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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

Rhipsalidopsis gaertneri

Easter Cactus, Holiday Cactus, Whitesun
Schlumbergera gaertneri Schlumbergera gaertneri Schlumbergera gaertneri Schlumbergera gaertneri Schlumbergera gaertneri Schlumbergera gaertneri Schlumbergera gaertneri Schlumbergera gaertneri
3 Cultivars/Varieties

Rhipsalidopsis rosea

Pink Star Cactus, Rose Easter Cactus
Schlumbergera rosea Schlumbergera rosea

Rhipsalis baccifera

Mistletoe Cacti, Mistletoe Cactus, Spaghetti Cactus
Rhipsalis baccifera Rhipsalis baccifera Rhipsalis baccifera Rhipsalis baccifera Rhipsalis baccifera Rhipsalis baccifera Rhipsalis baccifera Rhipsalis baccifera Rhipsalis baccifera Rhipsalis baccifera Rhipsalis baccifera Rhipsalis baccifera
1 Cultivar/Variety

Rhodochiton atrosanguineus

Purple Bells, Purple Bell Vine
Rhodochiton atrosanguineus Rhodochiton atrosanguineus Rhodochiton atrosanguineus Rhodochiton atrosanguineus Rhodochiton atrosanguineus Rhodochiton atrosanguineus

Rhododendron

Azalea, Rhododendron, Rosebay
Leaf branches and clusters of white flowers. Leaf branches and clusters of white flowers. Large, rounded shrub with clusters of pink flowers. Large, rounded shrub with clusters of pink flowers. A row of small, potted plants covered with crimson flowers. A row of small, potted plants covered with crimson flowers. Azalea with more flowers than leaves. Most flowers white & pink Azalea with more flowers than leaves. Most flowers white & pink Close-up of a cluster of pink Rhododendron-type flowers. Close-up of a cluster of pink Rhododendron-type flowers. Leafy branches; leaves with dusty pubescence over all surfaces Leafy branches; leaves with dusty pubescence over all surfaces
42 Cultivars/Varieties

Rhododendron alabamense

Alabama Azalea
Showy white flowers. Showy white flowers. Flowers and leaves. Flowers and leaves. Abundance of flowers that have a lemon scent. Abundance of flowers that have a lemon scent.

Rhododendron arborescens

Smooth Azalea, Sweet Azalea
Rhododendron arborescens Rhododendron arborescens Rhododendron arborescens Rhododendron arborescens Rhododendron arborescens Rhododendron arborescens
3 Cultivars/Varieties

Rhododendron atlanticum

Coastal Azalea, Dwarf Azalea
Rhododendron atlanticum Rhododendron atlanticum leaves leaves Form in flower. Form in flower.

Rhododendron austrinum

Florida Azalea
Rhododendron austrinum Rhododendron austrinum Rhododendron austrinum Rhododendron austrinum Rhododendron austrinum Rhododendron austrinum Rhododendron austrinum Rhododendron austrinum Rhododendron austrinum Rhododendron austrinum
3 Cultivars/Varieties

Rhododendron calendulaceum

Flame Azalea
Rhododendron calendulaceum Rhododendron calendulaceum Bright yellow flowers with long tubular corollas Bright yellow flowers with long tubular corollas Rhododendron calendulaceum Rhododendron calendulaceum Flame Azalea flower buds Flame Azalea flower buds Rhododendron calendulaceum Rhododendron calendulaceum Rhododendron calendulaceum Rhododendron calendulaceum
4 Cultivars/Varieties

Rhododendron canescens

Hoary Azalea, Mountain Azalea, Piedmont Azalea, Pinxter Flower, Southern Pinxter Azalea
Flower, stem and leaf Flower, stem and leaf Rhododendron canescens Rhododendron canescens Light pink funnel shaped flowers with showy stamens. Light pink funnel shaped flowers with showy stamens. Rhododendron canescens Rhododendron canescens Showy flowers appear in the spring. Showy flowers appear in the spring. Woodland setting Woodland setting
2 Cultivars/Varieties

Rhododendron catawbiense

Catawba Rhododendron, Mountain Rosebay, Purple Rhododendron, Rose Bay
Large showy flower clusters April on Evergreen shrub Large showy flower clusters April on Evergreen shrub Rhododendron catawbiense Rhododendron catawbiense Rhododendron catawbiense Rhododendron catawbiense Rhododendron catawbiense Rhododendron catawbiense Rhododendron catawbiense 'Boursault' Flower Rhododendron catawbiense 'Boursault' Flower Rhododendron catawbiense Rhododendron catawbiense
3 Cultivars/Varieties

Rhododendron catawbiense 'Roseum Elegans'

Rosem Rhododendron
Rhododendron catawbiense 'Roseum Elegans' Rhododendron catawbiense 'Roseum Elegans' Rhododendron catawbiense 'Roseum Elegans' Rhododendron catawbiense 'Roseum Elegans' Rhododendron catawbiense 'Roseum Elegans' Rhododendron catawbiense 'Roseum Elegans' Rhododendron catawbiense 'Roseum Elegans' Rhododendron catawbiense 'Roseum Elegans' Rhododendron catawbiense 'Roseum Elegans' Rhododendron catawbiense 'Roseum Elegans' Rhododendron catawbiense 'Roseum Elegans' Rhododendron catawbiense 'Roseum Elegans'

Rhododendron cumberlandense

Cumberland Azalea
Flowers Flowers Flowers Flowers Form Form Leaves Leaves Underside of leaf Underside of leaf Stem, leaves, flower Stem, leaves, flower

Rhododendron 'Dr. A. Blok'

Dr. A. Blok Rhododendron
Rhododendron 'Dr. A. Blok' flower in spring in Moore County Rhododendron 'Dr. A. Blok' flower in spring in Moore County Rhododendron 'Dr. A. Blok' in spring in Moore County Rhododendron 'Dr. A. Blok' in spring in Moore County

Rhododendron Encore® Group

Encore® Azalea
Rhododendron Encore Rhododendron Encore Young Encore Azalea plants in a group, surrounded by drip hose Young Encore Azalea plants in a group, surrounded by drip hose "Autumn Fire" Flowers "Autumn Fire" Flowers Form Form 'Roblez' - Azalea Autumn Fire 'Roblez' - Azalea Autumn Fire
32 Cultivars/Varieties

Rhododendron eriocarpum

Dwarf Indica (Gumpo) Azalea
Rhododendron eriocarpum Rhododendron eriocarpum Rhododendron eriocarpum Rhododendron eriocarpum

Rhododendron flammeum

Oconee Azalea, Piedmont Azalea
Form in bloom Form in bloom Rhododendron flammeum Rhododendron flammeum Rhododendron flammeum Rhododendron flammeum Rhododendron flammeum Rhododendron flammeum

Rhododendron 'Girard's Crimson'

Evergreen Azalea, Girard's Crimson Azalea
Rhododendron 'Girards Crimson' Flower and Leaf Rhododendron 'Girards Crimson' Flower and Leaf

Rhododendron hybrids

Exbury Azaleas, Ghent Azaleas, Knaphill Azaleas
Exbury white flower cluster Exbury white flower cluster Knaphill Homebush flower close-up Knaphill Homebush flower close-up Rhododendron Knaphill Apricot hybrid Rhododendron Knaphill Apricot hybrid Rhododendron Knaphill and Exbury hybrids Rhododendron Knaphill and Exbury hybrids Rhododendron Knaphill and Exbury hybrids Rhododendron Knaphill and Exbury hybrids

Rhododendron impeditum

Dwarf Purple Rhododendron, Dwarf Rhododendron, Impeditum Rhododendron
Leaves in October in Yunnan Province, China Leaves in October in Yunnan Province, China Leaf size in October in Yunnan Province, China Leaf size in October in Yunnan Province, China Flowers in October in Yunnan Province, China Flowers in October in Yunnan Province, China
1 Cultivar/Variety

Rhododendron indicum

Southern Indian Azalea
Rhododendron indicum Rhododendron indicum Flower - Fall - Moore Co., NC Flower - Fall - Moore Co., NC
3 Cultivars/Varieties

Rhododendron indicum 'Coral Bells'

Azalea 'Coral Bells', Coral Bells Azalea, Kurume hybrid
Rhododendron indicum 'Coral Bells' Rhododendron indicum 'Coral Bells' Rhododendron indicum 'Coral Bells' Rhododendron indicum 'Coral Bells' Rhododendron indicum 'Coral Bells' Rhododendron indicum 'Coral Bells' Rhododendron indicum 'Coral Bells' Rhododendron indicum 'Coral Bells' Rhododendron indicum 'Coral Bells' Rhododendron indicum 'Coral Bells' Rhododendron indicum 'Coral Bells' Rhododendron indicum 'Coral Bells'

Rhododendron kaempferi

Kaempferi Azalea, Torch Azalea
Rhododendron kaempferi Rhododendron kaempferi Rhododendron kaempferi Rhododendron kaempferi Rhododendron kaempferi Rhododendron kaempferi Rhododendron kaempferi Rhododendron kaempferi
4 Cultivars/Varieties

Rhododendron luteum

Honeysuckle Azalea, Pontic Azalea, Sweet Pontica Azalea, Yellow Azalea
Yellow azalea-like flower Yellow azalea-like flower Shrub with yellow azalea-like flowers Shrub with yellow azalea-like flowers Yellow azalea-like flowers Yellow azalea-like flowers Rhododendron luteum Rhododendron luteum shrub with ovate leaves. shrub with ovate leaves. Branch with clusters of yellow flowers & brown capsules. Branch with clusters of yellow flowers & brown capsules.
1 Cultivar/Variety

Rhododendron maximum

Great Rhododendron, Max, Rosebay Rhododendron, White Laurel
Rhododendron maximum Rhododendron maximum Rhododendron maximum Rhododendron maximum Rhododendron maximum Rhododendron maximum Rhododendron maximum Rhododendron maximum Rhododendron maximum Rhododendron maximum Rhododendron maximum Rhododendron maximum
8 Cultivars/Varieties

Rhododendron minus

Carolina Rhododendron, Dwarf Rhododendron, Minus, Piedmont Rhododendron, Punctatum
Rhododendron minus Rhododendron minus Rhododendron minus Rhododendron minus Flowers, stems, and leaves. Flowers, stems, and leaves. In flower In flower Stems and leaves Stems and leaves Clusters of showy flowers appear in the spring. Clusters of showy flowers appear in the spring.
5 Cultivars/Varieties