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Quercus sinuata var. sinuata

Form of tree (Pickens County, AL)-Mid Fall Form of tree (Pickens County, AL)-Mid Fall Looking up through the tree (Pickens County, AL)-Mid Fall Looking up through the tree (Pickens County, AL)-Mid Fall side view of acorns (Pickens County, AL)-Mid Fall side view of acorns (Pickens County, AL)-Mid Fall End buds (Pickens County, AL)-Mid Fall End buds (Pickens County, AL)-Mid Fall Leaf margin (Pickens County, AL)-Mid Fall Leaf margin (Pickens County, AL)-Mid Fall Front and back of leaves (Pickens County, AL)-Mid Fall Front and back of leaves (Pickens County, AL)-Mid Fall

Quercus stellata

Oaks, Post Oak
Quercus stellata, tree Quercus stellata, tree Quercus stellata Quercus stellata Front and back of leaf (Greensboro, NC)-Mid Fall Front and back of leaf (Greensboro, NC)-Mid Fall Close-up of leaf (Greensboro, NC)-Mid spring Close-up of leaf (Greensboro, NC)-Mid spring Stem buds (Greensboro, NC)-Mid spring Stem buds (Greensboro, NC)-Mid spring Side view of acorn (Greensboro, NC)-Mid Fall Side view of acorn (Greensboro, NC)-Mid Fall

Quercus suber

Cork Oak, Cork Tree, Oaks
Quercus suber Quercus suber Form Form Quercus suber Quercus suber Leaves Leaves Fruit Fruit Quercus suber Quercus suber

Quercus texana

Nuttall Oak, Oaks, Shumard Oak, Texas Red Oak
Form Form Leaves Leaves Leaf close up Leaf close up Fall Color Form Fall Color Form Fruit and Fall Color Leaf Fruit and Fall Color Leaf Under Leaf Under Leaf
1 Cultivar/Variety

Quercus variabilis

Chinese Cork Oak, Oaks, Oriental Oak
Form Form Leaves Leaves Leaf closeup Leaf closeup Bark Bark Fruit Fruit Terminal buds Terminal buds

Quercus velutina

Black Oak, Eastern Black Oak, Yellow Oak
Form Form Underside of leaf Underside of leaf Leaves with bristle tipped lobes Leaves with bristle tipped lobes Underside of leaf with short white hairs in VA Underside of leaf with short white hairs in VA Tufts of hair at rib juncture- May in NC Tufts of hair at rib juncture- May in NC Leaves in Sept. in PA Leaves in Sept. in PA

Quercus virginiana

Bay Live Oak, Live Oak, Oaks, Plateau Oak, Scrub Oak, Southern Live Oak
Form of mature tree (Seminole County, GA)-Late Spring Form of mature tree (Seminole County, GA)-Late Spring Large mature tree (Seminole County, GA)-Late Spring Large mature tree (Seminole County, GA)-Late Spring Mature trunk (Seminole County, GA)-Late Spring Mature trunk (Seminole County, GA)-Late Spring Mature trunk (Seminole County, GA)-Late Spring Mature trunk (Seminole County, GA)-Late Spring Quercus virginiana Quercus virginiana Quercus virginiana Quercus virginiana

Quercus x bushii

Bush Oak
Form of tree (Moore County, NC)-Early Fall Form of tree (Moore County, NC)-Early Fall Branches with leaves (Moore County, NC)-Early Fall Branches with leaves (Moore County, NC)-Early Fall Front and back of leaves (Moore County, NC)-Early Fall Front and back of leaves (Moore County, NC)-Early Fall Lobed margins (Moore County, NC)-Early Fall Lobed margins (Moore County, NC)-Early Fall End buds (Moore County, NC)-Early Fall End buds (Moore County, NC)-Early Fall Side view of acorns (Moore County, NC)-Early Fall Side view of acorns (Moore County, NC)-Early Fall
1 Cultivar/Variety

Quercus x caduca

Hybrid Oak
Gray ridged bark (Moore County, NC)-Early Fall Gray ridged bark (Moore County, NC)-Early Fall Leaves (Moore County, NC)-Early Fall Leaves (Moore County, NC)-Early Fall Front and back of leaf (Moore County, NC)-Early Fall Front and back of leaf (Moore County, NC)-Early Fall Underside of leaf (Moore County, NC)-Early Fall Underside of leaf (Moore County, NC)-Early Fall Leaf closeup (Moore County, NC)-Early Fall Leaf closeup (Moore County, NC)-Early Fall Brown stem with leaves and acorn (Moore County, NC)-Early Fall Brown stem with leaves and acorn (Moore County, NC)-Early Fall

Quercus x comptoniae

Bark Bark Tree Tree Growth Habit Growth Habit Leaves and Fruit Leaves and Fruit

Quercus x drummondii

Drummond Post Oak, False Sand Post Oak
Tree form (Bastrop, TX)-Early Fall Tree form (Bastrop, TX)-Early Fall Trunk and branches (Bastrop, TX)-Early Fall Trunk and branches (Bastrop, TX)-Early Fall Lobed margins (Bastrop, TX)-Early Fall Lobed margins (Bastrop, TX)-Early Fall Front and back of leaves (Bastrop, TX)-Early Fall Front and back of leaves (Bastrop, TX)-Early Fall Stem and end buds (Bastrop, TX)-Early Fall Stem and end buds (Bastrop, TX)-Early Fall Side view of acorn (Bastrop, TX)-Early Fall Side view of acorn (Bastrop, TX)-Early Fall

Quercus x garlandensis

Garland's Oak, Hybrid Oak
Form of tree (Greensboro, NC)-Early Fall Form of tree (Greensboro, NC)-Early Fall Lobed green leaves (Greensboro, NC)-Early Fall Lobed green leaves (Greensboro, NC)-Early Fall Various leaf shapes (Greensboro, NC)-Early Fall Various leaf shapes (Greensboro, NC)-Early Fall Various leaf shapes (Greensboro, NC)-Early Fall Various leaf shapes (Greensboro, NC)-Early Fall Underside of leaf with hairs (Greensboro, NC)-Early Fall Underside of leaf with hairs (Greensboro, NC)-Early Fall Stem with end and stem buds (Greensboro, NC)-Early Fall Stem with end and stem buds (Greensboro, NC)-Early Fall

Quercus x heterophylla

Bartram Oak
Form of the tree (Kingsessing, Philadelphia, PA)-Early Fall Form of the tree (Kingsessing, Philadelphia, PA)-Early Fall Form (Kingsessing, Philadelphia, PA)-Early Fall Form (Kingsessing, Philadelphia, PA)-Early Fall Crown (Kingsessing, Philadelphia, PA)-Early Fall Crown (Kingsessing, Philadelphia, PA)-Early Fall Leaves with shallow l (Kingsessing, Philadelphia, PA)-Early Fall Leaves with shallow l (Kingsessing, Philadelphia, PA)-Early Fall upper and underside of leaves (Kingsessing, Philadelphia, PA)-Ea upper and underside of leaves (Kingsessing, Philadelphia, PA)-Ea End buds (Kingsessing, Philadelphia, PA)-Early Fall End buds (Kingsessing, Philadelphia, PA)-Early Fall

Quercus x rudkinii

Hybrid Oak
Tree form (Durham, NC)-Early Fall Tree form (Durham, NC)-Early Fall Entire margin (Durham, NC)-Early Fall Entire margin (Durham, NC)-Early Fall Leaf front and back (Durham, NC)-Early Fall Leaf front and back (Durham, NC)-Early Fall Stem buds (Durham, NC)-Early Fall Stem buds (Durham, NC)-Early Fall Acorn side view (Durham, NC)-Early Fall Acorn side view (Durham, NC)-Early Fall Bottom view of acorn (Durham, NC)-Early Fall Bottom view of acorn (Durham, NC)-Early Fall

Quercus x runcinata

Logue Hybrid, Logue Oak
Tree form (Brighton, NY)-Late Summer Tree form (Brighton, NY)-Late Summer Lobed margins (Brighton, NY)-Late Summer Lobed margins (Brighton, NY)-Late Summer Front and back of leaf (Brighton, NY)-Late Summer Front and back of leaf (Brighton, NY)-Late Summer Underside of leaf with hairs (Brighton, NY)-Late Summer Underside of leaf with hairs (Brighton, NY)-Late Summer Stem bud (Brighton, NY)-Late Summer Stem bud (Brighton, NY)-Late Summer Acorn side view (Brighton, NY)-Late Summer Acorn side view (Brighton, NY)-Late Summer

Ranunculus

Butter Cress, Buttercup, Crowfoot, Figwort, Persian Buttercup, Ranunculus, Spearwort
Single, ternate leaf with lobed leaflets. Hairy stem. Single, ternate leaf with lobed leaflets. Hairy stem. Sepals are reflexed & petals are spreading & yellow. Stems hairy Sepals are reflexed & petals are spreading & yellow. Stems hairy Five, glossy yellow petals, many stamens & many green carpels. Five, glossy yellow petals, many stamens & many green carpels. e;jiw ejtw e;jiw ejtw Pink buttercup flowers with many free carpels. Pink buttercup flowers with many free carpels. White flowers popping above the surface of water. White flowers popping above the surface of water.
6 Cultivars/Varieties

Ranunculus acris

Bitter Buttercup, Buttercup, Common Buttercup, Meadow Buttercup, Tall Buttercup
Portrait of bowl-shaped yellow flowers with many stamens. Portrait of bowl-shaped yellow flowers with many stamens. Portrait of bowl-shaped yellow flowers with many stamens. Portrait of bowl-shaped yellow flowers with many stamens. Stem showing deeply lobed hear-shaped leaves & a basal rosette Stem showing deeply lobed hear-shaped leaves & a basal rosette Hand cradling the inverted leaf to show venation & hairs. Hand cradling the inverted leaf to show venation & hairs. View across a meadow with 100s of yellow flowers. View across a meadow with 100s of yellow flowers. Dozens of yellow flowers seem to float above the flower bed. Dozens of yellow flowers seem to float above the flower bed.
1 Cultivar/Variety

Ranunculus asiaticus

Persian Buttercup, Ranunculus
Fully double flowers in shades of purple, yellow and orange. Fully double flowers in shades of purple, yellow and orange. Bed of fully double flowers in shades of white, pink & orange. Bed of fully double flowers in shades of white, pink & orange. Semi-double flowers in shades of yellow and orange. Semi-double flowers in shades of yellow and orange. Front view of a pink, fully double, rose-like flower Front view of a pink, fully double, rose-like flower Back view of a pink, double flower showing five sepals. Back view of a pink, double flower showing five sepals. Orange fully double flowers and highly dissected foliage. Orange fully double flowers and highly dissected foliage.

Ranunculus ficaria

Dusky Maiden, Fig Buttercup, Lesser Celandine, Lesser Crowfoot, Pilewort
Ground covered with the plant and many yellow flowers. Ground covered with the plant and many yellow flowers. A cluster of yellow flowers with many petals. A cluster of yellow flowers with many petals. Close up of flower showing many petals and stamens Close up of flower showing many petals and stamens Arrow-shaped leaves Arrow-shaped leaves Fingers showing underside of cordate leaf. Fingers showing underside of cordate leaf. Excavated roots bearing clusters of finger-like tubers Excavated roots bearing clusters of finger-like tubers

Ranunculus flammula

Creeping Spearwort, Greater Creeping Spearwort, Miniature Spearwort
Ranunclus flammula Ranunclus flammula Ranunclus flammula Ranunclus flammula Ranunclus flammula Ranunclus flammula Ranunclus flammula Ranunclus flammula Hand holding a small plant with ovate to lanceolate leaves Hand holding a small plant with ovate to lanceolate leaves

Ranunculus sardous

Hairy Buttercup, Hairy Crowfoot
Plants in Bloom Plants in Bloom Leaves Leaves Leaf Leaf Plant Plant Flower Flower Plant in Bloom Plant in Bloom

Ranunculus septentrionalis

Carolina Buttercup
Close-up of a bright yellow, bowl-shaped flower with 5 petals Close-up of a bright yellow, bowl-shaped flower with 5 petals Foliage and yellow, 5-petaled flowers. Foliage and yellow, 5-petaled flowers. Foliage and yellow, 5-petaled flowers. Foliage and yellow, 5-petaled flowers.

Raphanus raphanistrum

Rabano de Maleza, Wild Radish
Form in November in British Columbia, Canada Form in November in British Columbia, Canada Leaves and stem in November in British Columbia, Canada Leaves and stem in November in British Columbia, Canada Flowers in November in Wellington County, New Zealand Flowers in November in Wellington County, New Zealand Flower close-up in November in Marin County, California Flower close-up in November in Marin County, California

Raphanus raphanistrum subsp. sativus

Daikon, Daikons, Forage Radish, Mooli, Moolis, Radish, Radishes, Rat's Tail, Tillage Radish
Roots Roots Whole plant Whole plant Root cut in half Root cut in half Flower Flower Seeds Seeds A variety of roots A variety of roots
5 Cultivars/Varieties

Ratibida columnifera

Columnar Prairie Coneflower, Long-headed Coneflower, Mexican Hat, Prairie Coneflower
Inflorescence with red-brown ray florets & yellow disk florets. Inflorescence with red-brown ray florets & yellow disk florets. Inflorescence with yellow ray florets & yellow disk florets. Inflorescence with yellow ray florets & yellow disk florets. daisy-like flower with reddish "petals" and an elongate "eye" daisy-like flower with reddish "petals" and an elongate "eye" Inflorescence with yellow ray florets & dark disk florets Inflorescence with yellow ray florets & dark disk florets flowers growing in prairie. Inflorescence disk elongate. flowers growing in prairie. Inflorescence disk elongate.

Ratibida pinnata

Drooping Coneflower, Gray-headed Coneflower, Grey-headed Coneflower, Pinnate Prairie Coneflower, Prairie Coneflower, Yellow Coneflower
pinnate foliage and heads with yellow disk flowers. pinnate foliage and heads with yellow disk flowers. Heads with drooping ray flowers and dark disk flowers. Heads with drooping ray flowers and dark disk flowers. Plant with basal pinnate leaves & heads on tall stalks. Plant with basal pinnate leaves & heads on tall stalks. A group of heads with yellow rays and dark disk flowers. A group of heads with yellow rays and dark disk flowers. 2 heads with yellow, drooping rays & dark disks. 2 heads with yellow, drooping rays & dark disks. Brown, elongate spheroid heads. Brown, elongate spheroid heads.
1 Cultivar/Variety

Ravenala madagascariensis

Traveller's Palm, Traveller's Tree
Form Form Form with large fan-like palm leaves in October in Colon, Panama Form with large fan-like palm leaves in October in Colon, Panama Bunched large flower pods in October. Pinellas County, Florida Bunched large flower pods in October. Pinellas County, Florida Strighy brown flowers emerging from flower pods. in September Strighy brown flowers emerging from flower pods. in September

Ravenea rivularis

Majestic Palm, Majesty Palm
Solitary, thick-trunk palm with pinnate leaves. Solitary, thick-trunk palm with pinnate leaves. Large, thick-trunked palm with pinnate leaves. Large, thick-trunked palm with pinnate leaves. Solitary, thick-trunk palm with pinnate leaves. Solitary, thick-trunk palm with pinnate leaves. A large cluster of small, white flowers. A large cluster of small, white flowers. Large clusters of small red fruits Large clusters of small red fruits

Reineckea carnea

Chinese Lucky Grass, False Mondo Grass, Ribbon Grass, Ribbon Lily
Form in bloom Form in bloom Form Form Flowers Flowers Flower detail Flower detail Fruit Fruit
4 Cultivars/Varieties

Renealmia

Ginger Lily, Shell Flower, Shell Ginger
Alpinia spp. Alpinia spp. Alpinia zerumbet Alpinia zerumbet Alpinia zerumbet Alpinia zerumbet Alpinia zerumbet Alpinia zerumbet

Reseda luteola

Dyer's Rocket, Weld, Wild Mignonette
Plants with spikes of small, yellowish green flowers. Plants with spikes of small, yellowish green flowers. Masses of plants with spikes of small, yellowish green flowers. Masses of plants with spikes of small, yellowish green flowers. Rosette plant with large strappy leaves Rosette plant with large strappy leaves First-year rosette with strappy leaves with undulate margins. First-year rosette with strappy leaves with undulate margins. Two spikes of small yellowish-green flowers. Two spikes of small yellowish-green flowers. Close-up of spike of small, yellowish green flowers. Close-up of spike of small, yellowish green flowers.

Reynoutria japonica

Asiatic Knotweed, Donkey Rhubarb, Fleeceflower, Japanese Bamboo, Japanese Knotweed
Plant in bloom Plant in bloom Form Form Leaves Leaves Alternate leaves Alternate leaves Flowers Flowers New fruits, white color. New fruits, white color.
1 Cultivar/Variety

Rhamnella franguloides

Rhamnella
Form in April in Qingdao, China Form in April in Qingdao, China Young leaves in April in Qingdao, China Young leaves in April in Qingdao, China Fruit in July in Zhejiang, China Fruit in July in Zhejiang, China Fruit in September in Zhejiang, China Fruit in September in Zhejiang, China

Rhamnus

Buckthorn
Form in October in Ontario, Canada Form in October in Ontario, Canada Fruit & Leaves in October in Merkez, Turkey Fruit & Leaves in October in Merkez, Turkey
3 Cultivars/Varieties

Rhamnus cathartica

Common Buckthorn, European Buckthorn, Purging Buckthorn
Form Form Purple drupes Purple drupes Fruits in winter Fruits in winter Leaves and flowers Leaves and flowers Underside of leaf Underside of leaf Leaf detail Leaf detail

Rhaphidophora tetrasperma

Dwarf Monstera, Mini Monstera, Monstera Ginny, Philodendron Ginny, Philodendron Piccolo
potted plant with lobed leaves like Monstera deliciosa. potted plant with lobed leaves like Monstera deliciosa. Close-up on lobed leaves like Monstera deliciosa. Close-up on lobed leaves like Monstera deliciosa. Close-up of stem and the petioles which have papery margins. Close-up of stem and the petioles which have papery margins.
1 Cultivar/Variety

Rhaphiolepis indica

Indian Hawthorn
Cluster of white flowers with showy stamens that turn red. Cluster of white flowers with showy stamens that turn red. Rounded, dense shrub. Rounded, dense shrub. Rounded, dense shrub with brown, dried leaves. Rounded, dense shrub with brown, dried leaves. A planter with 3 small, low mounding shrubs. A planter with 3 small, low mounding shrubs. Ovate, slightly serrate leaves & clusters of dark blue berries. Ovate, slightly serrate leaves & clusters of dark blue berries. Low hedge with bronzy leaves & clusters of white flowers. Low hedge with bronzy leaves & clusters of white flowers.
10 Cultivars/Varieties

Rhaphiolepis x delacourii

Indian Hawthorn, Rhaphiolepis
Flowers of 'Enchantress' Flowers of 'Enchantress' Flowers and leaves of 'Enchantress' Flowers and leaves of 'Enchantress' Fruit and leaves Fruit and leaves
4 Cultivars/Varieties

Rhaphiolepis x delacourii Snowcap® 'Corleyscourii'

Flower and Leaves Flower and Leaves

Rhapidophyllum hystrix

Needle Palm, Porcupine Palm
A shrub forming a mound of palmate leaves. A shrub forming a mound of palmate leaves. Color illustrations of the technical details of this species. Color illustrations of the technical details of this species. A shrub forming a mound of palmate leaves. A shrub forming a mound of palmate leaves. Palmate leaves on a long, slender petioles. Palmate leaves on a long, slender petioles. Leaf bases with long, erect, black needle-like spines. Leaf bases with long, erect, black needle-like spines. Cluster of small, white flowers among needle-like spines. Cluster of small, white flowers among needle-like spines.

Rhapis excelsa

Bamboo Palm, Braodleaf Lady Palm, Fan Tufted Palm, Lady Palm
Form Form Panicle bearing small white fruits Panicle bearing small white fruits Native habitat Native habitat stem stem Leaves Leaves

Rhaponticum repens

Russian Knapweed, Turkistan Thistle
Form in June on Volgograd, Russia Form in June on Volgograd, Russia Form in September in Nye County, Nevada Form in September in Nye County, Nevada Flowers, leaves and stem in November in Qarshi, Uzbekistan Flowers, leaves and stem in November in Qarshi, Uzbekistan Flower in September in Nye County, Nevada Flower in September in Nye County, Nevada Flower section in June in Uintah County, Utah Flower section in June in Uintah County, Utah Mature leaf in June on Volgograd, Russia Mature leaf in June on Volgograd, Russia

Rheum rhabarbarum

Pie Plant, Rhubarb
Form in July in Newfoundland, Canada Form in July in Newfoundland, Canada Leaf closeup in October in Christchurch, New Zealand Leaf closeup in October in Christchurch, New Zealand

Rhexia alifanus

Savanna Meadow Beauty, Smooth Meadow Beauty
Form Form Close up of flower Close up of flower Leaves Leaves Fruit Fruit Stems and leaves Stems and leaves

Rhexia lutea

Golden Meadow-beauty, Yellow Meadowbeauty
Flowers and buds Flowers and buds Form Form Native habitat Native habitat Leaves and stem Leaves and stem Fruit Fruit

Rhexia mariana

Maryland Meadow Beauty, Pale Meadow Beauty
Rhexia mariana flower with bee Rhexia mariana flower with bee Rhexia mariana flowers Rhexia mariana flowers Rhexia mariana and Ipomoea pandurata in summer in Moore County Rhexia mariana and Ipomoea pandurata in summer in Moore County Rhexia mariana seed pods in late summer Rhexia mariana seed pods in late summer Rhexia mariana flower close up Rhexia mariana flower close up Rhexia mariana in the summer Rhexia mariana in the summer

Rhexia petiolata

Ciliate Meadow-beauty
Flowers Flowers Close up of flower Close up of flower Form Form Leaves and stem Leaves and stem Fruit Fruit

Rhexia virginica

Handsome-harry, Meadow Beauty, Virginia Meadow-beauty
Rhexia virginica Rhexia virginica Rhexia virginica Rhexia virginica Rhexia virginica Rhexia virginica