Details for: 12E0100052, Rhododendron hybr., 'Gudrun'

Summary Data

Taxonomy:

Rhododendron hybr.

Cultivar:

'Gudrun'

Origin:

Origin – Germany

Maintained:

The Silva Tarouca Research Institute for Landscape and Ornamental Gardening

Received by CRI:

1972

Improvement Status:

Advanced/improved cultivar

Life form:

Perennial

Growth class:

flowers: perennial vegetatively propagated

Is Core:

Form Received:

Field collection

Availability

Form	Quantity	Note	Inventory	Cart
Cutting	2 cuttings		12E0100052

Note: When you select cuttings, you will receive unrooted cuttings, not rooted plants, unless specific arrangements have been made with the curator.
curator must confirm the availability

There are no images for this accession.

Core Passport Data

Taxonomy:

Rhododendron hybr.

Cultivar:

'Gudrun'

Origin:

Origin – Germany

Maintained:

The Silva Tarouca Research Institute for Landscape and Ornamental Gardening

Received by CRI:

1972

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

'Gudrun'

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
BIOLOGY	112 Winter frost damage - leaves	Fig. 11	1 - very low, damaged on tips or margins	2002 Research Institute of Ornamental Gardening Pruhonice
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
BIOLOGY	118 Susceptibility to feeding Otiorrhynchus sp.	Without inoculation in monoculture	3 - low	2002 Research Institute of Ornamental Gardening Pruhonice
MORPHOLOGY	001 Plant - persistence of leaves	001 Plant - persistence of leaves	3 - evergreen	2002 Research Institute of Ornamental Gardening Pruhonice
MORPHOLOGY	002 Plant - density of branches and foliage	002 Plant - density of branches and foliage	7 - compact	2002 Research Institute of Ornamental Gardening Pruhonice
MORPHOLOGY	003 Plant - habit	Fig. 1	5 - rounded to spreading 1,2 – 0,6	2002 Research Institute of Ornamental Gardening Pruhonice
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
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
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
MORPHOLOGY	012 Mature leaf - blade shape	Fig. 2 / Matured leaves are observed at the time of end of growth	3 - elliptic	2002 Research Institute of Ornamental Gardening Pruhonice
MORPHOLOGY	013 Mature leaf - blade length	Matured leaves are observed at the time of end of growth	7 - long 10,1 -14 (cm)	2002 Research Institute of Ornamental Gardening Pruhonice
MORPHOLOGY	023 Inflorescence - attitude on the shoot	Fig. 3	1 - terminal	2002 Research Institute of Ornamental Gardening Pruhonice
MORPHOLOGY	024 Inflorescence - number of flowers	024 Inflorescence - number of flowers	7 - high 11- 15	2002 Research Institute of Ornamental Gardening Pruhonice
MORPHOLOGY	025 Inflorescence - shape (cultivars with more than 6 flowers)	Fig. 4	5 - spherical	2002 Research Institute of Ornamental Gardening Pruhonice
MORPHOLOGY	026 Flower - shape of flower bud	Fig. 5	3 - ovate sharpened	2002 Research Institute of Ornamental Gardening Pruhonice
MORPHOLOGY	035 Flower - number of corolla lobes	035 Flower - number of corolla lobes	3 - low 5	2002 Research Institute of Ornamental Gardening Pruhonice
MORPHOLOGY	036 Flower - type of the flower	Fig. 8	1 - single	2002 Research Institute of Ornamental Gardening Pruhonice
MORPHOLOGY	037 Flower - corolla undulation of margins	037 Flower - corolla undulation of margins	3 - weak	2002 Research Institute of Ornamental Gardening Pruhonice
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
MORPHOLOGY	039 Flower - colour stability (comparison old and young flower)	039 Flower - colour stability (comparison old and young flower)	5 - the same	2002 Research Institute of Ornamental Gardening Pruhonice
MORPHOLOGY	099 The ratio pistil : stamens length	099 The ratio pistil : stamens length	6 - pistil longer	2002 Research Institute of Ornamental Gardening Pruhonice
MORPHOLOGY	101 Pistil - uniformity of style colour	101 Pistil - uniformity of style colour	1 - unified	2002 Research Institute of Ornamental Gardening Pruhonice
MORPHOLOGY	102 Pistil - unifed colour of style	102 Pistil - unifed colour of style	3 - whitish green	2002 Research Institute of Ornamental Gardening Pruhonice
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
MORPHOLOGY	111 Flower - fragrance	111 Flower - fragrance	0 - absent	2002 Research Institute of Ornamental Gardening Pruhonice
MORPHOLOGY	090 Flower - presence of design	090 Flower - presence of design	1 - present	2002 Research Institute of Ornamental Gardening Pruhonice
MORPHOLOGY	092 Flower - distinctness of design	092 Flower - distinctness of design	9 - very strong	2002 Research Institute of Ornamental Gardening Pruhonice
MORPHOLOGY	093 Flower - location of design	Fig. 9	2 - upper three lobes	2002 Research Institute of Ornamental Gardening Pruhonice
MORPHOLOGY	094 Flower - type of design	Fig. 10	4 - combined	2002 Research Institute of Ornamental Gardening Pruhonice
MORPHOLOGY	104 Stamens - number	104 Stamens - number	4 - low variable 3 - 10	2002 Research Institute of Ornamental Gardening Pruhonice
MORPHOLOGY	105 Stamens - colour of ripe anthers	105 Stamens - colour of ripe anthers	8 - light brown	2002 Research Institute of Ornamental Gardening Pruhonice
MORPHOLOGY	106 Stamens - colour of filaments	106 Stamens - colour of filaments	1 - unified	2002 Research Institute of Ornamental Gardening Pruhonice
MORPHOLOGY	107 Stamens - colour of filaments unified	107 Stamens - colour of filaments unified	1 - white	2002 Research Institute of Ornamental Gardening Pruhonice
MORPHOLOGY	004 Plant - height	In 10 years of age	9 - very high >120 (cm)	2002 Research Institute of Ornamental Gardening Pruhonice
MORPHOLOGY	007 Young leaf - colour of upper side	Young leaves are observed as soon as they have reached full size	3 - medium green	2004 Research Institute of Ornamental Gardening Pruhonice
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
MORPHOLOGY	014 Mature leaf - blade width	Matured leaves are observed at the time of end of growth	7 - broad 4,1- 6 (cm)	2002 Research Institute of Ornamental Gardening Pruhonice
MORPHOLOGY	015 Mature leaf - petiole length	Matured leaves are observed at the time of end of growth	3 - short 0,5- 1,4 (cm)	2002 Research Institute of Ornamental Gardening Pruhonice
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
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
MORPHOLOGY	021 Mature leaf - colour of lower side	Matured leaves are observed at the time of end of growth	2 - yellow green	2002 Research Institute of Ornamental Gardening Pruhonice
MORPHOLOGY	029 Flower - campanulate shape	Fig. 7	1 - campanulate	2002 Research Institute of Ornamental Gardening Pruhonice
MORPHOLOGY	030 Flower - diameter	Maximal value at open flower	6 - intermediate to long 7,1 - 9 (cm)	2002 Research Institute of Ornamental Gardening Pruhonice
MORPHOLOGY	031 Flower - length of peduncle	031 Flower - length of peduncle	5 - intermediate 2,5 - 4 (cm)	2002 Research Institute of Ornamental Gardening Pruhonice
MORPHOLOGY	032 Flower - presence of calyx	032 Flower - presence of calyx	0 - absent	2002 Research Institute of Ornamental Gardening Pruhonice
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
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	2002 Research Institute of Ornamental Gardening Pruhonice
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
PHYSIOLOGY	122 Reproducibility - cutting	122 Reproducibility - cutting	7 - well rooted 60-79%	2002 Research Institute of Ornamental Gardening Pruhonice
PHYSIOLOGY	123 Reproducibility - grafting	On the rootstock ‘Cunningham´s White’	5 - intermediate affinity	2002 Research Institute of Ornamental Gardening Pruhonice
PHYSIOLOGY	124 Reproducibility - in vitro	124 Reproducibility - in vitro	7 - high	2002 Research Institute of Ornamental Gardening Pruhonice