Details for: 12E0100123, Rhododendron hybr., 'Doktor h. c. Alexander Steffen'


Summary Data
Taxonomy:
Rhododendron hybr.
Cultivar:
'Doktor h. c. Alexander Steffen'
Origin:
Origin – unknown
Improvement Status:
Advanced/improved cultivar
Life form:
Perennial
Growth class:
flowers: perennial vegetatively propagated
Is Core:
N
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:
'Doktor h. c. Alexander Steffen'
Origin:
Origin – unknown
Improvement Status:
Advanced/improved cultivar
Life form:
Perennial
Growth class:
flowers: perennial vegetatively propagated
Is Core:
N
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
'Doktor h. c. Alexander Steffen'
Type: Cultivar name

Dr. h. c. Alexander Steffen
Type: Duplicate accession 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
Other Links
Actions
  • Curator Change: Previous: Jiřina RŮŽIČKOVÁ, Current: Lenka Kašparová. 13 Dec 2017.
  • Enter ECN Into System: . 13 Jan 1999.
Pathogens
Vouchers
Citations
Pedigree
Description:
unknown combination
Intellectual Property Rights
MLS. (Multi-Lateral System FAO item.)
MLS.
FAO Standard Material Transfer Agreement.

Observations

Phenotype Data

CategoryDescriptorDescriptionValueStudyInventoryAvailability
BIOLOGY119 Susceptibility to Exobasidium rhododenri and E. japonicumWithout inoculation in monoculture0 - infection not found2016 Research Institute of Ornamental Gardening_Rhododendron Out of Season
MORPHOLOGY001 Plant - persistence of leaves001 Plant - persistence of leaves3 - evergreen2016 Research Institute of Ornamental Gardening_Rhododendron Out of Season
MORPHOLOGY002 Plant - density of branches and foliage002 Plant - density of branches and foliage7 - compact2017 Research Institute of Ornamental Gardening_Rhododendron Out of Season
MORPHOLOGY003 Plant - habitFig. 15 - rounded to spreading 1,2 – 0,62017 Research Institute of Ornamental Gardening_Rhododendron Out of Season
MORPHOLOGY009 Young leaf - waxy bloom on the upper sideYoung leaves are observed as soon as they have reached full size3 - weak2017 Research Institute of Ornamental Gardening_Rhododendron Out of Season
MORPHOLOGY010 Young leaf - pubescence on the upper sideYoung leaves are observed as soon as they have reached full size0 - hairless2017 Research Institute of Ornamental Gardening_Rhododendron Out of Season
MORPHOLOGY011 Young leaf - pubescence on the lower sideYoung leaves are observed as soon as they have reached full size0 - hairless2017 Research Institute of Ornamental Gardening_Rhododendron Out of Season
MORPHOLOGY012 Mature leaf - blade shapeFig. 2 / Matured leaves are observed at the time of end of growth4 - broadly elliptic2017 Research Institute of Ornamental Gardening_Rhododendron Out of Season
MORPHOLOGY013 Mature leaf - blade lengthMatured leaves are observed at the time of end of growth7 - long 10,1 -14 (cm)2017 Research Institute of Ornamental Gardening_Rhododendron Out of Season
MORPHOLOGY023 Inflorescence - attitude on the shootFig. 31 - terminal2017 Research Institute of Ornamental Gardening_Rhododendron Out of Season
MORPHOLOGY025 Inflorescence - shape (cultivars with more than 6 flowers)Fig. 45 - spherical2017 Research Institute of Ornamental Gardening_Rhododendron Out of Season
MORPHOLOGY028 Flower - funnel-shapedFig. 62 - widely funnel-shaped2017 Research Institute of Ornamental Gardening_Rhododendron Out of Season
MORPHOLOGY035 Flower - number of corolla lobes035 Flower - number of corolla lobes3 - low 52017 Research Institute of Ornamental Gardening_Rhododendron Out of Season
MORPHOLOGY036 Flower - type of the flowerFig. 81 - single2017 Research Institute of Ornamental Gardening_Rhododendron Out of Season
MORPHOLOGY037 Flower - corolla undulation of margins037 Flower - corolla undulation of margins5 - medium2017 Research Institute of Ornamental Gardening_Rhododendron Out of Season
MORPHOLOGY039 Flower - colour stability (comparison old and young flower)039 Flower - colour stability (comparison old and young flower)3 - lighter2017 Research Institute of Ornamental Gardening_Rhododendron Out of Season
MORPHOLOGY045 Flower - yellow orange colour on inner side045 Flower - yellow orange colour on inner side0 - absent2017 Research Institute of Ornamental Gardening_Rhododendron Out of Season
MORPHOLOGY046 Flower - orange colour on inner side046 Flower - orange colour on inner side0 - absent2017 Research Institute of Ornamental Gardening_Rhododendron Out of Season
MORPHOLOGY048 Flower - orange red colour on inner side048 Flower - orange red colour on inner side0 - absent2017 Research Institute of Ornamental Gardening_Rhododendron Out of Season
MORPHOLOGY049 Flower - red colour on inner side (light to medium deep tones)049 Flower - red colour on inner side (light to medium deep tones)0 - absent2017 Research Institute of Ornamental Gardening_Rhododendron Out of Season
MORPHOLOGY050 Flower - red colour on inner side (medium deep tones)050 Flower - red colour on inner side (medium deep tones)0 - absent2017 Research Institute of Ornamental Gardening_Rhododendron Out of Season
MORPHOLOGY057 Flower - violet colour on inner side057 Flower - violet colour on inner side0 - absent2017 Research Institute of Ornamental Gardening_Rhododendron Out of Season
MORPHOLOGY058 Flower - violet blue colour on inner side 058 Flower - violet blue colour on inner side 0 - absent2017 Research Institute of Ornamental Gardening_Rhododendron Out of Season
MORPHOLOGY060 Flower - blue colour on inner side060 Flower - blue colour on inner side0 - absent2017 Research Institute of Ornamental Gardening_Rhododendron Out of Season
MORPHOLOGY063 Flower - deepness of colour on inner side063 Flower - deepness of colour on inner side3 - light R.H.S. - C2017 Research Institute of Ornamental Gardening_Rhododendron Out of Season
MORPHOLOGY064 Flower - supplemental colour on inner side064 Flower - supplemental colour on inner side0 - absent2017 Research Institute of Ornamental Gardening_Rhododendron Out of Season
MORPHOLOGY070 Flower - orange colour on outer side070 Flower - orange colour on outer side0 - absent2017 Research Institute of Ornamental Gardening_Rhododendron Out of Season
MORPHOLOGY072 Flower - orange red colour on outer side072 Flower - orange red colour on outer side0 - absent2017 Research Institute of Ornamental Gardening_Rhododendron Out of Season
MORPHOLOGY073 Flower - red colour on outer side (light to medium deep tones)073 Flower - red colour on outer side (light to medium deep tones)0 - absent2017 Research Institute of Ornamental Gardening_Rhododendron Out of Season
MORPHOLOGY074 Flower - red colour on outer side (medium deep tones)074 Flower - red colour on outer side (medium deep tones)0 - absent2017 Research Institute of Ornamental Gardening_Rhododendron Out of Season
MORPHOLOGY075 Flower - red colour on outer side (deep tones)075 Flower - red colour on outer side (deep tones)0 - absent2017 Research Institute of Ornamental Gardening_Rhododendron Out of Season
MORPHOLOGY082 Flower - violet blue colour on outer side 082 Flower - violet blue colour on outer side 0 - absent2016 Research Institute of Ornamental Gardening_Rhododendron Out of Season
MORPHOLOGY084 Flower - blue color on outer side084 Flower - blue color on outer side0 - absent2016 Research Institute of Ornamental Gardening_Rhododendron Out of Season
MORPHOLOGY087 Flower - deepness of colour on outer side087 Flower - deepness of colour on outer side3 - light R.H.S. - C2016 Research Institute of Ornamental Gardening_Rhododendron Out of Season
MORPHOLOGY088 Flower - supplemental colour on outer side088 Flower - supplemental colour on outer side0 - absent2016 Research Institute of Ornamental Gardening_Rhododendron Out of Season
MORPHOLOGY089 Flower - arrangement of supplemental colour on outer side089 Flower - arrangement of supplemental colour on outer side0 - absent2016 Research Institute of Ornamental Gardening_Rhododendron Out of Season
MORPHOLOGY099 The ratio pistil : stamens length099 The ratio pistil : stamens length6 - pistil longer2016 Research Institute of Ornamental Gardening_Rhododendron Out of Season
MORPHOLOGY100 Pistil - stigma colour100 Pistil - stigma colour6 - brown2016 Research Institute of Ornamental Gardening_Rhododendron Out of Season
MORPHOLOGY101 Pistil - uniformity of style colour101 Pistil - uniformity of style colour1 - unified2016 Research Institute of Ornamental Gardening_Rhododendron Out of Season
MORPHOLOGY102 Pistil - unifed colour of style102 Pistil - unifed colour of style7 - red2016 Research Institute of Ornamental Gardening_Rhododendron Out of Season
MORPHOLOGY103 Pistil - double colour of style103 Pistil - double colour of style0 - absent2016 Research Institute of Ornamental Gardening_Rhododendron Out of Season
MORPHOLOGY109 Flower - time of beginning of floweringComparative 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.-30.6.2016 Research Institute of Ornamental Gardening_Rhododendron Out of Season
MORPHOLOGY111 Flower - fragrance111 Flower - fragrance0 - absent2016 Research Institute of Ornamental Gardening_Rhododendron Out of Season
MORPHOLOGY051 Flower - red colour on inner side (deep tones)051 Flower - red colour on inner side (deep tones)0 - absent2017 Research Institute of Ornamental Gardening_Rhododendron Out of Season
MORPHOLOGY052 Flower - red purple colour on inner side (light tones)052 Flower - red purple colour on inner side (light tones)0 - absent2017 Research Institute of Ornamental Gardening_Rhododendron Out of Season
MORPHOLOGY054 Flower - red purple colour on inner side (deep tones)054 Flower - red purple colour on inner side (deep tones)8 - strong purplish red, strong reddish purple, deep purplish pink R.H.S. 722017 Research Institute of Ornamental Gardening_Rhododendron Out of Season
MORPHOLOGY055 Flower - purple colour on inner side055 Flower - purple colour on inner side0 - absent2017 Research Institute of Ornamental Gardening_Rhododendron Out of Season
MORPHOLOGY056 Flower - purple violet colour on inner side056 Flower - purple violet colour on inner side0 - absent2017 Research Institute of Ornamental Gardening_Rhododendron Out of Season
MORPHOLOGY065 Flower - arrangement of supplemental colour on inner side065 Flower - arrangement of supplemental colour on inner side0 - absent2017 Research Institute of Ornamental Gardening_Rhododendron Out of Season
MORPHOLOGY066 Flower - white colour on outer side066 Flower - white colour on outer side0 - absent2017 Research Institute of Ornamental Gardening_Rhododendron Out of Season
MORPHOLOGY067 Flower - yellow colour on outer side (light tones)067 Flower - yellow colour on outer side (light tones)0 - absent2017 Research Institute of Ornamental Gardening_Rhododendron Out of Season
MORPHOLOGY068 Flower - yellow colour on outer side (deep tones)068 Flower - yellow colour on outer side (deep tones)0 - absent2017 Research Institute of Ornamental Gardening_Rhododendron Out of Season
MORPHOLOGY069 Flower - yellow orange colour on outer side069 Flower - yellow orange colour on outer side0 - absent2017 Research Institute of Ornamental Gardening_Rhododendron Out of Season
MORPHOLOGY076 Flower - red purple colour on outer side (light tones)076 Flower - red purple colour on outer side (light tones)0 - absent2017 Research Institute of Ornamental Gardening_Rhododendron Out of Season
MORPHOLOGY078 Flower - red purple colour on outer side (deep tones)078 Flower - red purple colour on outer side (deep tones)7 - deep / strong purplish red R.H.S. 712016 Research Institute of Ornamental Gardening_Rhododendron Out of Season
MORPHOLOGY079 Flower - purple colour on outer side079 Flower - purple colour on outer side0 - absent2016 Research Institute of Ornamental Gardening_Rhododendron Out of Season
MORPHOLOGY080 Flower - purple violet colour on outer side080 Flower - purple violet colour on outer side0 - absent2016 Research Institute of Ornamental Gardening_Rhododendron Out of Season
MORPHOLOGY081 Flower - violet colour on outer side081 Flower - violet colour on outer side0 - absent2016 Research Institute of Ornamental Gardening_Rhododendron Out of Season
MORPHOLOGY090 Flower - presence of design090 Flower - presence of design1 - present2016 Research Institute of Ornamental Gardening_Rhododendron Out of Season
MORPHOLOGY092 Flower - distinctness of design092 Flower - distinctness of design3 - weak2016 Research Institute of Ornamental Gardening_Rhododendron Out of Season
MORPHOLOGY093 Flower - location of designFig. 91 - upper middle lobe2016 Research Institute of Ornamental Gardening_Rhododendron Out of Season
MORPHOLOGY094 Flower - type of design Fig. 104 - combined2016 Research Institute of Ornamental Gardening_Rhododendron Out of Season
MORPHOLOGY104 Stamens - number104 Stamens - number5 - intermediate constant 102016 Research Institute of Ornamental Gardening_Rhododendron Out of Season
MORPHOLOGY105 Stamens - colour of ripe anthers105 Stamens - colour of ripe anthers7 - violet2016 Research Institute of Ornamental Gardening_Rhododendron Out of Season
MORPHOLOGY106 Stamens - colour of filaments106 Stamens - colour of filaments1 - unified2016 Research Institute of Ornamental Gardening_Rhododendron Out of Season
MORPHOLOGY107 Stamens - colour of filaments unified107 Stamens - colour of filaments unified7 - purple red2016 Research Institute of Ornamental Gardening_Rhododendron Out of Season
MORPHOLOGY108 Stamens - double colour of filaments108 Stamens - double colour of filaments0 - absent2016 Research Institute of Ornamental Gardening_Rhododendron Out of Season
MORPHOLOGY004 Plant - heightIn 10 years of age5 - medium 51- 90 (cm)2017 Research Institute of Ornamental Gardening_Rhododendron Out of Season
MORPHOLOGY005 Shoot - colour in the upper partSprouting shoot2 - yellow green2017 Research Institute of Ornamental Gardening_Rhododendron Out of Season
MORPHOLOGY006 Shoot - indumentumSprouting shoot3 - sparse hairs2017 Research Institute of Ornamental Gardening_Rhododendron Out of Season
MORPHOLOGY007 Young leaf - colour of upper sideYoung leaves are observed as soon as they have reached full size3 - medium green2017 Research Institute of Ornamental Gardening_Rhododendron Out of Season
MORPHOLOGY008 Young leaf - colour of lower sideYoung leaves are observed as soon as they have reached full size2 - light green2017 Research Institute of Ornamental Gardening_Rhododendron Out of Season
MORPHOLOGY014 Mature leaf - blade widthMatured leaves are observed at the time of end of growth9 - very broad > 6 (cm)2017 Research Institute of Ornamental Gardening_Rhododendron Out of Season
MORPHOLOGY015 Mature leaf - petiole lengthMatured leaves are observed at the time of end of growth5 - intermediate 1,5- 3 (cm)2017 Research Institute of Ornamental Gardening_Rhododendron Out of Season
MORPHOLOGY018 Mature leaf - indumentum on the lower sideMatured leaves are observed at the time of end of growth0 - hairless2017 Research Institute of Ornamental Gardening_Rhododendron Out of Season
MORPHOLOGY019 Mature leaf - colour of upper sideMatured leaves are observed at the time of end of growth4 - dark green2017 Research Institute of Ornamental Gardening_Rhododendron Out of Season
MORPHOLOGY021 Mature leaf - colour of lower sideMatured leaves are observed at the time of end of growth3 - medium green2017 Research Institute of Ornamental Gardening_Rhododendron Out of Season
MORPHOLOGY029 Flower - campanulate shapeFig. 70 - absent2017 Research Institute of Ornamental Gardening_Rhododendron Out of Season
MORPHOLOGY030 Flower - diameterMaximal value at open flower5 - intermediate 4,1 - 7 (cm)2017 Research Institute of Ornamental Gardening_Rhododendron Out of Season
MORPHOLOGY031 Flower - length of peduncle031 Flower - length of peduncle4 - short to intermediate 1,6 - 2,5 (cm)2017 Research Institute of Ornamental Gardening_Rhododendron Out of Season
MORPHOLOGY032 Flower - presence of calyx032 Flower - presence of calyx1 - present2017 Research Institute of Ornamental Gardening_Rhododendron Out of Season
MORPHOLOGY033 Flower - length of the longest sepal033 Flower - length of the longest sepal5 - medium 2 - 4 (mm)2017 Research Institute of Ornamental Gardening_Rhododendron Out of Season
MORPHOLOGY040 Flower - incision of corolla margin040 Flower - incision of corolla margin7 - deep > 1/22017 Research Institute of Ornamental Gardening_Rhododendron Out of Season
MORPHOLOGY042 Flower - white colour on inner side042 Flower - white colour on inner side0 - absent2017 Research Institute of Ornamental Gardening_Rhododendron Out of Season
MORPHOLOGY043 Flower - yellow colour on inner side (light tones)043 Flower - yellow colour on inner side (light tones)0 - absent2017 Research Institute of Ornamental Gardening_Rhododendron Out of Season
MORPHOLOGY044 Flower - yellow colour on inner side (deep tones)044 Flower - yellow colour on inner side (deep tones)0 - absent2017 Research Institute of Ornamental Gardening_Rhododendron Out of Season