The common name of centaurea moschata is sweet sultan. The stem is two feet tall and branching below. The flowers are white, yellow, or purple and fragrant.

Centaurea Moschata

The common name of centaurea moschata is sweet sultan. The stem is two feet tall and branching below.…

The pitchered leaves of cephalotus follicularis are green, crimson or purple, and white. The pitchers grow up to an inch and a half long.

Cephalotus Follicularis

The pitchered leaves of cephalotus follicularis are green, crimson or purple, and white. The pitchers…

Ceratopteris pteridoides ferns can be found from Florida to South America. The sterile leaves are short stalked with irregularly lobed margins. The fertile leaves are taller and divided into whip-like segments.

Ceratopteris Pteridoides

Ceratopteris pteridoides ferns can be found from Florida to South America. The sterile leaves are short…

Ceratozamia mexicana has a thick, short trunk covered with the remains of fallen leaf stalks. The leaves are a rich, dark green

Ceratozamia Mexicana

Ceratozamia mexicana has a thick, short trunk covered with the remains of fallen leaf stalks. The leaves…

The cercis canadensis tree grows forty feet tall. The leaves are roundish and broadly oval shaped. The flowers are rosy pink. Four to eight flowers grow in a cluster.

Cercis Canadensis

The cercis canadensis tree grows forty feet tall. The leaves are roundish and broadly oval shaped. The…

The stalks and rachis of ceropteris calomelanos are nearly black. The leaves are one to three feet long.

Ceropteris Calomelanos

The stalks and rachis of ceropteris calomelanos are nearly black. The leaves are one to three feet long.

The common name of chamaedaphne is leather leaf. The calyculata variety is a bush with spreading or horizontal branches. The flowers of the plant are nodding and white.

Chamaedaphne Calyculata

The common name of chamaedaphne is leather leaf. The calyculata variety is a bush with spreading or…

Chamaerops is a low, fan leaved palm. The humilis variety grows one to one and a half feet tall. The leaves are ragged and fibrous.

Chamaerops Humilis

Chamaerops is a low, fan leaved palm. The humilis variety grows one to one and a half feet tall. The…

The leaves of cheilanthes lanosa grow in dense tufts. The stalks are two to four inches long and slightly hairy. This fern can be found from Connecticut to Kansas and Alabama.

Cheilanthes Lanosa

The leaves of cheilanthes lanosa grow in dense tufts. The stalks are two to four inches long and slightly…

Chelone glabra usually grows one to two feet tall. The flowers are white or rose tinged.

Chelone Glabra

Chelone glabra usually grows one to two feet tall. The flowers are white or rose tinged.

The common name of chimaphila is pipsissewa. The maculata variety has white flowers. There are two to five flowers per stem.

Chimaphila Maculata

The common name of chimaphila is pipsissewa. The maculata variety has white flowers. There are two to…

The common name of chionodoxa is glory-of-the-snow. The luciliae variety has bright blue flowers with white centers.

Chionodoxa Luciliae

The common name of chionodoxa is glory-of-the-snow. The luciliae variety has bright blue flowers with…

Chrysanthemum carinatum grows two to three feet tall. The stems are branched with fleshy leaves. The flowers are nearly two inches across with white rays and a yellow ring at the base.

Chrysanthemum Carinatum

Chrysanthemum carinatum grows two to three feet tall. The stems are branched with fleshy leaves. The…

The Paris or Marguerite daisy is the common name of chrysanthemum frutescens. It is a perennial that grows three feet tall. There are numerous flowers heads that always grow alone on each stem. The rays are typically white.

Paris Daisy

The Paris or Marguerite daisy is the common name of chrysanthemum frutescens. It is a perennial that…

Illustrated are the leaves of the frutescens and anethifolium varieties of chrysanthemum.

Chrysanthemum Leaves

Illustrated are the leaves of the frutescens and anethifolium varieties of chrysanthemum.

Chrysanthemum coccineum grows one to two feet tall. The flowers are white or red in shades of pink, carmine, rose, lilac, and crimson.

Chrysanthemum Coccineum

Chrysanthemum coccineum grows one to two feet tall. The flowers are white or red in shades of pink,…

Chrysanthemum maximum grows one foot tall. The leaves are narrowed at the base. It is native to the Pyrenees.

Chrysanthemum Maximum

Chrysanthemum maximum grows one foot tall. The leaves are narrowed at the base. It is native to the…

The common names of chrysanthemum leucanthemum are whiteweed and ox-eye daisy. The plant grows one to two feet tall. The flowers heads are showy and white.

Chrysanthemum Leucanthemum

The common names of chrysanthemum leucanthemum are whiteweed and ox-eye daisy. The plant grows one to…

The hairy type of chrysanthemum is often called ostrich plume and Japanese hairy. The flowers are white with long hairs.

Hairy Type of Chrysanthemum

The hairy type of chrysanthemum is often called ostrich plume and Japanese hairy. The flowers are white…

Chysis bractescens are three to five flowers that are about three inches across. The flowers are ivory-white with a yellow and red streaked lip.

Chysis Bractescens

Chysis bractescens are three to five flowers that are about three inches across. The flowers are ivory-white…

The common name of cimicifuga is bugbane. The racemosa variety grows three to eight feet tall. The flowers are white.

Cimicifuga Racemosa

The common name of cimicifuga is bugbane. The racemosa variety grows three to eight feet tall. The flowers…

Illustrated is a small plant of florists' cineraria. The plants run in white and in shades of blue, pink, and purple-red.

Florists' Cineraria

Illustrated is a small plant of florists' cineraria. The plants run in white and in shades of blue,…

The leaves of grapefruit are large and dark, glossy green above. The shape is oval or elliptic oval.

Grapefruit Leaf

The leaves of grapefruit are large and dark, glossy green above. The shape is oval or elliptic oval.

Pictured is the leaf or sour or seville orange. The leaves are light green when young and three to four inches long.

Sour Orange Leaf

Pictured is the leaf or sour or seville orange. The leaves are light green when young and three to four…

Common or sweet orange is the common name of citrus sinensis. It is a medium sized tree with a rounded top. The flowers are white. The fruit is oval with sweet pulp.

Common or Sweet Orange

Common or sweet orange is the common name of citrus sinensis. It is a medium sized tree with a rounded…

The leaves of citrus ichangensis are narrow with broadly winged stalks.

Citrus Ichangensis

The leaves of citrus ichangensis are narrow with broadly winged stalks.

Clarkia elegans grows one to six feet tall. The flowers are purple or rose colored. There are some white varieties.

Clarkia Elegans

Clarkia elegans grows one to six feet tall. The flowers are purple or rose colored. There are some white…

Clarkia pulchella grows between twelve and eighteen inches tall. The flowers are lilac and there is also a white variety.

Clarkia Pulchella

Clarkia pulchella grows between twelve and eighteen inches tall. The flowers are lilac and there is…

The flowers of clematis fremontii are purple and drooping. The leaves are three to four inches long.

Clematis Fremontii

The flowers of clematis fremontii are purple and drooping. The leaves are three to four inches long.

Clematis stanleyia is an erect, robust herb that grows three feet tall. The flowers are one to three inches across and white to pink-purple.

Clematis Stanleyia

Clematis stanleyia is an erect, robust herb that grows three feet tall. The flowers are one to three…

Clematis lawsoniana henryi is a derivative from clematis lanuginosa. The flowers are creamy white and become fully expanded when grown in the open sun.

Clematis Lawsoniana Henryi

Clematis lawsoniana henryi is a derivative from clematis lanuginosa. The flowers are creamy white and…

The flowers of clematis paniculata are one to one and a half inches across. The flowers are dull white and bloom in September.

Flower of Clematis Paniculata

The flowers of clematis paniculata are one to one and a half inches across. The flowers are dull white…

The leaves of clematis virginiana are cut toothed. The bases are often heart shaped. The leaves are two to three inches long.

Clematis Virginiana

The leaves of clematis virginiana are cut toothed. The bases are often heart shaped. The leaves are…

The common name of cleome spinosa is giant spider plant. The flowers have four petals. The flowers are rose-purple varying to white.

Cleome Spinosa

The common name of cleome spinosa is giant spider plant. The flowers have four petals. The flowers are…

Clerodendron thomsonae is a tall, twining, evergreen shrub. The flowers are white and light crimson. The shrub is native to west Africa.

Clerodendron Thomsonae

Clerodendron thomsonae is a tall, twining, evergreen shrub. The flowers are white and light crimson.…

Clerodendron trichotomum is a slender but erect, graceful sub-shrub. It grows four to ten feet tall, sometimes taller. The flowers are white with a reddish brown calyx.

Clerodendron Trichotomum

Clerodendron trichotomum is a slender but erect, graceful sub-shrub. It grows four to ten feet tall,…

The common name of clethra is white adler. The tomentosa variety grows two to eight feet tall. It is native from North Carolina to Florida and Alabama.

Clethra Tomentosa

The common name of clethra is white adler. The tomentosa variety grows two to eight feet tall. It is…

The leaves of clivia miniata are sword shaped and taper to a point. There are twelve to twenty flowers in an umbel. The flowers are bright scarlet with a yellow throat.

Clivia Miniata

The leaves of clivia miniata are sword shaped and taper to a point. There are twelve to twenty flowers…

Cloves are dried flower buds. Illustrated are (1) a spray of leaves and flowers, (2) an expanded flower, and (3) an unopened bud or clove.

Clove

Cloves are dried flower buds. Illustrated are (1) a spray of leaves and flowers, (2) an expanded flower,…

The common names of coccoloba uvifera are sea grape, shore grape, and uvadel mar. The leaves are large, often five inches long and seven inches wide. The flowers are white and fragrant.

Coccoloba Uvifera

The common names of coccoloba uvifera are sea grape, shore grape, and uvadel mar. The leaves are large,…

Cochlearia danica grows six to eight inches tall. The leaves are rounded and kidney shaped. The small white flowers cover the plant in early summer.

Cochlearia Danica

Cochlearia danica grows six to eight inches tall. The leaves are rounded and kidney shaped. The small…

Codiaeum variegatum Baronne de Rothschild has red colored leaves when older.

Codiaeum Variegatum Baronne de Rothschild

Codiaeum variegatum Baronne de Rothschild has red colored leaves when older.

Codieum disraeli is an example of the lobatum form. The leaves are more or less three lobed.

Codiaeum Disraeli

Codieum disraeli is an example of the lobatum form. The leaves are more or less three lobed.

Codiaeum interruptum is an example of the form appendiculatum. The leaves are constricted to the midrib.

Codiaeum Interruptum

Codiaeum interruptum is an example of the form appendiculatum. The leaves are constricted to the midrib.

Codiaeum spirale is an example of forms crispum and cornutum. The leaves have a crisped margin.

Codiaeum Spirale

Codiaeum spirale is an example of forms crispum and cornutum. The leaves have a crisped margin.

The flowers of coelia baueriana are small, white, and fragrant. The flower lip is yellow. The plant is an orchid.

Coelia Baueriana

The flowers of coelia baueriana are small, white, and fragrant. The flower lip is yellow. The plant…

The flower clusters of coelogyne cristata have five to nine flowers. The flowers are white and drooping.

Coelogyne Cristata

The flower clusters of coelogyne cristata have five to nine flowers. The flowers are white and drooping.

The common name of coix lacryma-jobi is Job's tears. The beads or "tears" are pearly white to a lead color. The grass grows two to four feet tall.

Coix Lacryma-Jobi

The common name of coix lacryma-jobi is Job's tears. The beads or "tears" are pearly white to a lead…

The common names of colchicum are meadow saffron and autumn crocus. The autumnale variety has one to four flowers growing from each spathe. The flowers are purple. There is also a white variety.

Colchicum Autumnale

The common names of colchicum are meadow saffron and autumn crocus. The autumnale variety has one to…

The verschaffeltii variety of coleus blumei is more robust and branchy than the type. The leaves are more brilliantly colored.

Coleus Blumei Verschaffeltii

The verschaffeltii variety of coleus blumei is more robust and branchy than the type. The leaves are…

Collinsia bicolor grows one to two feet tall. The flowers are typically purple and white.

Collinsia Bicolor

Collinsia bicolor grows one to two feet tall. The flowers are typically purple and white.

The flowers of collinsia bicolor alba are pure white. The flowers can also have a greenish or yellowish lower lip.

Collinsia Bicolor Alba

The flowers of collinsia bicolor alba are pure white. The flowers can also have a greenish or yellowish…

Comandra umbellata grows six to eighteen inches tall. The flowers are whitish. The leaves are thin, oblong, and pale beneath.

Comandra Umbellata

Comandra umbellata grows six to eighteen inches tall. The flowers are whitish. The leaves are thin,…

The common name of convovulus sepium is rutland beauty. The flowers are white, rose, or pink with white stripes.

Convovulus Sepium

The common name of convovulus sepium is rutland beauty. The flowers are white, rose, or pink with white…

Convovulus tricolor grows six to twelve inches tall. The stem is covered with long, brownish hairs. The flowers are blue and yellow, margined with white.

Convovulus Tricolor

Convovulus tricolor grows six to twelve inches tall. The stem is covered with long, brownish hairs.…

Cordyline terminalis baptistii has broad, recurved, deep green leaves. The leaves have some pink and yellow stripes.

Cordyline Terminalis Baptistii

Cordyline terminalis baptistii has broad, recurved, deep green leaves. The leaves have some pink and…

Coreopsis lanceolata grows one to two feet tall. The leaves are few and large. It is native to the eastern United States.

Coreopsis Lanceolata

Coreopsis lanceolata grows one to two feet tall. The leaves are few and large. It is native to the eastern…

The common name of cornus florida is flowering dogwood. The shrub grows ten to fifteen feet tall and has spreading branches. The flowers are white or pinkish.

Cornus Florida

The common name of cornus florida is flowering dogwood. The shrub grows ten to fifteen feet tall and…

Cornus kousa is a shrub that grows twenty feet tall. The flowers are creamy white and very showy. The plant is native to China and Japan.

Cornus Kousa

Cornus kousa is a shrub that grows twenty feet tall. The flowers are creamy white and very showy. The…

The common name of coronilla varia is crown vetch. It is a straggling or ascending smooth herb growing one to two feet tall. The flowers grow in dense clusters that are pinkish white.

Coronilla Varia

The common name of coronilla varia is crown vetch. It is a straggling or ascending smooth herb growing…