Details for: 12E0100029, Rhododendron ponticum L., 'Arthur Bedford'

Summary Data

Taxonomy:

Rhododendron ponticum L.

Cultivar:

'Arthur Bedford'

Origin:

Origin – United Kingdom

Maintained:

The Silva Tarouca Research Institute for Landscape and Ornamental Gardening

Received by CRI:

1970

Improvement Status:

Advanced/improved cultivar

Life form:

Shrub

Growth class:

flowers: perennial vegetatively propagated

Is Core:

Form Received:

Field collection

Availability

The item(s) is/are currently not available; request when available, as shown:
Cutting: November 01 - March 31

curator must confirm the availability

There are no images for this accession.

Core Passport Data

Taxonomy:

Rhododendron ponticum L.

Cultivar:

'Arthur Bedford'

Origin:

Origin – United Kingdom

Maintained:

The Silva Tarouca Research Institute for Landscape and Ornamental Gardening

Received by CRI:

1970

Improvement Status:

Advanced/improved cultivar

Life form:

Shrub

Growth class:

flowers: perennial vegetatively propagated

Is Core:

Form Received:

Field collection

Source History

Donated

Donator(s):

GBR038, The Royal Horticultural Society's Garden

Accession Group(s)

Group name: Pěnišník, růže sadové
Note: Rhododendron, Rosa
To search for accessions in this group, click the following link. Pěnišník, růže sadové

Accession Names and Identifiers

'Arthur Bedford'

Type: Cultivar name

Rhododendron ponticum hybr. group

Type: Full taxon

Narrative

Curator: Lenka Kašparová, The Silva Tarouca Research Institute for Landscape and Ornamental Gardening (CZE079) Lenka.Kasparova@vukoz.cz

Rhododendron ponticum L.

Genus:

Rhododendron

Subgenus:

Hymenanthes

Section:

Ponticum

Family:

Ericaceae

Subfamily:

Ericoideae

Tribe:

Rhodoreae

Nomen number:

31511

Place of publication:

Sp. pl. ed. 2, 1:562. 1762

Protologue link:

https://biodiversitylibrary.org/page/11629016

Typification:

View in Linnean Typification Project

Verified:

May 19, 1998 by ARS Systematic Botanists.

Other conspecific taxa

Autonyms (not in current use), synonyms and invalid designations

Heterotypic Synonym(s)
Rhododendron azaleoides hort. ex Dum. Cours.

Common names

LANGUAGE	NAME	SEQ	CITATION
English	common rhododendron	1	Cooper, M. R. & A. W. Johnson. 1998. Poisonous plants and fungi in Britain: animal and human poisoning
English	Pontian rhododendron	1	Duke, J. A. et al. 2002. CRC Handbook of medicinal herbs
English	rhododendron	1	Botanical Society of the British Isles. BSBI taxon database (on-line resource).
Swedish	pontisk rododendron	2	Aldén, B., S. Ryman, & M. Hjertson. 2012. Svensk Kulturväxtdatabas, SKUD (Swedish Cultivated and Utility Plants Database; online resource)

Annotations

Observations

Phenotype Data

Category	Descriptor	Description	Value	Study	Availability
BIOLOGY	112 Winter frost damage - leaves	Fig. 11	0 - damage not found	2002 Research Institute of Ornamental Gardening Pruhonice	Out of Season
BIOLOGY	113 Winter frost damage - flower buds	113 Winter frost damage - flower buds	0 - not found, all buds opened	2002 Research Institute of Ornamental Gardening Pruhonice	Out of Season
BIOLOGY	117 Susceptibility to Phytophtora sp.	Without inoculation in monoculture	3 - low	2002 Research Institute of Ornamental Gardening Pruhonice	Out of Season
BIOLOGY	118 Susceptibility to feeding Otiorrhynchus sp.	Without inoculation in monoculture	5 - intermediate	2002 Research Institute of Ornamental Gardening Pruhonice	Out of Season
BIOLOGY	119 Susceptibility to Exobasidium rhododenri and E. japonicum	Without inoculation in monoculture	7 - high	2002 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	001 Plant - persistence of leaves	001 Plant - persistence of leaves	3 - evergreen	2002 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	002 Plant - density of branches and foliage	002 Plant - density of branches and foliage	7 - compact	2002 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	003 Plant - habit	Fig. 1	5 - rounded to spreading 1,2 – 0,6	2002 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	009 Young leaf - waxy bloom on the upper side	Young leaves are observed as soon as they have reached full size	3 - weak	2004 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	010 Young leaf - pubescence on the upper side	Young leaves are observed as soon as they have reached full size	0 - hairless	2004 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	011 Young leaf - pubescence on the lower side	Young leaves are observed as soon as they have reached full size	0 - hairless	2004 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	012 Mature leaf - blade shape	Fig. 2 / Matured leaves are observed at the time of end of growth	2 - oblong	2002 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	013 Mature leaf - blade length	Matured leaves are observed at the time of end of growth	9 - very long > 14 (cm)	2002 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	023 Inflorescence - attitude on the shoot	Fig. 3	1 - terminal	2002 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	024 Inflorescence - number of flowers	024 Inflorescence - number of flowers	7 - high 11- 15	2002 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	025 Inflorescence - shape (cultivars with more than 6 flowers)	Fig. 4	3 - elongate spherical	2002 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	026 Flower - shape of flower bud	Fig. 5	5 - ovate	2002 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	028 Flower - funnel-shaped	Fig. 6	9 - saucer-shaped	2002 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	035 Flower - number of corolla lobes	035 Flower - number of corolla lobes	3 - low 5	2002 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	036 Flower - type of the flower	Fig. 8	1 - single	2002 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	037 Flower - corolla undulation of margins	037 Flower - corolla undulation of margins	3 - weak	2002 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	038 Flower - colour of corolla edges in comparison with flower colour	038 Flower - colour of corolla edges in comparison with flower colour	7 - darker	2002 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	039 Flower - colour stability (comparison old and young flower)	039 Flower - colour stability (comparison old and young flower)	3 - lighter	2002 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	045 Flower - yellow orange colour on inner side	045 Flower - yellow orange colour on inner side	0 - absent	2005 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	046 Flower - orange colour on inner side	046 Flower - orange colour on inner side	0 - absent	2005 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	048 Flower - orange red colour on inner side	048 Flower - orange red colour on inner side	4 - vivid reddish orange, strong / moderate yellowish pink R.H.S. 33	2002 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	049 Flower - red colour on inner side (light to medium deep tones)	049 Flower - red colour on inner side (light to medium deep tones)	0 - absent	2002 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	050 Flower - red colour on inner side (medium deep tones)	050 Flower - red colour on inner side (medium deep tones)	0 - absent	2004 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	057 Flower - violet colour on inner side	057 Flower - violet colour on inner side	2 - strong / light / very pale purple R.H.S. 84	2005 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	058 Flower - violet blue colour on inner side	058 Flower - violet blue colour on inner side	0 - absent	2002 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	060 Flower - blue colour on inner side	060 Flower - blue colour on inner side	0 - absent	2005 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	063 Flower - deepness of colour on inner side	063 Flower - deepness of colour on inner side	3 - light R.H.S. - C	2005 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	064 Flower - supplemental colour on inner side	064 Flower - supplemental colour on inner side	0 - absent	2005 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	070 Flower - orange colour on outer side	070 Flower - orange colour on outer side	0 - absent	2005 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	072 Flower - orange red colour on outer side	072 Flower - orange red colour on outer side	0 - absent	2005 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	073 Flower - red colour on outer side (light to medium deep tones)	073 Flower - red colour on outer side (light to medium deep tones)	0 - absent	2005 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	074 Flower - red colour on outer side (medium deep tones)	074 Flower - red colour on outer side (medium deep tones)	0 - absent	2005 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	075 Flower - red colour on outer side (deep tones)	075 Flower - red colour on outer side (deep tones)	0 - absent	2005 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	082 Flower - violet blue colour on outer side	082 Flower - violet blue colour on outer side	0 - absent	2005 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	084 Flower - blue color on outer side	084 Flower - blue color on outer side	0 - absent	2005 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	087 Flower - deepness of colour on outer side	087 Flower - deepness of colour on outer side	3 - light R.H.S. - C	2005 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	088 Flower - supplemental colour on outer side	088 Flower - supplemental colour on outer side	8 - violet	2002 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	089 Flower - arrangement of supplemental colour on outer side	089 Flower - arrangement of supplemental colour on outer side	4 - midrib of lobes	2002 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	099 The ratio pistil : stamens length	099 The ratio pistil : stamens length	7 - pistil twice longer	2005 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	100 Pistil - stigma colour	100 Pistil - stigma colour	3 - green	2005 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	101 Pistil - uniformity of style colour	101 Pistil - uniformity of style colour	1 - unified	2002 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	102 Pistil - unifed colour of style	102 Pistil - unifed colour of style	6 - green	2005 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	103 Pistil - double colour of style	103 Pistil - double colour of style	0 - absent	2005 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	109 Flower - time of beginning of flowering	Comparative varieties: 2. ‘Bouzov’, 3. ‘Alena’, 4. ‘Motýl’, 5. ‘Catawbiense Grandiflorum’, 7 ‘James Burchett’. Specific values (time period) valid for central Bohemian mesophyticum (Průhonice).	5 - medium 16.5.-30.6.	2002 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	111 Flower - fragrance	111 Flower - fragrance	3 - weak	2005 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	051 Flower - red colour on inner side (deep tones)	051 Flower - red colour on inner side (deep tones)	0 - absent	2004 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	052 Flower - red purple colour on inner side (light tones)	052 Flower - red purple colour on inner side (light tones)	0 - absent	2005 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	054 Flower - red purple colour on inner side (deep tones)	054 Flower - red purple colour on inner side (deep tones)	0 - absent	2005 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	055 Flower - purple colour on inner side	055 Flower - purple colour on inner side	0 - absent	2004 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	056 Flower - purple violet colour on inner side	056 Flower - purple violet colour on inner side	0 - absent	2005 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	065 Flower - arrangement of supplemental colour on inner side	065 Flower - arrangement of supplemental colour on inner side	0 - absent	2005 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	066 Flower - white colour on outer side	066 Flower - white colour on outer side	0 - absent	2005 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	067 Flower - yellow colour on outer side (light tones)	067 Flower - yellow colour on outer side (light tones)	0 - absent	2005 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	068 Flower - yellow colour on outer side (deep tones)	068 Flower - yellow colour on outer side (deep tones)	0 - absent	2005 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	069 Flower - yellow orange colour on outer side	069 Flower - yellow orange colour on outer side	0 - absent	2005 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	076 Flower - red purple colour on outer side (light tones)	076 Flower - red purple colour on outer side (light tones)	0 - absent	2005 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	078 Flower - red purple colour on outer side (deep tones)	078 Flower - red purple colour on outer side (deep tones)	0 - absent	2005 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	079 Flower - purple colour on outer side	079 Flower - purple colour on outer side	0 - absent	2005 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	080 Flower - purple violet colour on outer side	080 Flower - purple violet colour on outer side	0 - absent	2005 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	081 Flower - violet colour on outer side	081 Flower - violet colour on outer side	2 - strong / light / very pale purple R.H.S. 84	2005 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	090 Flower - presence of design	090 Flower - presence of design	1 - present	2002 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	092 Flower - distinctness of design	092 Flower - distinctness of design	7 - strong	2002 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	093 Flower - location of design	Fig. 9	2 - upper three lobes	2005 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	094 Flower - type of design	Fig. 10	5 - blotch	2005 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	104 Stamens - number	104 Stamens - number	5 - intermediate constant 10	2002 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	105 Stamens - colour of ripe anthers	105 Stamens - colour of ripe anthers	8 - light brown	2002 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	106 Stamens - colour of filaments	106 Stamens - colour of filaments	1 - unified	2002 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	107 Stamens - colour of filaments unified	107 Stamens - colour of filaments unified	1 - white	2002 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	004 Plant - height	In 10 years of age	7 - high 91-120 (cm)	2002 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	005 Shoot - colour in the upper part	Sprouting shoot	8 - purple	2004 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	006 Shoot - indumentum	Sprouting shoot	0 - hairless	2004 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	007 Young leaf - colour of upper side	Young leaves are observed as soon as they have reached full size	2 - light green	2004 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	008 Young leaf - colour of lower side	Young leaves are observed as soon as they have reached full size	2 - light green	2004 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	014 Mature leaf - blade width	Matured leaves are observed at the time of end of growth	9 - very broad > 6 (cm)	2002 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	015 Mature leaf - petiole length	Matured leaves are observed at the time of end of growth	5 - intermediate 1,5- 3 (cm)	2002 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	018 Mature leaf - indumentum on the lower side	Matured leaves are observed at the time of end of growth	0 - hairless	2002 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	019 Mature leaf - colour of upper side	Matured leaves are observed at the time of end of growth	4 - dark green	2002 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	021 Mature leaf - colour of lower side	Matured leaves are observed at the time of end of growth	1 - whitish green	2002 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	029 Flower - campanulate shape	Fig. 7	0 - absent	2004 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	030 Flower - diameter	Maximal value at open flower	5 - intermediate 4,1 - 7 (cm)	2002 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	031 Flower - length of peduncle	031 Flower - length of peduncle	3 - short 0,5 - 1,5 (cm)	2005 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	032 Flower - presence of calyx	032 Flower - presence of calyx	0 - absent	2002 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	040 Flower - incision of corolla margin	040 Flower - incision of corolla margin	5 - intermediate 1/3 - 1/2	2002 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	041 Flower - inner colour of base in comparison with flower colour	041 Flower - inner colour of base in comparison with flower colour	3 - lighter	2002 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	042 Flower - white colour on inner side	042 Flower - white colour on inner side	0 - absent	2004 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	043 Flower - yellow colour on inner side (light tones)	043 Flower - yellow colour on inner side (light tones)	0 - absent	2005 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	044 Flower - yellow colour on inner side (deep tones)	044 Flower - yellow colour on inner side (deep tones)	0 - absent	2005 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	097 Flower - colour of design (dark colours)	Type variety ‘Humboldt’. Colour observation 1 – 2 days after full bloom of the flower.	4 - purple brown	2002 Research Institute of Ornamental Gardening Pruhonice	Out of Season
PHYSIOLOGY	122 Reproducibility - cutting	122 Reproducibility - cutting	3 - poorly rooted 10-24%	Research Institute of Ornamental Gardening Pruhonice	Out of Season
PHYSIOLOGY	123 Reproducibility - grafting	On the rootstock ‘Cunningham´s White’	5 - intermediate affinity	Research Institute of Ornamental Gardening Pruhonice	Out of Season
PHYSIOLOGY	124 Reproducibility - in vitro	124 Reproducibility - in vitro	7 - high	Research Institute of Ornamental Gardening Pruhonice	Out of Season