Rhododendron Index

R. 'Prom Queen'

Rhododendron Hybrid

? x ?

Hybridized By: Anderson A.T. & S.A

R. 'Prometheus'

Rhododendron Hybrid

R. 'Michael Waterer' x R. 'Monitor'

R. 'Prometheus x forrestii Repens Group'

Rhododendron Hybrid

R. 'Prometheus' x R. forrestii Repens Group

R. 'Promise'

Rhododendron Hybrid

R. 'Kristin' x R. 'Madras'

Hybridized By: Smith, A.W.

R. 'Promise of Spring'

Rhododendron Hybrid

R. strigillosum x ?

Hybridized By: Lofthouse, J.G.

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R. 'Pronaya'

Evergreen Azalea Hybrid

? x ?

Hybridized By: Verschaffelt, A. (Alexander)

R. pronum

Species

Subgenus: Hymenanthes
Section: Pontica
Subsection: Taliensia

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R. 'Proserpine'

Deciduous Azalea Hybrid

? x ?

Hybridized By: Verschaffelt, A. (Alexander)

R. 'Prosper van den Dael'

Evergreen Azalea Hybrid

R. 'Fred Sander' x R. 'Docteur Bergmann'

Hybridized By: Gijselinck, A.

R. 'Prostigiatum'

Rhododendron Hybrid

? x ?

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R. 'Protad'

Rhododendron Hybrid

R. 'Mondnacht' x R. 'Hachmann's Kabarett'

Hybridized By: Hübbers, K-H.

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R. protandrum

Species

Subgenus: Rhododendron
Section: Vireya
Subsection: Euvireya

R. 'Proteo-pron'

Rhododendron Hybrid

R. proteoides x R. pronum

Hybridized By: Thompson’s Nursery

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R. proteoides

Species

Subgenus: Hymenanthes
Section: Pontica
Subsection: Taliensia

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R. 'Proteus'

Deciduous Azalea Hybrid

? x ?

Hybridized By: Waterer, H. (Knaphill)

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R. protistum var giganteum

Species

Subgenus: Hymenanthes
Section: Pontica
Subsection: Grandia

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R. protistum var giganteum 'Pukeiti'

Rhododendron Species Selection

R. protistum var protistum

Species

Subgenus: Hymenanthes
Section: Pontica
Subsection: Grandia

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R. 'Proud Cis'

Rhododendron Hybrid

R. 'Joan Langdon' x R. 'Rosabel x arboreum'

Hybridized By: Langdon, G.

R. 'Provincia di Biella'

Rhododendron Hybrid

? x ?

Hybridized By: Parco Burcina

R. 'Prudence'

Evergreen Azalea Hybrid

R. indicum x R. 'Momozono'

Hybridized By: Morrison, B.Y.

R. 'Pruhonice'

Rhododendron Hybrid

R. forrestii Repens Group x ?

Hybridized By: Kavka, B.

R. pruniflorum

Species

Subgenus: Rhododendron
Section: Rhododendron
Subsection: Glauca

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R. prunifolium

Species

Subgenus: Pentanthera
Section: Pentanthera
Subsection: Pentanthera

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R. prunifolium 'Hohman'

Rhododendron Species Selection

R. prunifolium 'John Connor'

Deciduous Azalea Species Selection

Selected By: Sommerville, E.A.

R. prunifolium 'S.D. Coleman'

Deciduous Azalea Species Selection

Selected By: Coleman, S.D.

R. 'prunifolium x serrulatum'

Deciduous Azalea Hybrid

R. prunifolium x R. viscosum Serrulatum Group

Hybridized By: Aromi, E.J

R. prunifolium 'Summer Sunset'

Rhododendron Species Selection

R. 'Pryored'

Evergreen Azalea Hybrid

? x ?

R. przewalskii ssp dabanshanense

Species

Subgenus: Hymenanthes
Section: Pontica
Subsection: Taliensia

R. przewalskii ssp przewalski

Species

Subgenus: Hymenanthes
Section: Pontica
Subsection: Taliensia

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R. psammogenes

Species

Subgenus: Rhododendron
Section: Vireya
Subsection: Euvireya

R. 'Pseudo Orange'

Rhododendron Hybrid

R. 'Whitney’s Orange' x R. pseudochrysanthum

Hybridized By: Brack, W. (Werner)

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R. pseudobuxifolium

Species

Subgenus: Rhododendron
Section: Vireya
Subsection: Euvireya

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R. pseudochrysanthum

Species

Subgenus: Hymenanthes
Section: Pontica
Subsection: Maculifera

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R. pseudochrysanthum 'Ben Nelson'

Rhododendron Species Selection

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R. 'pseudochrysanthum x Etta Burrows'

Rhododendron Hybrid

R. pseudochrysanthum x R. 'Etta Burrows'

R. pseudociliipes

Species

Subgenus: Rhododendron
Section: Rhododendron
Subsection: Maddenia

R. pseudonitens

Species

R. pseudotricanthum

Species

Subgenus: Rhododendron
Section: Vireya
Subsection: Euvireya

R. psilanthum

Species

Subgenus: Rhododendron
Section: Vireya
Subsection: Euvireya

R. 'Psyche'

Evergreen Azalea Hybrid

? x ?

Hybridized By: Felix & Dijkhuis

R. 'Psyche'

Deciduous Azalea Hybrid

? x ?

R. 'Ptarmigan'

Rhododendron Hybrid

R. leucaspis x R. orthocladum var microleucum

Hybridized By: Cox, Peter A.

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R. pubescens

Species

Subgenus: Rhododendron
Section: Rhododendron
Subsection: Scabrifolia

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R. 'Pubescens'

Deciduous Azalea Hybrid

? x ?

Hybridized By: Loddiges, C. & Sons

R. pubescens 'Fine Bristles'

Rhododendron Species Selection

Selected By: Crown Estate Commissioners

R. pubicostatum

Species

Subgenus: Hymenanthes
Section: Pontica
Subsection: Taliensia

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R. pubigermen

Species

Subgenus: Rhododendron
Section: Vireya
Subsection: Euvireya