Details for: 12E0100855, Rhododendron hybr., 'Blue Boy'


Summary Data
Taxonomy:
Rhododendron hybr.
Cultivar:
'Blue Boy'
Origin:
Origin – Washington, United States
Received by CRI:
2010
Improvement Status:
Advanced/improved cultivar
Life form:
Perennial
Growth class:
flowers: perennial vegetatively propagated
Is Core:
N
Form Received:
Field collection
Availability
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Core Passport Data
Taxonomy:
Rhododendron hybr.
Cultivar:
'Blue Boy'
Origin:
Origin – Washington, United States
Received by CRI:
2010
Improvement Status:
Advanced/improved cultivar
Life form:
Perennial
Growth class:
flowers: perennial vegetatively propagated
Is Core:
N
Form Received:
Field collection
Source History
Developed
POST 1965.  Washington, United States

Developer(s):
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
'Blue Boy'
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
Other Links
Actions
  • Curator Change: Previous: Jiřina RŮŽIČKOVÁ, Current: Lenka Kašparová. 13 Dec 2017.
  • Enter ECN Into System: . 27 Aug 2010.
Pathogens
Vouchers
Citations
Pedigree
Pollination type:
(4) Crossing
Description:
Blue Ensign × Purple Splendour
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 found2013 Research Institute of Ornamental Gardening Pruhonice 
MORPHOLOGY001 Plant - persistence of leaves001 Plant - persistence of leaves3 - evergreen2013 Research Institute of Ornamental Gardening Pruhonice 
MORPHOLOGY002 Plant - density of branches and foliage002 Plant - density of branches and foliage7 - compact2013 Research Institute of Ornamental Gardening Pruhonice 
MORPHOLOGY003 Plant - habitFig. 15 - rounded to spreading 1,2 – 0,62013 Research Institute of Ornamental Gardening Pruhonice 
MORPHOLOGY009 Young leaf - waxy bloom on the upper sideYoung leaves are observed as soon as they have reached full size0 - absent2013 Research Institute of Ornamental Gardening Pruhonice 
MORPHOLOGY010 Young leaf - pubescence on the upper sideYoung leaves are observed as soon as they have reached full size0 - hairless2013 Research Institute of Ornamental Gardening Pruhonice 
MORPHOLOGY011 Young leaf - pubescence on the lower sideYoung leaves are observed as soon as they have reached full size0 - hairless2013 Research Institute of Ornamental Gardening Pruhonice 
MORPHOLOGY012 Mature leaf - blade shapeFig. 2 / Matured leaves are observed at the time of end of growth3 - elliptic2013 Research Institute of Ornamental Gardening Pruhonice 
MORPHOLOGY013 Mature leaf - blade lengthMatured leaves are observed at the time of end of growth7 - long 10,1 -14 (cm)2013 Research Institute of Ornamental Gardening Pruhonice 
MORPHOLOGY023 Inflorescence - attitude on the shootFig. 31 - terminal2013 Research Institute of Ornamental Gardening Pruhonice 
MORPHOLOGY024 Inflorescence - number of flowers024 Inflorescence - number of flowers7 - high 11- 152013 Research Institute of Ornamental Gardening Pruhonice 
MORPHOLOGY025 Inflorescence - shape (cultivars with more than 6 flowers)Fig. 45 - spherical2013 Research Institute of Ornamental Gardening Pruhonice 
MORPHOLOGY035 Flower - number of corolla lobes035 Flower - number of corolla lobes3 - low 52013 Research Institute of Ornamental Gardening Pruhonice 
MORPHOLOGY036 Flower - type of the flowerFig. 81 - single2013 Research Institute of Ornamental Gardening Pruhonice 
MORPHOLOGY037 Flower - corolla undulation of margins037 Flower - corolla undulation of margins5 - medium2013 Research Institute of Ornamental Gardening Pruhonice 
MORPHOLOGY038 Flower - colour of corolla edges in comparison with flower colour038 Flower - colour of corolla edges in comparison with flower colour7 - darker2013 Research Institute of Ornamental Gardening Pruhonice 
MORPHOLOGY045 Flower - yellow orange colour on inner side045 Flower - yellow orange colour on inner side0 - absent2013 Research Institute of Ornamental Gardening Pruhonice 
MORPHOLOGY046 Flower - orange colour on inner side046 Flower - orange colour on inner side0 - absent2013 Research Institute of Ornamental Gardening Pruhonice 
MORPHOLOGY048 Flower - orange red colour on inner side048 Flower - orange red colour on inner side0 - absent2013 Research Institute of Ornamental Gardening Pruhonice 
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 - absent2013 Research Institute of Ornamental Gardening Pruhonice 
MORPHOLOGY050 Flower - red colour on inner side (medium deep tones)050 Flower - red colour on inner side (medium deep tones)0 - absent2013 Research Institute of Ornamental Gardening Pruhonice 
MORPHOLOGY058 Flower - violet blue colour on inner side 058 Flower - violet blue colour on inner side 0 - absent2013 Research Institute of Ornamental Gardening Pruhonice 
MORPHOLOGY060 Flower - blue colour on inner side060 Flower - blue colour on inner side0 - absent2013 Research Institute of Ornamental Gardening Pruhonice 
MORPHOLOGY063 Flower - deepness of colour on inner side063 Flower - deepness of colour on inner side7 - deep R.H.S. - A2013 Research Institute of Ornamental Gardening Pruhonice 
MORPHOLOGY064 Flower - supplemental colour on inner side064 Flower - supplemental colour on inner side0 - absent2013 Research Institute of Ornamental Gardening Pruhonice 
MORPHOLOGY070 Flower - orange colour on outer side070 Flower - orange colour on outer side0 - absent2013 Research Institute of Ornamental Gardening Pruhonice 
MORPHOLOGY072 Flower - orange red colour on outer side072 Flower - orange red colour on outer side0 - absent2013 Research Institute of Ornamental Gardening Pruhonice 
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 - absent2013 Research Institute of Ornamental Gardening Pruhonice 
MORPHOLOGY074 Flower - red colour on outer side (medium deep tones)074 Flower - red colour on outer side (medium deep tones)0 - absent2013 Research Institute of Ornamental Gardening Pruhonice 
MORPHOLOGY075 Flower - red colour on outer side (deep tones)075 Flower - red colour on outer side (deep tones)0 - absent2013 Research Institute of Ornamental Gardening Pruhonice 
MORPHOLOGY082 Flower - violet blue colour on outer side 082 Flower - violet blue colour on outer side 0 - absent2013 Research Institute of Ornamental Gardening Pruhonice 
MORPHOLOGY084 Flower - blue color on outer side084 Flower - blue color on outer side0 - absent2013 Research Institute of Ornamental Gardening Pruhonice 
MORPHOLOGY087 Flower - deepness of colour on outer side087 Flower - deepness of colour on outer side5 - medium deep R.H.S. - B2013 Research Institute of Ornamental Gardening Pruhonice 
MORPHOLOGY088 Flower - supplemental colour on outer side088 Flower - supplemental colour on outer side0 - absent2013 Research Institute of Ornamental Gardening Pruhonice 
MORPHOLOGY089 Flower - arrangement of supplemental colour on outer side089 Flower - arrangement of supplemental colour on outer side0 - absent2013 Research Institute of Ornamental Gardening Pruhonice 
MORPHOLOGY099 The ratio pistil : stamens length099 The ratio pistil : stamens length6 - pistil longer2013 Research Institute of Ornamental Gardening Pruhonice 
MORPHOLOGY100 Pistil - stigma colour100 Pistil - stigma colour6 - brown2013 Research Institute of Ornamental Gardening Pruhonice 
MORPHOLOGY101 Pistil - uniformity of style colour101 Pistil - uniformity of style colour1 - unified2013 Research Institute of Ornamental Gardening Pruhonice 
MORPHOLOGY102 Pistil - unifed colour of style102 Pistil - unifed colour of style1 - white2013 Research Institute of Ornamental Gardening Pruhonice 
MORPHOLOGY103 Pistil - double colour of style103 Pistil - double colour of style0 - absent2013 Research Institute of Ornamental Gardening Pruhonice 
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.-30.6.2013 Research Institute of Ornamental Gardening Pruhonice 
MORPHOLOGY111 Flower - fragrance111 Flower - fragrance0 - absent2013 Research Institute of Ornamental Gardening Pruhonice 
MORPHOLOGY051 Flower - red colour on inner side (deep tones)051 Flower - red colour on inner side (deep tones)0 - absent2013 Research Institute of Ornamental Gardening Pruhonice 
MORPHOLOGY052 Flower - red purple colour on inner side (light tones)052 Flower - red purple colour on inner side (light tones)0 - absent2013 Research Institute of Ornamental Gardening Pruhonice 
MORPHOLOGY054 Flower - red purple colour on inner side (deep tones)054 Flower - red purple colour on inner side (deep tones)0 - absent2013 Research Institute of Ornamental Gardening Pruhonice 
MORPHOLOGY055 Flower - purple colour on inner side055 Flower - purple colour on inner side0 - absent2013 Research Institute of Ornamental Gardening Pruhonice 
MORPHOLOGY065 Flower - arrangement of supplemental colour on inner side065 Flower - arrangement of supplemental colour on inner side0 - absent2013 Research Institute of Ornamental Gardening Pruhonice 
MORPHOLOGY066 Flower - white colour on outer side066 Flower - white colour on outer side0 - absent2013 Research Institute of Ornamental Gardening Pruhonice 
MORPHOLOGY067 Flower - yellow colour on outer side (light tones)067 Flower - yellow colour on outer side (light tones)0 - absent2013 Research Institute of Ornamental Gardening Pruhonice 
MORPHOLOGY068 Flower - yellow colour on outer side (deep tones)068 Flower - yellow colour on outer side (deep tones)0 - absent2013 Research Institute of Ornamental Gardening Pruhonice 
MORPHOLOGY069 Flower - yellow orange colour on outer side069 Flower - yellow orange colour on outer side0 - absent2013 Research Institute of Ornamental Gardening Pruhonice 
MORPHOLOGY076 Flower - red purple colour on outer side (light tones)076 Flower - red purple colour on outer side (light tones)0 - absent2013 Research Institute of Ornamental Gardening Pruhonice 
MORPHOLOGY078 Flower - red purple colour on outer side (deep tones)078 Flower - red purple colour on outer side (deep tones)0 - absent2013 Research Institute of Ornamental Gardening Pruhonice 
MORPHOLOGY079 Flower - purple colour on outer side079 Flower - purple colour on outer side0 - absent2013 Research Institute of Ornamental Gardening Pruhonice 
MORPHOLOGY081 Flower - violet colour on outer side081 Flower - violet colour on outer side0 - absent2013 Research Institute of Ornamental Gardening Pruhonice 
MORPHOLOGY090 Flower - presence of design090 Flower - presence of design1 - present2013 Research Institute of Ornamental Gardening Pruhonice 
MORPHOLOGY092 Flower - distinctness of design092 Flower - distinctness of design7 - strong2013 Research Institute of Ornamental Gardening Pruhonice 
MORPHOLOGY093 Flower - location of designFig. 92 - upper three lobes2013 Research Institute of Ornamental Gardening Pruhonice 
MORPHOLOGY094 Flower - type of design Fig. 104 - combined2013 Research Institute of Ornamental Gardening Pruhonice 
MORPHOLOGY104 Stamens - number104 Stamens - number5 - intermediate constant 102013 Research Institute of Ornamental Gardening Pruhonice 
MORPHOLOGY106 Stamens - colour of filaments106 Stamens - colour of filaments2 - different in lower and upper parts2013 Research Institute of Ornamental Gardening Pruhonice 
MORPHOLOGY107 Stamens - colour of filaments unified107 Stamens - colour of filaments unified0 - absent2013 Research Institute of Ornamental Gardening Pruhonice 
MORPHOLOGY108 Stamens - double colour of filaments108 Stamens - double colour of filaments7 - pink, up white2013 Research Institute of Ornamental Gardening Pruhonice 
MORPHOLOGY004 Plant - heightIn 10 years of age5 - medium 51- 90 (cm)2013 Research Institute of Ornamental Gardening Pruhonice 
MORPHOLOGY005 Shoot - colour in the upper partSprouting shoot2 - yellow green2013 Research Institute of Ornamental Gardening Pruhonice 
MORPHOLOGY007 Young leaf - colour of upper sideYoung leaves are observed as soon as they have reached full size3 - medium green2013 Research Institute of Ornamental Gardening Pruhonice 
MORPHOLOGY008 Young leaf - colour of lower sideYoung leaves are observed as soon as they have reached full size2 - light green2013 Research Institute of Ornamental Gardening Pruhonice 
MORPHOLOGY014 Mature leaf - blade widthMatured leaves are observed at the time of end of growth7 - broad 4,1- 6 (cm)2013 Research Institute of Ornamental Gardening Pruhonice 
MORPHOLOGY015 Mature leaf - petiole lengthMatured leaves are observed at the time of end of growth5 - intermediate 1,5- 3 (cm)2013 Research Institute of Ornamental Gardening Pruhonice 
MORPHOLOGY018 Mature leaf - indumentum on the lower sideMatured leaves are observed at the time of end of growth0 - hairless2013 Research Institute of Ornamental Gardening Pruhonice 
MORPHOLOGY021 Mature leaf - colour of lower sideMatured leaves are observed at the time of end of growth2 - yellow green2013 Research Institute of Ornamental Gardening Pruhonice 
MORPHOLOGY030 Flower - diameterMaximal value at open flower5 - intermediate 4,1 - 7 (cm)2013 Research Institute of Ornamental Gardening Pruhonice 
MORPHOLOGY031 Flower - length of peduncle031 Flower - length of peduncle5 - intermediate 2,5 - 4 (cm)2013 Research Institute of Ornamental Gardening Pruhonice 
MORPHOLOGY032 Flower - presence of calyx032 Flower - presence of calyx1 - present2013 Research Institute of Ornamental Gardening Pruhonice 
MORPHOLOGY033 Flower - length of the longest sepal033 Flower - length of the longest sepal5 - medium 2 - 4 (mm)2013 Research Institute of Ornamental Gardening Pruhonice 
MORPHOLOGY040 Flower - incision of corolla margin040 Flower - incision of corolla margin7 - deep > 1/22013 Research Institute of Ornamental Gardening Pruhonice 
MORPHOLOGY041 Flower - inner colour of base in comparison with flower colour041 Flower - inner colour of base in comparison with flower colour3 - lighter2013 Research Institute of Ornamental Gardening Pruhonice 
MORPHOLOGY042 Flower - white colour on inner side042 Flower - white colour on inner side0 - absent2013 Research Institute of Ornamental Gardening Pruhonice 
MORPHOLOGY043 Flower - yellow colour on inner side (light tones)043 Flower - yellow colour on inner side (light tones)0 - absent2013 Research Institute of Ornamental Gardening Pruhonice 
MORPHOLOGY044 Flower - yellow colour on inner side (deep tones)044 Flower - yellow colour on inner side (deep tones)0 - absent2013 Research Institute of Ornamental Gardening Pruhonice 
MORPHOLOGY097 Flower - colour of design (dark colours)Type variety ‘Humboldt’. Colour observation 1 – 2 days after full bloom of the flower.4 - purple brown2013 Research Institute of Ornamental Gardening Pruhonice