| BIOLOGY | 119 Susceptibility to Exobasidium rhododenri and E. japonicum | Without inoculation in monoculture | 0 - infection not found | 2023 Research Institute of Ornamental Gardening Pruhonice_Rhododendron | | Out of Season |
| MORPHOLOGY | 001 Plant - persistence of leaves | 001 Plant - persistence of leaves | 3 - evergreen | 2016 Research Institute of Ornamental Gardening_Rhododendron | | Out of Season |
| MORPHOLOGY | 012 Mature leaf - blade shape | Fig. 2 / Matured leaves are observed at the time of end of growth | 3 - elliptic | 2023 Research Institute of Ornamental Gardening Pruhonice_Rhododendron | | 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) | 2023 Research Institute of Ornamental Gardening Pruhonice_Rhododendron | | Out of Season |
| MORPHOLOGY | 023 Inflorescence - attitude on the shoot | Fig. 3 | 1 - terminal | 2023 Research Institute of Ornamental Gardening Pruhonice_Rhododendron | | Out of Season |
| MORPHOLOGY | 024 Inflorescence - number of flowers | 024 Inflorescence - number of flowers | 9 - very high > 15 | 2023 Research Institute of Ornamental Gardening Pruhonice_Rhododendron | | Out of Season |
| MORPHOLOGY | 025 Inflorescence - shape (cultivars with more than 6 flowers) | Fig. 4 | 7 - furcated spherical | 2023 Research Institute of Ornamental Gardening Pruhonice_Rhododendron | | Out of Season |
| MORPHOLOGY | 028 Flower - funnel-shaped | Fig. 6 | 1 - funnel-shaped | 2023 Research Institute of Ornamental Gardening Pruhonice_Rhododendron | | Out of Season |
| MORPHOLOGY | 035 Flower - number of corolla lobes | 035 Flower - number of corolla lobes | 3 - low 5 | 2023 Research Institute of Ornamental Gardening Pruhonice_Rhododendron | | Out of Season |
| MORPHOLOGY | 036 Flower - type of the flower | Fig. 8 | 1 - single | 2023 Research Institute of Ornamental Gardening Pruhonice_Rhododendron | | Out of Season |
| MORPHOLOGY | 037 Flower - corolla undulation of margins | 037 Flower - corolla undulation of margins | 3 - weak | 2023 Research Institute of Ornamental Gardening Pruhonice_Rhododendron | | 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 | 2023 Research Institute of Ornamental Gardening Pruhonice_Rhododendron | | Out of Season |
| MORPHOLOGY | 039 Flower - colour stability (comparison old and young flower) | 039 Flower - colour stability (comparison old and young flower) | 3 - lighter | 2023 Research Institute of Ornamental Gardening Pruhonice_Rhododendron | | 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 | 2023 Research Institute of Ornamental Gardening Pruhonice_Rhododendron | | Out of Season |
| MORPHOLOGY | 064 Flower - supplemental colour on inner side | 064 Flower - supplemental colour on inner side | 0 - absent | 2023 Research Institute of Ornamental Gardening Pruhonice_Rhododendron | | 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 | 2023 Research Institute of Ornamental Gardening Pruhonice_Rhododendron | | Out of Season |
| MORPHOLOGY | 088 Flower - supplemental colour on outer side | 088 Flower - supplemental colour on outer side | 0 - absent | 2023 Research Institute of Ornamental Gardening Pruhonice_Rhododendron | | Out of Season |
| MORPHOLOGY | 089 Flower - arrangement of supplemental colour on outer side | 089 Flower - arrangement of supplemental colour on outer side | 0 - absent | 2023 Research Institute of Ornamental Gardening Pruhonice_Rhododendron | | Out of Season |
| MORPHOLOGY | 099 The ratio pistil : stamens length | 099 The ratio pistil : stamens length | 6 - pistil longer | 2023 Research Institute of Ornamental Gardening Pruhonice_Rhododendron | | Out of Season |
| MORPHOLOGY | 100 Pistil - stigma colour | 100 Pistil - stigma colour | 6 - brown | 2023 Research Institute of Ornamental Gardening Pruhonice_Rhododendron | | Out of Season |
| MORPHOLOGY | 101 Pistil - uniformity of style colour | 101 Pistil - uniformity of style colour | 2 - different in lower and upper parts | 2023 Research Institute of Ornamental Gardening Pruhonice_Rhododendron | | Out of Season |
| MORPHOLOGY | 102 Pistil - unifed colour of style | 102 Pistil - unifed colour of style | 0 - absent | 2023 Research Institute of Ornamental Gardening Pruhonice_Rhododendron | | Out of Season |
| MORPHOLOGY | 103 Pistil - double colour of style | 103 Pistil - double colour of style | 9 - green, up yellow | 2023 Research Institute of Ornamental Gardening Pruhonice_Rhododendron | | 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. | 2023 Research Institute of Ornamental Gardening Pruhonice_Rhododendron | | Out of Season |
| MORPHOLOGY | 111 Flower - fragrance | 111 Flower - fragrance | 3 - weak | 2023 Research Institute of Ornamental Gardening Pruhonice_Rhododendron | | Out of Season |
| MORPHOLOGY | 055 Flower - purple colour on inner side | 055 Flower - purple colour on inner side | 1 - light / very light / very pale purple R.H.S 75 | 2023 Research Institute of Ornamental Gardening Pruhonice_Rhododendron | | Out of Season |
| MORPHOLOGY | 065 Flower - arrangement of supplemental colour on inner side | 065 Flower - arrangement of supplemental colour on inner side | 0 - absent | 2023 Research Institute of Ornamental Gardening Pruhonice_Rhododendron | | Out of Season |
| MORPHOLOGY | 079 Flower - purple colour on outer side | 079 Flower - purple colour on outer side | 1 - light / very light / very pale purple R.H.S. 75 | 2023 Research Institute of Ornamental Gardening Pruhonice_Rhododendron | | Out of Season |
| MORPHOLOGY | 090 Flower - presence of design | 090 Flower - presence of design | 1 - present | 2023 Research Institute of Ornamental Gardening Pruhonice_Rhododendron | | Out of Season |
| MORPHOLOGY | 092 Flower - distinctness of design | 092 Flower - distinctness of design | 7 - strong | 2023 Research Institute of Ornamental Gardening Pruhonice_Rhododendron | | Out of Season |
| MORPHOLOGY | 093 Flower - location of design | Fig. 9 | 2 - upper three lobes | 2023 Research Institute of Ornamental Gardening Pruhonice_Rhododendron | | Out of Season |
| MORPHOLOGY | 094 Flower - type of design | Fig. 10 | 4 - combined | 2023 Research Institute of Ornamental Gardening Pruhonice_Rhododendron | | Out of Season |
| MORPHOLOGY | 096 Flower - colour of design (light colours) | Type variety ‘Genoveva’. Colour observation 1 – 2 days after full bloom of the flower. | 4 - green | 2023 Research Institute of Ornamental Gardening Pruhonice_Rhododendron | | Out of Season |
| MORPHOLOGY | 104 Stamens - number | 104 Stamens - number | 5 - intermediate constant 10 | 2023 Research Institute of Ornamental Gardening Pruhonice_Rhododendron | | Out of Season |
| MORPHOLOGY | 105 Stamens - colour of ripe anthers | 105 Stamens - colour of ripe anthers | 8 - light brown | 2023 Research Institute of Ornamental Gardening Pruhonice_Rhododendron | | Out of Season |
| MORPHOLOGY | 106 Stamens - colour of filaments | 106 Stamens - colour of filaments | 1 - unified | 2023 Research Institute of Ornamental Gardening Pruhonice_Rhododendron | | Out of Season |
| MORPHOLOGY | 107 Stamens - colour of filaments unified | 107 Stamens - colour of filaments unified | 1 - white | 2023 Research Institute of Ornamental Gardening Pruhonice_Rhododendron | | Out of Season |
| MORPHOLOGY | 108 Stamens - double colour of filaments | 108 Stamens - double colour of filaments | 0 - absent | 2023 Research Institute of Ornamental Gardening Pruhonice_Rhododendron | | Out of Season |
| MORPHOLOGY | 004 Plant - height | In 10 years of age | 9 - very high >120 (cm) | 2023 Research Institute of Ornamental Gardening Pruhonice_Rhododendron | | 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) | 2023 Research Institute of Ornamental Gardening Pruhonice_Rhododendron | | 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) | 2023 Research Institute of Ornamental Gardening Pruhonice_Rhododendron | | 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 | 2023 Research Institute of Ornamental Gardening Pruhonice_Rhododendron | | 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 | 2023 Research Institute of Ornamental Gardening Pruhonice_Rhododendron | | Out of Season |
| MORPHOLOGY | 021 Mature leaf - colour of lower side | Matured leaves are observed at the time of end of growth | 2 - yellow green | 2023 Research Institute of Ornamental Gardening Pruhonice_Rhododendron | | Out of Season |
| MORPHOLOGY | 029 Flower - campanulate shape | Fig. 7 | 0 - absent | 2023 Research Institute of Ornamental Gardening Pruhonice_Rhododendron | | Out of Season |
| MORPHOLOGY | 030 Flower - diameter | Maximal value at open flower | 6 - intermediate to long 7,1 - 9 (cm) | 2023 Research Institute of Ornamental Gardening Pruhonice_Rhododendron | | Out of Season |
| MORPHOLOGY | 031 Flower - length of peduncle | 031 Flower - length of peduncle | 5 - intermediate 2,5 - 4 (cm) | 2023 Research Institute of Ornamental Gardening Pruhonice_Rhododendron | | Out of Season |
| MORPHOLOGY | 032 Flower - presence of calyx | 032 Flower - presence of calyx | 1 - present | 2023 Research Institute of Ornamental Gardening Pruhonice_Rhododendron | | Out of Season |
| MORPHOLOGY | 033 Flower - length of the longest sepal | 033 Flower - length of the longest sepal | 7 - long > 5 (mm) | 2023 Research Institute of Ornamental Gardening Pruhonice_Rhododendron | | Out of Season |
| MORPHOLOGY | 040 Flower - incision of corolla margin | 040 Flower - incision of corolla margin | 5 - intermediate 1/3 - 1/2 | 2023 Research Institute of Ornamental Gardening Pruhonice_Rhododendron | | 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 | 2023 Research Institute of Ornamental Gardening Pruhonice_Rhododendron | | Out of Season |
| MORPHOLOGY | 034 Flower - colour of calyx | 034 Flower - colour of calyx | 9 - multicoloured | 2023 Research Institute of Ornamental Gardening Pruhonice_Rhododendron | | Out of Season |
| MORPHOLOGY | 016 Mature leaf - pubescence of the petiole | Matured leaves are observed at the time of end of growth | 0 - hairless | 2023 Research Institute of Ornamental Gardening Pruhonice_Rhododendron | | Out of Season |
| MORPHOLOGY | 017 Mature leaf - petiole colour of the upper side | Matured leaves are observed at the time of end of growth. On the sunny side. | 2 - medium green | 2023 Research Institute of Ornamental Gardening Pruhonice_Rhododendron | | Out of Season |
| MORPHOLOGY | 020 Mature leaf – glossiness of upper side | Matured leaves are observed at the time of end of growth | 1 - weak | 2023 Research Institute of Ornamental Gardening Pruhonice_Rhododendron | | Out of Season |
| MORPHOLOGY | 091 Flower – size (extent) of design | 091 Flower – size (extent) of design | 3 - large | 2023 Research Institute of Ornamental Gardening Pruhonice_Rhododendron | | Out of Season |
| MORPHOLOGY | 110 Flower - ability of repeating flowering | 110 Flower - ability of repeating flowering | 0 - no remontant | 2023 Research Institute of Ornamental Gardening Pruhonice_Rhododendron | | Out of Season |
| MORPHOLOGY | 095 Flower - type of design: basal blotch | Type variety ‘Arthur Stevens’. | 0 - absent | 2023 Research Institute of Ornamental Gardening Pruhonice_Rhododendron | | 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. | 3 - brown | 2023 Research Institute of Ornamental Gardening Pruhonice_Rhododendron | | Out of Season |