Index

R. caliginis

Species

Subgenus: Rhododendron
Section: Vireya
Subsection: Euvireya

R. 'Caliph'

Rhododendron Hybrid

? X ?

Hybridized By: Rothschild, L. de. Founder of Exbury Gardens, UK, 1935

R. 'Callagold'

Rhododendron Hybrid

R. dichroanthum ssp dichroanthum X R. wardii var wardii

Hybridized By: Henny, Rudolph. Brooks, Oregon, USA, 1963

R. 'Callendarianum'

Rhododendron Hybrid

? X ?

Hybridized By: No hybridiser registered, 1860

R. 'Callight'

Rhododendron Hybrid

R. calophytum var calophytum X R. 'Neon Light'

Hybridized By: Van de Ven K.. Olinda, Victoria, Australia, 1973

R. callimorphum var callimorphum

Species

Subgenus: Hymenanthes
Section: Pontica
Subsection: Campylocarpa

R. callimorphum var callimorphum 'Second Attempt'

Rhododendron Species Selection

Selected By: Crown Estate Commissioners , Windsor, Berkshire , England, 1980

Subgenus: Hymenanthes
Section: Pontica
Subsection: Campylocarpa

R. callimorphum var myiagrum

Species

Subgenus: Hymenanthes
Section: Pontica
Subsection: Campylocarpa

R. 'Calliope'

Rhododendron Hybrid

R. caucasicum X ?

Hybridized By: Van Houtte, L. B. (Louis Benoit). Gentbrugge, Belgium, 1870

R. 'Callirhoe Group'

Rhododendron Cultivar group

R. 'Doctor Stocker' X R. arboreum ssp arboreum

Hybridized By: Magor, E.J.P.. Lamellan, St. Tudy, Cornwall, England, 1918

R. 'Callisto'

Rhododendron Hybrid

? X ?

Hybridized By: Standish & Noble. Bagshot, Surrey, England, 1870

R. 'Calocoryphe'

Azalea Hybrid

? X ?

Hybridized By: Gowen, J.R., 1829

R. 'Calodendron'

Azalea Hybrid

? X ?

Hybridized By: Gowen, J.R., 1829

R. 'Calomina Group'

Rhododendron Cultivar group

? X ?

Hybridized By: Lady Loder, 1934

R. 'Calophyllum'

Rhododendron Hybrid

? X ?

Hybridized By: Leroy, A.. Angers, France, 1868

R. calophytum ssp jinfuense

Species

Subgenus: Hymenanthes
Section: Pontica
Subsection: Fortunea

R. calophytum var calophytum

Species

Subgenus: Hymenanthes
Section: Pontica
Subsection: Fortunea

R. calophytum var calophytum 'Cindy Louise'

Rhododendron Species Selection

Selected By: Unknown

Subgenus: Hymenanthes
Section: Pontica
Subsection: Fortunea

R. calophytum var openshawianum

Species

Subgenus: Hymenanthes
Section: Pontica
Subsection: Fortunea

R. 'calophytum x Grisette'

Rhododendron Hybrid

R. calophytum var calophytum X R. 'Grisette Group'

Hybridized By: No hybridiser registered

R. 'calophytum x King of Shrubs'

Rhododendron Hybrid

R. calophytum var calophytum X R. 'King of Shrubs'

Hybridized By: Watson, E.M. Mrs. (Elsie). Kirkland, WA, USA

R. 'calophytum x rothschildii'

Rhododendron Hybrid

R. calophytum var calophytum X R. rothschildii

Hybridized By: No hybridiser registered

R. 'calophytum x Sarita Loder Group'

Rhododendron Hybrid

R. calophytum var calophytum X R. 'Sarita Loder Group'

Hybridized By: Unknown

R. 'calophytum x sutchuense'

Rhododendron Hybrid

R. calophytum var calophytum X R. sutchuenense

Hybridized By: No hybridiser registered

R. 'Calos'

Rhododendron Hybrid

R. 'Purple Lace' X R. 'Mary Garrison'

Hybridized By: Rhein, W.L.. Mechanicsburg, Pennsylvania, USA

R. calosanthes

Species

Subgenus: Rhododendron
Section: Vireya
Subsection: Euvireya

R. 'Calostephane'

Azalea Hybrid

? X ?

Hybridized By: Gowen, J.R., 1829

R. calostrotum Calciphilum Group

Species

Subgenus: Rhododendron
Section: Rhododendron
Subsection: Saluenensia

R. calostrotum ssp calostrotum

Species

Subgenus: Rhododendron
Section: Rhododendron
Subsection: Saluenensia

R. calostrotum ssp calostrotum 'Gigha'

Rhododendron Species Selection

Selected By: Unknown

Subgenus: Rhododendron
Section: Rhododendron
Subsection: Saluenensia

R. calostrotum ssp calostrotum 'Rock'

Rhododendron Species Selection

Selected By: Unknown

Subgenus: Rhododendron
Section: Rhododendron
Subsection: Saluenensia

R. calostrotum ssp keleticum

Species

Subgenus: Rhododendron
Section: Rhododendron
Subsection: Saluenensia

R. calostrotum ssp keleticum Radicans Group

Species

Subgenus: Rhododendron
Section: Rhododendron
Subsection: Saluenensia

R. calostrotum ssp riparioides

Species

Subgenus: Rhododendron
Section: Rhododendron
Subsection: Saluenensia

R. calostrotum ssp riparium

Species

Subgenus: Rhododendron
Section: Rhododendron
Subsection: Saluenensia

R. 'Calotum Group'

Rhododendron Cultivar group

? X ?

Hybridized By: France, 1934

R. 'Calrose Group'

Rhododendron Cultivar group

R. calophytum var calophytum X R. griersonianum

Hybridized By: Aberconway, Lord. Bodnant, Tal-y-Cafn, Wales, 1929

R. 'Calsap'

Rhododendron Hybrid

R. catawbiense 'Catalgla' X R. 'Sappho'

Hybridized By: Michener, M.W., 1965

R. 'Calstocker Group'

Rhododendron Cultivar group

R. calophytum var calophytum X R. 'Doctor Stocker'

Hybridized By: Whitaker W.J., 1935

R. 'Calsutch Group'

Rhododendron Hybrid

R. calophytum var calophytum X R. sutchuenense

Hybridized By: Leonardslee Gardens Nursery, 1988

R. 'Caltwins'

Rhododendron Hybrid

R. catawbiense 'Catalgla' X R. 'Pink Twins'

Hybridized By: Delp Weldon E.. Harrisville, Pensylvania, USA, 1990

R. 'Calusa'

Azalea Hybrid

R. 'Helen Close' X R. 'Purple Splendor'

Hybridized By: Guttormsen, W.L. | Greenwood Gardens, Canby, Oregon | USA, 1969

R. 'Calusa Indian'

Azalea Hybrid

R. scabrum ssp scabrum X R. 'Harris Fascination'

Hybridized By: Shaw, J., 1988

R. 'Calvin Anthony'

Rhododendron Hybrid

R. 'Vicki Reine' X R. 'Lord Roberts'

Hybridized By: Stockman, M.. Port Angeles, Washington, USA, 1989

R. 'Calyciflorum'

Azalea Hybrid

? X ?

Hybridized By: Veitch & Son, J. | Royal Exotic Nurseries, Chelsea, London | England

R. 'Calypso'

Azalea Hybrid

? X ?

Hybridized By: Garrett, J. & D.

R. 'Calypso Group'

Rhododendron Cultivar group

? X ?

Hybridized By: Magor, E.J.P.. Lamellan, St. Tudy, Cornwall, England

R. 'Caman Group'

Rhododendron Cultivar group

R. campylocarpum ssp campylocarpum X R. beanianum

Hybridized By: Aberconway, Lord. Bodnant, Tal-y-Cafn, Wales, 1937

R. 'Camay'

Rhododendron Hybrid

R. degronianum ssp yakushimanum X R. 'Chlorops'

Hybridized By: Clarke, George.W.. Portland Oregon, USA, 1992

R. camelliiflorum

Species

Subgenus: Rhododendron
Section: Rhododendron
Subsection: Camelliiflora

R. 'Cameo Frost'

Rhododendron Hybrid

R. 'Lem's Cameo' X R. 'Coker's Pink'

Hybridized By: Sligh, B.. Lyttelton, New Zealand, 1983