Details for: 12E0100451, Rhododendron hybr., 'Roland'

Summary Data

Taxonomy:

Rhododendron hybr.

Cultivar:

'Roland'

Origin:

Origin – United Kingdom

Maintained:

The Silva Tarouca Research Institute for Landscape and Ornamental Gardening

Received by CRI:

1998

Improvement Status:

Advanced/improved cultivar

Life form:

Perennial

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 hybr.

Cultivar:

'Roland'

Origin:

Origin – United Kingdom

Maintained:

The Silva Tarouca Research Institute for Landscape and Ornamental Gardening

Received by CRI:

1998

Improvement Status:

Advanced/improved cultivar

Life form:

Perennial

Growth class:

flowers: perennial vegetatively propagated

Is Core:

Form Received:

Field collection

Source History

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

'Roland'

Type: Cultivar name

Rhododendron hybrid cultivars

Type: Full taxon

Narrative

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

Rhododendron hybr.

Genus:

Rhododendron

Family:

Ericaceae

Subfamily:

Ericoideae

Tribe:

Rhodoreae

Nomen number:

300507

Comment:

interim designation used in GRIN for Rhododendron hybrids which lack an acceptable binomial

Verified:

November 02, 1990 by ARS Systematic Botanists.

Other conspecific taxa

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

Heterotypic Synonym(s)
Rhododendron ×gowenianum Sweet
Rhododendron ×pulchrum Sweet var. tebotan (Komatsu) Rehder
Rhododendron ×taylorii Dean
Rhododendron ×viscosepalum Rehder
Rhododendron ×viscosepalum Rehder var. daviesii Rehder
Rhododendron ×viscosepalum Rehder var. viscosepalum
Rhododendron macrostemon Maxim.
Rhododendron tebotan Komatsu

Common names

Annotations

Observations

Phenotype Data

Category	Descriptor	Description	Value	Study	Availability
BIOLOGY	112 Winter frost damage - leaves	Fig. 11	3 - low, damaged up to 1/3 of lamina	2004 Research Institute of Ornamental Gardening Pruhonice	Out of Season
BIOLOGY	113 Winter frost damage - flower buds	113 Winter frost damage - flower buds	7 - high, about 2/3 buds opened or were deformed	2004 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	001 Plant - persistence of leaves	001 Plant - persistence of leaves	3 - evergreen	2003 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	002 Plant - density of branches and foliage	002 Plant - density of branches and foliage	5 - intermediate	2003 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	003 Plant - habit	Fig. 1	3 - erect > 1,2	2003 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	3 - elliptic	2003 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	7 - long 10,1 -14 (cm)	2003 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	023 Inflorescence - attitude on the shoot	Fig. 3	1 - terminal	2004 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	024 Inflorescence - number of flowers	024 Inflorescence - number of flowers	7 - high 11- 15	2004 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	026 Flower - shape of flower bud	Fig. 5	5 - ovate	2003 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	028 Flower - funnel-shaped	Fig. 6	1 - funnel-shaped	2004 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	2004 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	036 Flower - type of the flower	Fig. 8	1 - single	2004 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	037 Flower - corolla undulation of margins	037 Flower - corolla undulation of margins	3 - weak	2004 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	2004 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	2004 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	2004 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	0 - absent	2004 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	2004 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	0 - absent	2004 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	2004 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	2004 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	5 - medium deep R.H.S. - B	2004 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	064 Flower - supplemental colour on inner side	064 Flower - supplemental colour on inner side	7 - purple	2004 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	2004 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	2004 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	2004 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	2004 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	2004 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	2004 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	2004 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	7 - deep R.H.S. - A	2004 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	088 Flower - supplemental colour on outer side	088 Flower - supplemental colour on outer side	6 - red	2004 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	5 - middle part	2004 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	099 The ratio pistil : stamens length	099 The ratio pistil : stamens length	6 - pistil longer	2004 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	101 Pistil - uniformity of style colour	101 Pistil - uniformity of style colour	1 - unified	2004 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	102 Pistil - unifed colour of style	102 Pistil - unifed colour of style	4 - pink	2004 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	103 Pistil - double colour of style	103 Pistil - double colour of style	0 - absent	2004 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.	2004 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	111 Flower - fragrance	111 Flower - fragrance	0 - absent	2004 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	2004 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)	4 - moderate / strong purplish red, deep purplish pink R.H.S. 64	2004 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	2004 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	2 - edge broad	2004 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	2004 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	2004 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	2004 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	2004 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	2004 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)	4 - moderate / strong purplish red, deep purplish pink R.H.S. 64	2004 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	2004 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	2004 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	081 Flower - violet colour on outer side	081 Flower - violet colour on outer side	0 - absent	2004 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	090 Flower - presence of design	090 Flower - presence of design	1 - present	2004 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	092 Flower - distinctness of design	092 Flower - distinctness of design	7 - strong	2004 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	093 Flower - location of design	Fig. 9	1 - upper middle lobe	2004 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	094 Flower - type of design	Fig. 10	4 - combined	2004 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	104 Stamens - number	104 Stamens - number	5 - intermediate constant 10	2004 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	105 Stamens - colour of ripe anthers	105 Stamens - colour of ripe anthers	0 - white	2004 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	106 Stamens - colour of filaments	106 Stamens - colour of filaments	2 - different in lower and upper parts	2004 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	107 Stamens - colour of filaments unified	107 Stamens - colour of filaments unified	0 - absent	2004 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	108 Stamens - double colour of filaments	108 Stamens - double colour of filaments	4 - white, up purple	2004 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	004 Plant - height	In 10 years of age	7 - high 91-120 (cm)	2013 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	005 Shoot - colour in the upper part	Sprouting shoot	3 - light green	2003 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	006 Shoot - indumentum	Sprouting shoot	3 - sparse hairs	2003 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	7 - broad 4,1- 6 (cm)	2003 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)	2003 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	2003 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	3 - medium green	2003 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	2003 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	9 - very large > 11 (cm)	2004 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	031 Flower - length of peduncle	031 Flower - length of peduncle	5 - intermediate 2,5 - 4 (cm)	2004 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	032 Flower - presence of calyx	032 Flower - presence of calyx	0 - absent	2004 Research Institute of Ornamental Gardening Pruhonice	Out of Season
MORPHOLOGY	040 Flower - incision of corolla margin	040 Flower - incision of corolla margin	7 - deep > 1/2	2004 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	5 - the same	2004 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	2004 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	2004 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	2004 Research Institute of Ornamental Gardening Pruhonice	Out of Season