Pictured from the araceae order are (1) arisaema, spathe and spadix, and (2) arum spadix with male and female flowers. Pictured from the lemnaceae order are (3) lemna, (3a) whole plants, and (3b) male and female flowers, and spathe. Pictured from the bromeliaceae order is (4) bromelia flower, (5) ananas, (5a) fruiting inflorescence, and (5b) floral diagram. Pictured from the commelinaceae order is (6) commelina flower and (7) tradescantia flower.

Araceae, Lemnaceae, Bromeliaceae, and Commelinaceae Orders

Pictured from the araceae order are (1) arisaema, spathe and spadix, and (2) arum spadix with male and…

Shown are flowers of the pontederiaceae, juncaceae, liliaceae, and amaryllidaceae orders. These flowers include (1) pontederia, (2) luzula, (3) juncus, (4) dracaena, (5) fritillaria, (6) leucoium, and (7) narcissus.

Pontederiaceae, Juncaceae, Liliaceae, and Amaryllidaceae Orders

Shown are flowers of the pontederiaceae, juncaceae, liliaceae, and amaryllidaceae orders. These flowers…

Pictured are the Taccaceae, Dioscoreaceae, Iridaceae, Musaceae, and Zingiberaceae orders. Pictured are various flowers and flower parts of these orders.

Taccaceae, Dioscoreaceae, Iridaceae, Musaceae, and Zingiberaceae Orders

Pictured are the Taccaceae, Dioscoreaceae, Iridaceae, Musaceae, and Zingiberaceae orders. Pictured are…

Shown are the orders of Salicaceae, Myricaceae, Juglandaceae, and Betulaceae. Illustrated are various flowers of those orders.

Salicaceae, Myricaceae, Juglandaceae, and Betulaceae Orders

Shown are the orders of Salicaceae, Myricaceae, Juglandaceae, and Betulaceae. Illustrated are various…

Shown are the orders of Fagaceae, Ulmaceae, and Moraceae. Illustrated are various flowers and flower parts of these orders. These flower are quercus, castanea, ulmus, morus, humulus, cudrania, and ficus.

Fagaceae, Ulmaceae, and Moraceae Orders

Shown are the orders of Fagaceae, Ulmaceae, and Moraceae. Illustrated are various flowers and flower…

The orders pictured are sarraceniaceae, nepenthaceae, and droseraceae. The flowers of these orders that are illustrated are (1) sarracenia, (2) nepenthes, (3) drosera, (4) dionaea, and (5) aldrovanda.

Orders of Sarraceniaceae, Nepenthaceae, and Droseraceae

The orders pictured are sarraceniaceae, nepenthaceae, and droseraceae. The flowers of these orders that…

Pictured are the orders of crassulaceae, saxifragaceae, and cephalotacea. The flowers of these orders that are illustrated are (1) sedum, (2) saxifraga, (3) ribes, (4) parnassia, and (5) cephalotus.

Orders of Crassulaceae, Saxifragaceae, and Cephalotaceae

Pictured are the orders of crassulaceae, saxifragaceae, and cephalotacea. The flowers of these orders…

The orders of cunoniaceae, bruniaceae, and hamamelidaceae are pictured. The flowers of these orders that are illustrated are (1) cunonia, (2) brunia, (3) hamamelis, and (4) liquidambar.

Orders of Cunoniaceae, Bruniaceae, and Hamamelidaceae

The orders of cunoniaceae, bruniaceae, and hamamelidaceae are pictured. The flowers of these orders…

Pictured are the orders of plantanceae, rosaceae, and leguminosae. The flowers of these orders that are illustrated are (1) platanus, (2) fragaria, (3) geum, (4) rosa, (5) spiraea, (6) prunus, (7) pyrus, (8) pisum, (9) desmodium, (10) cassia, and (11) acacia.

Orders of Plantanceae, Rosaceae, and Leguminosae

Pictured are the orders of plantanceae, rosaceae, and leguminosae. The flowers of these orders that…

Pictured are the orders of geraniacea, tropaeolaceae, and linaceae. The flowers of these orders that are illustrated are (1) geranium, (2) tropaeolum, and (3) linum.

Orders of Geraniaceae, Tropaeolaceae, and Linaceae

Pictured are the orders of geraniacea, tropaeolaceae, and linaceae. The flowers of these orders that…

Pictured are the orders of erythroxylaceae, zygophyllaceae, and rutaceae. The flowers of these orders that are illustrated are (1) erythroxylon, (2) zygophyllum, and (3) ruta.

Orders of Erythroxylaceae, Zygophyllaceae, and Rutaceae

Pictured are the orders of erythroxylaceae, zygophyllaceae, and rutaceae. The flowers of these orders…

The orders of simarubaceae, burseraceae, meliaceae, and malpighiaceae are pictured. The flowers of these orders that are illustrated are (1) ailanthus, (2) bursera, (3) swietenia, (4) cedrela, (5) melia, (6) camera, and (7) malpighia.

Orders of Simarubaceae, Burseraceae, Meliaceae, and Malpighiaceae

The orders of simarubaceae, burseraceae, meliaceae, and malpighiaceae are pictured. The flowers of these…

The orders pictured are tremandraceae, polygalaceae, and euphorbiaceae. The flowers of these orders that are illustrated are (1) platytheca, (2) polygala, (3) euphorbia, and (4) croton.

Orders of Tremandraceae, Polygalaceae, and Euphorbiaceae

The orders pictured are tremandraceae, polygalaceae, and euphorbiaceae. The flowers of these orders…

The orders pictured are empetraceae, coriariaceae, anacaridaceae, and cyrillaceae. The flowers of these orders that are illustrated include (1) empetrum, (2) coriaria, (3) rhus, (4) anacardium, and (5) cyrilla.

Orders of Empetraceae, Coriariaceae, Anacaridaceae, and Cyrillaceae

The orders pictured are empetraceae, coriariaceae, anacaridaceae, and cyrillaceae. The flowers of these…

The orders pictured are aquifoliaceae, celastraceae, stackhousiaceae, and staphyleaceae. The flowers of these orders that are illustrated include (1) ilex, (2) euonymus, (3) stackhousia, and (4) staphylea.

Orders of Aquifoliaceae, Celastraceae, Stackhousiaceae, and Staphyleaceae

The orders pictured are aquifoliaceae, celastraceae, stackhousiaceae, and staphyleaceae. The flowers…

The orders of aceraceae, hippocastanaceae, and sapindaceae. The flowers of these orders that are illustrated are (1) acer, (2) aesculus, (3) sapindus, and (4) koelreuteria.

Orders of Aceraceae, Hippocastanaceae, and Sapindaceae

The orders of aceraceae, hippocastanaceae, and sapindaceae. The flowers of these orders that are illustrated…

The orders pictured are balsaminaceae, rhamnaceae, vitaceae, and tiliaceae. The flowers of these orders that are illustrated include (1) impatiens, (2) rhamnus, (3) vitis, and (4) tilia.

Orders of Balsaminaceae, Rhamnaceae, Vitaceae, and Tiliaceae

The orders pictured are balsaminaceae, rhamnaceae, vitaceae, and tiliaceae. The flowers of these orders…

The orders pictured are malvaceae, bombacaceae, and dilleniaceae. The flowers of these orders that are illustrated include (1) malva, (2) hibiscus, (3) adansonia, (4) theobroma, and (5) dillenia.

Orders of Malvaceae, Bombacaceae, and Dilleniaceae

The orders pictured are malvaceae, bombacaceae, and dilleniaceae. The flowers of these orders that are…

The orders of hypericacea, guttiferae, and tamaricaceae are pictured. The flowers of these orders that are illustrated include (1) hypericum, (2) vismia, (3) garcinia, and (4) tamarix.

Orders of Hypericaceae, Guttiferae, and Tamaricaceae

The orders of hypericacea, guttiferae, and tamaricaceae are pictured. The flowers of these orders that…

Flowers of the orders of cistaceae, bixaceae, violaceae, and passifloraceae are pictured. These flowers include (1) helianthemum, (2) cistus, (3) bixa, and (4) viola.

Orders of Cistaceae, Bixaceae, Violaceae, and Passifloraceae

Flowers of the orders of cistaceae, bixaceae, violaceae, and passifloraceae are pictured. These flowers…

Represented are the orders of caricaceae, loasaceae, begoniaceae, and cactaceae. The flowers of these orders that are illustrated include (1) carica, (2) loasa, (3) mentzelia, (4) begonia, (5) pilocereus, and (6) opuntia.

Orders of Caricaceae, Loasceae, Begoniaceae, and Cactaceae

Represented are the orders of caricaceae, loasaceae, begoniaceae, and cactaceae. The flowers of these…

Pictured are the orders of thymelaeaceae, elaeagnaceae, lythraceae, and punicaceae. The flowers of these orders that are illustrated include (1) daphne, (2) elaegnus, (3) lythrum, and (4) punica.

Orders of Thymelaeaceae, Elaeagnaceae, Lythraceae, and Punicaceae

Pictured are the orders of thymelaeaceae, elaeagnaceae, lythraceae, and punicaceae. The flowers of these…

Pictured are the orders of Lecythidaceae, Rhizophoraceae, Combretaceae, Myrtaceae, and Melastomaceae. The flowers of these orders that are illustrated include (1) lecythis, (2) rhizophora, (3) combretum, (4) jambosa, (5) eucalyptus, and (6) melastoma.

Orders of Lecythidaceae, Rhizophoraceae, Combretaceae, Myrtaceae, and Melastomaceae

Pictured are the orders of Lecythidaceae, Rhizophoraceae, Combretaceae, Myrtaceae, and Melastomaceae.…

Pictured are flowers from the orders onagraceae and haloragidaceae. The flowers of these orders that are illustrated are (1) oenothera, (2) epilobium, (3) circaea, and (4) myriophyllum.

Orders of Onagraceae and Haloragidaceae

Pictured are flowers from the orders onagraceae and haloragidaceae. The flowers of these orders that…

Pictured are flowers of the orders araliaceae and umbelliferae. The flowers of these orders that are illustrated include (1) aralia, (2) hedera, (3) cicutat, (4) foeniculum, (5) artedia, and (6) apium. (7) represents the fruits of umbelliferae.

Orders of Araliaceae and Umbelliferae

Pictured are flowers of the orders araliaceae and umbelliferae. The flowers of these orders that are…

Pictured are the orders of clethraceae, pyrolaceae, and ericaceae. The flowers of these orders that are illustrated include (1) clethra, (2) pyrola, (andromeda, (4) kalmia, (5) rhododendron, (6) erica, and (7) vaccinium.

Orders of Clethraceae, Pyrolaceae, and Ericaceae

Pictured are the orders of clethraceae, pyrolaceae, and ericaceae. The flowers of these orders that…

Pictured are flowers of the orders diapensiaceae, primulaceae, and plumbaginaceae. The flowers of these orders that are illustrated include (1) diapensia, (2) primula, (3) armeria, (4) statice, and (5) plumbago.

Orders of Diapensiaceae, Primulaceae, and Plumbaginaceae

Pictured are flowers of the orders diapensiaceae, primulaceae, and plumbaginaceae. The flowers of these…

Pictured are flowers of the orders sapotaceae, ebenaceae, styracaceae, and symplocaceae. The flowers that are illustrated are (1) lucuma, (2) sideroxylon, (3) diospyros, (4) styrax, and (5) symplocos.

Orders of Sapotaceae, Ebenaceae, Styracaceae, and Symplocaceae

Pictured are flowers of the orders sapotaceae, ebenaceae, styracaceae, and symplocaceae. The flowers…

Pictured are the flowers and fruits of the orders oleaceae, loganiaceae, gentianaceae, and apocynaceae. The flowers and fruits illustrated are (1) olea, (2) fraxinus, (3) logania, (4) gentiana, (5) apocynum, and (6) vinca.

Orders of Oleaceae, Loganiaceae, Gentianaceae, and Apocynaceae

Pictured are the flowers and fruits of the orders oleaceae, loganiaceae, gentianaceae, and apocynaceae.…

Pictured are flowers of the orders asclepiadaceae, convolvulaceae, polemoniaceae, and hydrophyllaceae. The flowers of these orders that are illustrated are (1) asclepias, (2) convolvulus, (3) phlox, (4) polemonium, (5) hydrophyllum, and (6) phacelia.

Orders of Asclepiadaceae, Convolvulaceae, Polemoniaceae, and Hydrophyllaceae

Pictured are flowers of the orders asclepiadaceae, convolvulaceae, polemoniaceae, and hydrophyllaceae.…

Pictured are flowers of the order boraginaceae, verbenaceae, labiatae, and nolanaceae. The flowers of these orders that are illustrated are (1) borago, (2) symphytum, (3) cynoglosum, (4) omphalodes, (5) verbena, (6) lantana, (7) mentha, (8) thymus, (9) salvia, (10) lamium, and (11) nolana.

Orders of Boraginaceae, Verbenaceae, Labiatae, and Nolanaceae

Pictured are flowers of the order boraginaceae, verbenaceae, labiatae, and nolanaceae. The flowers of…

Pictured are flowers of the orders martyniaceae, gesneriaceae, lentibulariaceae, and globulariaceae. The flowers illustrated are (1) martynia, (2) gesneria, (3) achimenes, (4) utricularia, (5) globularia, and (6) cockburnia.

Orders of Martyniaceae, Gesneriaceae, Lentibulariaceae, and Globulariaceae

Pictured are flowers of the orders martyniaceae, gesneriaceae, lentibulariaceae, and globulariaceae.…

Pictured are flowers of the orders acanthaceae, myoporaceae, phrymaceae, and plantaginaceae. The flowers illustrated are (1) ruellia, (2) justicia, (3) myoporum, (4) phryma, and (5) plantago.

Orders of Acanthaceae, Myoporaceae, Phrymaceae, and Plantaginaceae

Pictured are flowers of the orders acanthaceae, myoporaceae, phrymaceae, and plantaginaceae. The flowers…

Pictured are flowers of the orders rubiaceae and valerianaceae. The flowers pictured are (1) galium, (2) houstonia, (3) bouvardia, (4) lonicera, and (5) valeriana.

Orders of Rubiaceae and Valerianaceae

Pictured are flowers of the orders rubiaceae and valerianaceae. The flowers pictured are (1) galium,…

Pictured is abronia umbellata. The common name of abronia is sand verbena. The umbellata variety has pink flowers that are about a half inch. The plant is native from California seacoasts to Columbia.

Abronia Umbellata

Pictured is abronia umbellata. The common name of abronia is sand verbena. The umbellata variety has…

The <i>Achillea filipendulina</i> plant grows between four and five feet tall. The flowers are yellow and grow in dense heads. The flowers bloom June to September.

Achillea Filipendulina

The Achillea filipendulina plant grows between four and five feet tall. The flowers are yellow and grow…

The leaves of <i>Agave americana</i> are smooth, gray, and lance shaped. The plant has moderately large gray prickles.

Agave Americana in Flower

The leaves of Agave americana are smooth, gray, and lance shaped. The plant has moderately large gray…

Pictured are the flower and bud of <i>Agrimonia euphoria</i>. The common name of the plant is common agrimony. The plant grows two to three feet high in little clumps from a short rootstock.

Agrimonia Eupatoria

Pictured are the flower and bud of Agrimonia euphoria. The common name of the plant is common agrimony.…

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…

Pictured is a good pot plant of aloe showing the offsets. Aloe plants have a stiff, harsh, and rugged habit.

Pot Plant of Aloe

Pictured is a good pot plant of aloe showing the offsets. Aloe plants have a stiff, harsh, and rugged…

The common name of <I>Alyssum saxatile</i> is golden tuft. The numerous flowers are golden yellow. The plant grows one foot high.

Alyssum Saxatile

The common name of Alyssum saxatile is golden tuft. The numerous flowers are golden yellow. The plant…

The common name of <I>Amaranths caudates</I> is love-lies-bleeding. The plant is tall, about three to five feet. The flowers spikes are red, long, and slender.

Amarantus Caudatus

The common name of Amaranths caudates is love-lies-bleeding. The plant is tall, about three to five…

The <I>Amaranths gangeticus</i> plant is three feet tall or smaller, usually only one foot tall. The flowers grow in short spikes.

Amarantus Gangeticus

The Amaranths gangeticus plant is three feet tall or smaller, usually only one foot tall. The flowers…

The common names of <I>Amorphophallus riviera</I> are devil's tongue and snake palm. Pictured is the flower stem and a bit of leaf from the plant. The whole flower often measures three feet long.

Amorphophallus Rivieri

The common names of Amorphophallus riviera are devil's tongue and snake palm. Pictured is the flower…

The stem of <I>Anemone japonica</I> is two to three feet tall. The plant is soft and downy, with short hairs. The flowers are rosy purple or purplish red.

Anemone Japonica

The stem of Anemone japonica is two to three feet tall. The plant is soft and downy, with short hairs.…

The common name of <I>Anthemis tinctoria</i> is golden marguerite. The plant grows two to three feet tall. The flowers are large, daisy like, and golden yellow.

Anthemis Tinctoria

The common name of Anthemis tinctoria is golden marguerite. The plant grows two to three feet tall.…

The common names of <I>Anthemis cotula</I> are may-weed and dog fennel. The weed grows one to two feet high. The plant is ill scented. The flowers are one inch across.

Anthemis Cotula

The common names of Anthemis cotula are may-weed and dog fennel. The weed grows one to two feet high.…

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 flowers of <I>Antirrhinum maurandioides</I> are one inch or more long. The flowers are violet or purple. Pictured is the plant in bud.

Antirrhinum Maurandioides

The flowers of Antirrhinum maurandioides are one inch or more long. The flowers are violet or purple.…

<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…

The common names of <I>Apios tuberosa</I> are groundnut and wild bean. The plant grows between four and eight feet tall. The flowers are fragrant and chocolate brown.

Apios Tuberosa

The common names of Apios tuberosa are groundnut and wild bean. The plant grows between four and eight…

The common name of aquilegia canadensis is common columbine. The plant grows one to two feet tall. There are several flowers to a stem. The flowers are yellow tinted with red.

Aquilegia Canadensis

The common name of aquilegia canadensis is common columbine. The plant grows one to two feet tall. There…

<I>Aquilegia chrysantha</I> grows between three and four feet tall. There are many flowers on the plant. The flowers are two to three inches across and are yellow tinted with red.

Aquilegia Chrysantha

Aquilegia chrysantha grows between three and four feet tall. There are many flowers on the plant. The…

The <I>Aquilegia longissima</I> plant is tall and covered in silky hairs. The flowers are pale yellow. The leaflets are deeply lobed and cut.

Aquilegia Longissima

The Aquilegia longissima plant is tall and covered in silky hairs. The flowers are pale yellow. The…

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…

The common name of arabis is rock-cress. The albida variety is only a few inches tall. The plant is covered in short, fine hairs. The lower leaves are narrow at the base.

Arabis Albida

The common name of arabis is rock-cress. The albida variety is only a few inches tall. The plant is…

The common name of <I>Araucaria excelsa</I> is Norfolk Island Pine. The plant is light green and has curved, soft, sharp pointed leaves. The leaves are densely placed on drooping branchlets.

Araucaria Excelsa

The common name of Araucaria excelsa is Norfolk Island Pine. The plant is light green and has curved,…

Woolly aphis is a plant lice. Eggs are attached to twigs during the winter. In the spring soft-bodied, wingless female aphid appear and give birth to young aphids. They suck the juices from leaves or twigs.

Wooly Aphis on Alnus

Woolly aphis is a plant lice. Eggs are attached to twigs during the winter. In the spring soft-bodied,…

The common name of <I>Argemone mexicana</I> is prickly poppy. The plant grow one to two feet tall. The flowers are orange or lemon colored. The plant has a moderately prickly stem.

Argemone Mexicana

The common name of Argemone mexicana is prickly poppy. The plant grow one to two feet tall. The flowers…