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American Plane Tree

Platanus occidentalis
Platanus occidentalis Form Platanus occidentalis Form Platanus occidentalis Bark Platanus occidentalis Bark Platanus occidentalis, American Sycamore bark Platanus occidentalis, American Sycamore bark Platanus occidentalis Fruit and Leaves Platanus occidentalis Fruit and Leaves Platanus occidentalis, American Sycamore leaves and fruit Platanus occidentalis, American Sycamore leaves and fruit Platanus occidentalis, American Sycamore buds Platanus occidentalis, American Sycamore buds
1 Cultivar/Variety

American Plum

Prunus americana
Form in bloom Form in bloom Prunus americana Prunus americana Prunus americana Prunus americana Fruit close-up Fruit close-up Prunus americana Prunus americana Leaf close-up Leaf close-up
1 Cultivar/Variety

American Pokeweed

Phytolacca americana var. rigida
Leafy shoot with erect stalks bearing black fruits. Leafy shoot with erect stalks bearing black fruits. Small sedling Small sedling Leafy shoot with erect stalks bearing black fruits. Leafy shoot with erect stalks bearing black fruits.

American Pokeweed

Phytolacca americana
Phytolacca americana Phytolacca americana Phytolacca americana Phytolacca americana Flower buds - Warren Co., NC Flower buds - Warren Co., NC Purple stems with tiny white flowers & green/black berries Purple stems with tiny white flowers & green/black berries Purple stem, calyx & berries - Warren Co., NC Purple stem, calyx & berries - Warren Co., NC Phytolacca americana Phytolacca americana
1 Cultivar/Variety

American Raspberry

Rubus idaeus subsp. strigosus
Raspberry plant Raspberry plant Rubus idaeus Rubus idaeus Stem with red hairs (North Carolina, US)-Mid Summer Stem with red hairs (North Carolina, US)-Mid Summer 2nd year stem (North Carolina, US)-Mid Summer 2nd year stem (North Carolina, US)-Mid Summer Underside of leaf (North Carolina, US)-Mid Summer Underside of leaf (North Carolina, US)-Mid Summer Fruits forming (North Carolina, US)-Mid Summer Fruits forming (North Carolina, US)-Mid Summer

American Rattan

Berchemia scandens
Leaves Leaves Form Form Leaves in fall Leaves in fall Fruits and leaves Fruits and leaves Unripe fruits Unripe fruits Ripe fruits Ripe fruits

American Redbud

Cercis canadensis
tree form with pink blooms tree form with pink blooms Group of dangling, dried bean pods Group of dangling, dried bean pods Vivid , hot pink pea-like flowers emerging from bright red buds. Vivid , hot pink pea-like flowers emerging from bright red buds. THe unfolding leaves are cordate with swollen joint or pulvinus THe unfolding leaves are cordate with swollen joint or pulvinus tree form without blooms tree form without blooms heart-shaped leaves. heart-shaped leaves.
23 Cultivars/Varieties

American Red Oak

Quercus rubra
Full Form Full Form Acorn Acorn dangling male catkins with emerging red leaves dangling male catkins with emerging red leaves Front and back of leaves (Greensboro, NC)-Mid Fall Front and back of leaves (Greensboro, NC)-Mid Fall Side view of acorns (Greensboro, NC)-Mid Fall Side view of acorns (Greensboro, NC)-Mid Fall End buds (Greensboro, NC)-Mid Fall End buds (Greensboro, NC)-Mid Fall
2 Cultivars/Varieties

American Red Raspberry

Rubus idaeus subsp. strigosus
Raspberry plant Raspberry plant Rubus idaeus Rubus idaeus Stem with red hairs (North Carolina, US)-Mid Summer Stem with red hairs (North Carolina, US)-Mid Summer 2nd year stem (North Carolina, US)-Mid Summer 2nd year stem (North Carolina, US)-Mid Summer Underside of leaf (North Carolina, US)-Mid Summer Underside of leaf (North Carolina, US)-Mid Summer Fruits forming (North Carolina, US)-Mid Summer Fruits forming (North Carolina, US)-Mid Summer

American Rocket

Barbarea orthoceras
Flower Flower Leaf Leaf Stem Stem Flower Flower

American Rowan

Sorbus americana
Form Form Fruits Fruits Branch with berries Branch with berries Tree Tree Fruit closeup Fruit closeup Close up of flower Close up of flower

American Rowan Tree

Sorbus americana
Form Form Fruits Fruits Branch with berries Branch with berries Tree Tree Fruit closeup Fruit closeup Close up of flower Close up of flower

American Rubber Plant

Peperomia obtusifolia
Form Form Peperomia obtusifolia Peperomia obtusifolia Plant with rubbery, obovate leaves and spikes of minute flowers. Plant with rubbery, obovate leaves and spikes of minute flowers. Shiny, rubbery leaves and upright spikes of minute flowers. Shiny, rubbery leaves and upright spikes of minute flowers. Stem and Leaves Stem and Leaves Peperomia obtusifolia Peperomia obtusifolia
6 Cultivars/Varieties

American Sanicle

Heuchera americana
Tuft of scalloped, variegated leaves emerging between rocks. Tuft of scalloped, variegated leaves emerging between rocks. Top view from above the flower stalks & scalloped leaves Top view from above the flower stalks & scalloped leaves Closeup showing scalloped margins & paler interveinal areas Closeup showing scalloped margins & paler interveinal areas Rosette of leaves, with emerging flower buds and stalk Rosette of leaves, with emerging flower buds and stalk Tall flower stalks with small, non-showy flowers. Tall flower stalks with small, non-showy flowers. Seed pod & fine seeds. Millimeter scale shows seed < 0.25 mm Seed pod & fine seeds. Millimeter scale shows seed < 0.25 mm

American Senna

Senna hebecarpa
shrub with pinnate leaves and clusters of yellow flowers. shrub with pinnate leaves and clusters of yellow flowers. shrub with pinnate leaves and clusters of yellow flowers. shrub with pinnate leaves and clusters of yellow flowers. Clusters of yellow flowers and prominent stamens. Clusters of yellow flowers and prominent stamens. shrub with pinnate leaves and bean-like pods. shrub with pinnate leaves and bean-like pods.

American Sicklepod

Senna obtusifolia
Form in October in Hunan, China Form in October in Hunan, China Yellow flower & leaves in October in Dare County, North Carolina Yellow flower & leaves in October in Dare County, North Carolina Seed pod & seeds in Bastrop County, Texas Seed pod & seeds in Bastrop County, Texas

American Silverbells

Styrax americanus
Styrax americanus Styrax americanus Styrax americanus Styrax americanus Styrax americanus Styrax americanus Styrax americanus Styrax americanus Styrax americanus Styrax americanus Styrax americanus Styrax americanus

American Slender Caesar

Amanita jacksonii
Amanita jacksonii Amanita jacksonii Amanita jacksonii Amanita jacksonii Amanita jacksonii Amanita jacksonii Amanita jacksonii Amanita jacksonii Amanita jacksonii Amanita jacksonii Amanita jacksonii Amanita jacksonii
1 Cultivar/Variety

American Smoketree

Cotinus obovatus
Cotinus obovatus Cotinus obovatus Cotinus obovatus Cotinus obovatus Cotinus obovatus Cotinus obovatus Cotinus obovatus Cotinus obovatus Cotinus obovatus - flower up close Cotinus obovatus - flower up close Cotinus obovatus Cotinus obovatus
3 Cultivars/Varieties

American Smoketree

Cotinus
Full grown tree in bloom with pinkish plumes Full grown tree in bloom with pinkish plumes Fall Form Fall Form Cotinus x 'Grace' leaf Cotinus x 'Grace' leaf Small yellowish cluster of flowers Small yellowish cluster of flowers Cotinus Cotinus Cotinus Cotinus
2 Cultivars/Varieties

American Snowbell

Styrax americanus
Styrax americanus Styrax americanus Styrax americanus Styrax americanus Styrax americanus Styrax americanus Styrax americanus Styrax americanus Styrax americanus Styrax americanus Styrax americanus Styrax americanus

American Snowbells

Styrax americanus
Styrax americanus Styrax americanus Styrax americanus Styrax americanus Styrax americanus Styrax americanus Styrax americanus Styrax americanus Styrax americanus Styrax americanus Styrax americanus Styrax americanus

American Snowdrop Tree

Halesia diptera
Halesia diptera Halesia diptera Halesia diptera Halesia diptera Halesia diptera Fruit and Leaves Halesia diptera Fruit and Leaves Halesia diptera Halesia diptera Halesia diptera Halesia diptera Halesia diptera Halesia diptera
1 Cultivar/Variety

American Spider Lily

Lilium superbum
Form in bloom Form in bloom flower, Great Smoky Mts National Park flower, Great Smoky Mts National Park Butterfly on flowers Butterfly on flowers flower, Great Smoky Mts National Park flower, Great Smoky Mts National Park Leaves Leaves Fruit Fruit

American Swamp Lily

Saururus cernuus
Saururus cernuus Saururus cernuus Saururus cernuus Saururus cernuus Saururus cernuus Saururus cernuus Saururus cernuus Saururus cernuus Saururus cernuus Saururus cernuus Saururus cernuus Saururus cernuus

American Sweet Flag

Acorus americanus
Form Form Growing in water Growing in water Leaf detail Leaf detail spadix spadix Fruit and seeds Fruit and seeds

American Sweet Gum

Liquidambar styraciflua
Fall color Form Fall color Form Fall foliage Fall foliage Immature fruits resemble a spiky "gum ball" Immature fruits resemble a spiky "gum ball" Male flower racemes in early Spring Male flower racemes in early Spring Liquidambar styraciflua Liquidambar styraciflua Elongated green structures are male staminate catkins and pollen Elongated green structures are male staminate catkins and pollen
12 Cultivars/Varieties

American Sycamore

Platanus occidentalis
Platanus occidentalis Form Platanus occidentalis Form Platanus occidentalis Bark Platanus occidentalis Bark Platanus occidentalis, American Sycamore bark Platanus occidentalis, American Sycamore bark Platanus occidentalis Fruit and Leaves Platanus occidentalis Fruit and Leaves Platanus occidentalis, American Sycamore leaves and fruit Platanus occidentalis, American Sycamore leaves and fruit Platanus occidentalis, American Sycamore buds Platanus occidentalis, American Sycamore buds
1 Cultivar/Variety

American Tall Bellflower

Campanulastrum americanum
Campanula americana Campanula americana Campanual americana Campanual americana Campanula americana Campanula americana Campanula americana Campanula americana

American Trout Lily

Erythronium americanum
Erythronium americanum with bumblebee Erythronium americanum with bumblebee Erthronium americanum flower close up Erthronium americanum flower close up Erythronium americanum Erythronium americanum Erythronium americanum Erythronium americanum Erythronium americanum form Erythronium americanum form Erythronium_americanum form Erythronium_americanum form

American Turkey Oak

Quercus laevis
Form with green leaves Form with green leaves Mature tree with reddish leaves in fall Mature tree with reddish leaves in fall Form of tree with green leaves Form of tree with green leaves Green lobed leaves (Pinebluff, NC)-Early Fall Green lobed leaves (Pinebluff, NC)-Early Fall Hanging male catkins Hanging male catkins Bottom view of acorn (Pinebluff, NC)-Early Fall Bottom view of acorn (Pinebluff, NC)-Early Fall

American Twinleaf

Jeffersonia diphylla
Flowers Flowers Close up of flower Close up of flower Form Form Leaf closeup Leaf closeup Fruit Fruit

American Wahoo

Euonymus atropurpureus
Form in bloom Form in bloom Fruit Fruit Flowers Flowers Leaves and flowers Leaves and flowers Stem, Leaves and fruit Stem, Leaves and fruit Fruit closeup Fruit closeup

American wall fern

Polypodium virginianum
Polypodium virginianum Polypodium virginianum Polypodium virginianum Polypodium virginianum Polypodium virginianum Polypodium virginianum Polypodium virginianum Polypodium virginianum Polypodium virginianum Polypodium virginianum Polypodium virginianum Polypodium virginianum

American Water Pennywort

Hydrocotyle americana
Form Form Flowers, leaves and stem Flowers, leaves and stem Flowers Flowers Leaf closeup Leaf closeup Fruit Fruit

American Water-Pennywort

Hydrocotyle americana
Form Form Flowers, leaves and stem Flowers, leaves and stem Flowers Flowers Leaf closeup Leaf closeup Fruit Fruit

American Water-willow

Dianthera americana
Dianthera americana Dianthera americana Dianthera americana Dianthera americana Dianthera americana Dianthera americana Form - Fall - Warren Co., - NC Form - Fall - Warren Co., - NC Form - October - Warren Co., NC Form - October - Warren Co., NC Flower & Leaves - June 10 - Warren Co., NC Flower & Leaves - June 10 - Warren Co., NC

American White Hellebore

Veratrum viride
V. viride V. viride V. viride V. viride V. veride V. veride V. viride V. viride Veratrum viride Veratrum viride Veratrum viride Veratrum viride

American White Oak

Quercus alba
Full Form Full Form white oak in spring brunswick nature park skdavidson white oak in spring brunswick nature park skdavidson Quercus alba Quercus alba Leaf and Fruit Leaf and Fruit Leaves with alternate arrangement on the stem Leaves with alternate arrangement on the stem Fall color and form Fall color and form

American Wild Plum

Prunus americana
Form in bloom Form in bloom Prunus americana Prunus americana Prunus americana Prunus americana Fruit close-up Fruit close-up Prunus americana Prunus americana Leaf close-up Leaf close-up
1 Cultivar/Variety

American Willowherb

Epilobium ciliatum
Epilobium ciliatum Epilobium ciliatum Epilobium ciliatum Epilobium ciliatum Epilobium ciliatum Epilobium ciliatum stem stem leaves leaves flowers flowers
3 Cultivars/Varieties

American Wintercress

Barbarea orthoceras
Flower Flower Leaf Leaf Stem Stem Flower Flower

American Wintergreen

Gaultheria procumbens
Gaultheria procumbens Gaultheria procumbens Gaultheria procumbens Gaultheria procumbens Gaultheria procumbens Gaultheria procumbens Gaultheria procumbens Gaultheria procumbens

American Wisteria

Wisteria frutescens
Growth habit Growth habit Leaves Leaves Bloom detail Bloom detail Wisteria Frutescens 'Glicine' Wisteria Frutescens 'Glicine' Flower Flower Flower closeup Flower closeup
6 Cultivars/Varieties

American Wood-sorrel

Oxalis montana
Flower Flower

American Wormwood

Ambrosia artemisiifolia
Form Form Leaves Leaves Stems and leaves Stems and leaves Flower buds Flower buds Close up of male flower Close up of male flower Male flowers and stems Male flowers and stems

American Yellow Rocket

Barbarea orthoceras
Flower Flower Leaf Leaf Stem Stem Flower Flower

American yellowwood

Cladrastis kentukea
leaves, form and trunk leaves, form and trunk leaves leaves Flowers Flowers Immature fruits (bean pods) Immature fruits (bean pods) Mature fruits (bean pods) Mature fruits (bean pods) Cladrastis lutea Cladrastis lutea
1 Cultivar/Variety