The plant is native to the Philippines.

Dendrobium superbiens is native to Australia. The flowers are two inches across and crimson-purple. The petals are often bordered with white.

Dendrobium Superbiens

Dendrobium superbiens is native to Australia. The flowers are two inches across and crimson-purple.…

Illustrated is the tip of a leaf of dennstaedtia punctilobula. The leaves are one to two and a half feet long. The leaves are light green.

Dennstaedtia Punctiolbula

Illustrated is the tip of a leaf of dennstaedtia punctilobula. The leaves are one to two and a half…

The common name of dentaria diphylla is pepper root. The plant grows eight to sixteen inches tall. The flowers are white inside and pale purple or pink inside.

Dentaria Diphylla

The common name of dentaria diphylla is pepper root. The plant grows eight to sixteen inches tall. The…

Deutzia gracilis grows three feet tall and has slender, arching branches. The flowers are pure white. The plant is native to Japan.

Deutzia Gracilis

Deutzia gracilis grows three feet tall and has slender, arching branches. The flowers are pure white.…

The deutzia purpurascens shrub grows three feet tall with slender, arching branches. The flowers have spreading petals and are white and purple on the outside.

Deutzia Purpurascens

The deutzia purpurascens shrub grows three feet tall with slender, arching branches. The flowers have…

Deutzia lemoinei grows three feet tall. The flowers are pure white. The leaves have finely serrated edges.

Deutzia Lemoinei

Deutzia lemoinei grows three feet tall. The flowers are pure white. The leaves have finely serrated…

Sweet William is the common name of dianthus barbatus. The stems grows ten to twenty inches tall. The flowers grow in rounded, dense clusters. The flowers are red, rose, purple, or white.

Sweet William

Sweet William is the common name of dianthus barbatus. The stems grows ten to twenty inches tall. The…

Illustrated is the leaf of squirrel corn, the common name of dicentra canadensis. The leaves are finely cut with linear and abruptly pointed segments.

Squirrel Corn Leaf

Illustrated is the leaf of squirrel corn, the common name of dicentra canadensis. The leaves are finely…

Dutchman's breeches is the common name of dicentra cucullaria. The flowers are white tipped with creamy yellow. The plant is found from Nova Scotia to Georgia and also along the Columbia river.

Dutchman's Breeches

Dutchman's breeches is the common name of dicentra cucullaria. The flowers are white tipped with creamy…

Didymochlaena lunulata is native from Cuba to Brazil. The leaves are clustered from an erect, rigid stem. The leaves are three to six feet long.

Didymochlaena Lunulata

Didymochlaena lunulata is native from Cuba to Brazil. The leaves are clustered from an erect, rigid…

Dieffenbachia picta bausei has a blade that is nearly or completely yellowish green. It also has obscurely green spotted margins and scattered white spots.

Dieffenbachia Picta Bausei

Dieffenbachia picta bausei has a blade that is nearly or completely yellowish green. It also has obscurely…

Venus Fly Trap is the common name of dionaea muscipula. The plant is insectivorous, meaning it eats insect. The flowers of the plant are white.

Venus Fly Trap

Venus Fly Trap is the common name of dionaea muscipula. The plant is insectivorous, meaning it eats…

Illustrated is the foliage and a small tuber of dioscorea alata. The leaves are oblong and heart shaped. The tubers are edible and can grow six to eight feet long.

Dioscorea Alata

Illustrated is the foliage and a small tuber of dioscorea alata. The leaves are oblong and heart shaped.…

Diospyros lotus is a variety of persimmon. The leaves are oblong and grow three to five inches long. The flowers are reddish white. The fruit is yellow but black when fully ripe.

Diospyros Lotus

Diospyros lotus is a variety of persimmon. The leaves are oblong and grow three to five inches long.…

A floral divider with birds and large leaves.

Floral Divider

A floral divider with birds and large leaves.

Illustrated is the early blight of a potato plant. It is a type of lesion causing more or less sudden death of the leaves, stems, shoots, or blossoms.

Early Blight of Potato

Illustrated is the early blight of a potato plant. It is a type of lesion causing more or less sudden…

Illustrated is a blight of grapes due to some constitutional disorder. The leaves die first at the edges.

Blight of Grapes

Illustrated is a blight of grapes due to some constitutional disorder. The leaves die first at the edges.

Illustrated is a leaf of spinage dock. The crisp leaves appear in early April.

Spinage Dock

Illustrated is a leaf of spinage dock. The crisp leaves appear in early April.

The dolichos leaves are broadly egg shaped. They are rounded below and pointed at the top. The leaves are often crinkly.

Dolichos Leaves

The dolichos leaves are broadly egg shaped. They are rounded below and pointed at the top. The leaves…

Dracaena fragrans lindenii has recurved leaves. The leaves are transversed with creamy white bands.

Dracaena Fragrans Lindenii

Dracaena fragrans lindenii has recurved leaves. The leaves are transversed with creamy white bands.

Dracunculus vulgaris has a sheath of livid, spotted leaves. The flower is purple.

Dracunculus Vulgaris

Dracunculus vulgaris has a sheath of livid, spotted leaves. The flower is purple.

Drosera rotundifolia is a carnivorous plant. Each stem has five to twelve flowers. The flowers are white and expand in the sunshine.

Drosera Rotundifolia

Drosera rotundifolia is a carnivorous plant. Each stem has five to twelve flowers. The flowers are white…

Dryopteris marginalis is native from Canada southward. It is a very common fern. The leaves are six inches to two feet long.

Dryopteris Marginalis

Dryopteris marginalis is native from Canada southward. It is a very common fern. The leaves are six…

The leaves of dyckia rariflora have small spines on the margin. The plant is native to Brazil.

Dyckia Rariflora

The leaves of dyckia rariflora have small spines on the margin. The plant is native to Brazil.

Echinocereus chloranthus is native to Texas and New Mexico. The flowers are white and green.

Echinocereus Chloranthus

Echinocereus chloranthus is native to Texas and New Mexico. The flowers are white and green.

Echinopsis gemmata is native to south Brazil. The flowers are clear white with a pale greenish midline in the petals. The cactus grows one foot tall.

Echinopsis Gemmata

Echinopsis gemmata is native to south Brazil. The flowers are clear white with a pale greenish midline…

Long white eggplant is a common garden variety.

Long White Eggplant

Long white eggplant is a common garden variety.

The common name of elaeagnus multiflora is gumi. It grows six feet tall with reddish brown branchlets. The flowers are yellowish white and fragrant. It is native to China and Japan.

Elaeagnus Multiflora

The common name of elaeagnus multiflora is gumi. It grows six feet tall with reddish brown branchlets.…

Elaphoglossum villosum is native to Mexico and the west Indies. The sterile blades are six to nine inches long. The fertile leaves have abundant slender, dark brown scales.

Elaphoglossum Villosum

Elaphoglossum villosum is native to Mexico and the west Indies. The sterile blades are six to nine inches…

The common name of elaphoglossum crinitum is elephant ear fern. The blades are ten to eighteen inches long and four to eight inches wide. The fertile leaves are smaller on shorter stalks.

Elaphoglossum Crinitum

The common name of elaphoglossum crinitum is elephant ear fern. The blades are ten to eighteen inches…

Encephalartos cycadifolius has a nearly round trunk. The leaves are opposite and alternate.

Encephalartos Cycadifolius

Encephalartos cycadifolius has a nearly round trunk. The leaves are opposite and alternate.

Epidendrum ciliare has yellowish green flowers with a white lip. It is native to tropical America.

Epidendrum Ciliare

Epidendrum ciliare has yellowish green flowers with a white lip. It is native to tropical America.

Epimedium macranthum is native to Japan. The flowers are violet with white spurs.

Epimedium Macranthum

Epimedium macranthum is native to Japan. The flowers are violet with white spurs.

Illustrated is one of many hybrid epiphyllums. The flowers are usually white or yellowish.

Epiphyllum

Illustrated is one of many hybrid epiphyllums. The flowers are usually white or yellowish.

Erica hyemalis is a popular Christmas flower in London. The flowers are rosy pink tipped with white.

Erica Hyemalis

Erica hyemalis is a popular Christmas flower in London. The flowers are rosy pink tipped with white.