Details for: 12E0100366, Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam., 'Eggert Rohwer'

Summary Data

Taxonomy:

Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam.

Cultivar:

'Eggert Rohwer'

Origin:

Origin – Germany

Maintained:

The Silva Tarouca Research Institute for Landscape and Ornamental Gardening

Received by CRI:

1997

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		12E0100366

Note: When you select cuttings, you will receive unrooted cuttings, not rooted plants, unless specific arrangements have been made with the curator.
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Core Passport Data

Taxonomy:

Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam.

Cultivar:

'Eggert Rohwer'

Origin:

Origin – Germany

Maintained:

The Silva Tarouca Research Institute for Landscape and Ornamental Gardening

Received by CRI:

1997

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

'Eggert Rohwer'

Type: Cultivar name

Rhododendron yakushimanum subsp. yakushimanum hybr. group

Type: Full taxon

Narrative

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

Rhododendron degronianum Carrière subspp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam.

Genus:

Rhododendron

Subgenus:

Hymenanthes

Section:

Ponticum

Family:

Ericaceae

Subfamily:

Ericoideae

Tribe:

Rhodoreae

Nomen number:

449475

Place of publication:

Acta Phytotax. Geobot. 25:38. 1972

Verified:

February 03, 2006 by ARS Systematic Botanists.

Other conspecific taxa

Rhododendron degronianum Carrière (0 active accession[s])
Rhododendron degronianum Carrière subsp. degronianum (0 active accession[s])
Rhododendron degronianum Carrière subsp. heptamerum (Maxim.) H. Hara (0 active accession[s])
Rhododendron degronianum Carrière subsp. heptamerum (Maxim.) H. Hara var. heptamerum (Maxim.) Sealy ex Davidian (0 active accession[s])
Rhododendron degronianum Carrière subsp. heptamerum (Maxim.) H. Hara var. hondoense (Nakai) H. Hara (0 active accession[s])
Rhododendron degronianum Carrière subsp. heptamerum (Maxim.) H. Hara var. kyomaruense (T. Yamaz.) H. Hara (0 active accession[s])
Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara (0 active accession[s])
Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. intermedium (Sugim.) H. Hara (0 active accession[s])
Rhododendron degronianum Carrière var. degronianum (0 active accession[s])

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

Basionym
Rhododendron yakushimanum Nakai

Homotypic Synonym(s)
Rhododendron metternichii Siebold & Zucc. subsp. yakushimanum (Nakai) Sugim.
Rhododendron metternichii Siebold & Zucc. var. yakushimanum (Nakai) Ohwi
Rhododendron yakushimanum Nakai subsp. yakushimanum

Common names

LANGUAGE	NAME	NOTE	SEQ	CITATION
English	Yakushima rhododendron	as R. yakushimanum	1	Erhardt, W. et al. 2000. Zander: Handwörterbuch der Pflanzennamen, 16. Auflage Note: = Rhododendron yakushimanum
French	rhododendron de Yakushima	as R. yakushimanum	2	Erhardt, W. et al. 2000. Zander: Handwörterbuch der Pflanzennamen, 16. Auflage Note: = Rhododendron yakushimanum
Swedish	praktrododendron		2	Aldén, B., S. Ryman, & M. Hjertson. 2012. Svensk Kulturväxtdatabas, SKUD (Swedish Cultivated and Utility Plants Database; online resource)

Annotations

Observations

Phenotype Data

Category	Descriptor	Description	Value	Study
BIOLOGY	112 Winter frost damage - leaves	Fig. 11	5 - intermediate, damaged up to 1/2 of lamina	2004 Research Institute of Ornamental Gardening Pruhonice
BIOLOGY	113 Winter frost damage - flower buds	113 Winter frost damage - flower buds	3 - low, about 1/3 buds opened or were deformed	2004 Research Institute of Ornamental Gardening Pruhonice
MORPHOLOGY	001 Plant - persistence of leaves	001 Plant - persistence of leaves	3 - evergreen	2003 Research Institute of Ornamental Gardening Pruhonice
MORPHOLOGY	002 Plant - density of branches and foliage	002 Plant - density of branches and foliage	5 - intermediate	2003 Research Institute of Ornamental Gardening Pruhonice
MORPHOLOGY	003 Plant - habit	Fig. 1	3 - erect > 1,2	2003 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	5 - intermediate	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	4 - broadly elliptic	2003 Research Institute of Ornamental Gardening Pruhonice
MORPHOLOGY	013 Mature leaf - blade length	Matured leaves are observed at the time of end of growth	5 - intermediate 6,1-10 (cm)	2003 Research Institute of Ornamental Gardening Pruhonice
MORPHOLOGY	023 Inflorescence - attitude on the shoot	Fig. 3	1 - terminal	2004 Research Institute of Ornamental Gardening Pruhonice
MORPHOLOGY	024 Inflorescence - number of flowers	024 Inflorescence - number of flowers	9 - very high > 15	2004 Research Institute of Ornamental Gardening Pruhonice
MORPHOLOGY	026 Flower - shape of flower bud	Fig. 5	5 - ovate	2003 Research Institute of Ornamental Gardening Pruhonice
MORPHOLOGY	028 Flower - funnel-shaped	Fig. 6	1 - funnel-shaped	2004 Research Institute of Ornamental Gardening Pruhonice
MORPHOLOGY	035 Flower - number of corolla lobes	035 Flower - number of corolla lobes	3 - low 5	2004 Research Institute of Ornamental Gardening Pruhonice
MORPHOLOGY	036 Flower - type of the flower	Fig. 8	1 - single	2004 Research Institute of Ornamental Gardening Pruhonice
MORPHOLOGY	037 Flower - corolla undulation of margins	037 Flower - corolla undulation of margins	7 - strong	2004 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	2004 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)	3 - lighter	2004 Research Institute of Ornamental Gardening Pruhonice
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
MORPHOLOGY	046 Flower - orange colour on inner side	046 Flower - orange colour on inner side	0 - absent	2004 Research Institute of Ornamental Gardening Pruhonice
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
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
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
MORPHOLOGY	057 Flower - violet colour on inner side	057 Flower - violet colour on inner side	0 - absent	2004 Research Institute of Ornamental Gardening Pruhonice
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
MORPHOLOGY	060 Flower - blue colour on inner side	060 Flower - blue colour on inner side	0 - absent	2004 Research Institute of Ornamental Gardening Pruhonice
MORPHOLOGY	063 Flower - deepness of colour on inner side	063 Flower - deepness of colour on inner side	1 - very light R.H.S. - D	2004 Research Institute of Ornamental Gardening Pruhonice
MORPHOLOGY	064 Flower - supplemental colour on inner side	064 Flower - supplemental colour on inner side	2 - white	2004 Research Institute of Ornamental Gardening Pruhonice
MORPHOLOGY	070 Flower - orange colour on outer side	070 Flower - orange colour on outer side	0 - absent	2004 Research Institute of Ornamental Gardening Pruhonice
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
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
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
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
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
MORPHOLOGY	084 Flower - blue color on outer side	084 Flower - blue color on outer side	0 - absent	2004 Research Institute of Ornamental Gardening Pruhonice
MORPHOLOGY	087 Flower - deepness of colour on outer side	087 Flower - deepness of colour on outer side	1 - very light R.H.S. - D	2004 Research Institute of Ornamental Gardening Pruhonice
MORPHOLOGY	088 Flower - supplemental colour on outer side	088 Flower - supplemental colour on outer side	2 - white	2004 Research Institute of Ornamental Gardening Pruhonice
MORPHOLOGY	089 Flower - arrangement of supplemental colour on outer side	089 Flower - arrangement of supplemental colour on outer side	6 - throat	2004 Research Institute of Ornamental Gardening Pruhonice
MORPHOLOGY	099 The ratio pistil : stamens length	099 The ratio pistil : stamens length	7 - pistil twice longer	2004 Research Institute of Ornamental Gardening Pruhonice
MORPHOLOGY	100 Pistil - stigma colour	100 Pistil - stigma colour	4 - red	2004 Research Institute of Ornamental Gardening Pruhonice
MORPHOLOGY	101 Pistil - uniformity of style colour	101 Pistil - uniformity of style colour	2 - different in lower and upper parts	2004 Research Institute of Ornamental Gardening Pruhonice
MORPHOLOGY	102 Pistil - unifed colour of style	102 Pistil - unifed colour of style	0 - absent	2004 Research Institute of Ornamental Gardening Pruhonice
MORPHOLOGY	103 Pistil - double colour of style	103 Pistil - double colour of style	2 - white, up pink	2004 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.	2004 Research Institute of Ornamental Gardening Pruhonice
MORPHOLOGY	111 Flower - fragrance	111 Flower - fragrance	3 - weak	2004 Research Institute of Ornamental Gardening Pruhonice
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
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
MORPHOLOGY	054 Flower - red purple colour on inner side (deep tones)	054 Flower - red purple colour on inner side (deep tones)	3 - deep / strong / vivid purplish red, deep purplish pink R.H.S. 61	2004 Research Institute of Ornamental Gardening Pruhonice
MORPHOLOGY	055 Flower - purple colour on inner side	055 Flower - purple colour on inner side	0 - absent	2004 Research Institute of Ornamental Gardening Pruhonice
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
MORPHOLOGY	065 Flower - arrangement of supplemental colour on inner side	065 Flower - arrangement of supplemental colour on inner side	7 - shading	2004 Research Institute of Ornamental Gardening Pruhonice
MORPHOLOGY	066 Flower - white colour on outer side	066 Flower - white colour on outer side	0 - absent	2004 Research Institute of Ornamental Gardening Pruhonice
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
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
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
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
MORPHOLOGY	078 Flower - red purple colour on outer side (deep tones)	078 Flower - red purple colour on outer side (deep tones)	3 - deep / strong / vivid purplish red, deep purplish pink R.H.S. 61	2004 Research Institute of Ornamental Gardening Pruhonice
MORPHOLOGY	079 Flower - purple colour on outer side	079 Flower - purple colour on outer side	0 - absent	2004 Research Institute of Ornamental Gardening Pruhonice
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
MORPHOLOGY	081 Flower - violet colour on outer side	081 Flower - violet colour on outer side	0 - absent	2004 Research Institute of Ornamental Gardening Pruhonice
MORPHOLOGY	090 Flower - presence of design	090 Flower - presence of design	0 - absent	2004 Research Institute of Ornamental Gardening Pruhonice
MORPHOLOGY	104 Stamens - number	104 Stamens - number	5 - intermediate constant 10	2004 Research Institute of Ornamental Gardening Pruhonice
MORPHOLOGY	105 Stamens - colour of ripe anthers	105 Stamens - colour of ripe anthers	1 - yellow	2004 Research Institute of Ornamental Gardening Pruhonice
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
MORPHOLOGY	107 Stamens - colour of filaments unified	107 Stamens - colour of filaments unified	0 - absent	2004 Research Institute of Ornamental Gardening Pruhonice
MORPHOLOGY	108 Stamens - double colour of filaments	108 Stamens - double colour of filaments	2 - white, up pink	2004 Research Institute of Ornamental Gardening Pruhonice
MORPHOLOGY	004 Plant - height	In 10 years of age	5 - medium 51- 90 (cm)	2013 Research Institute of Ornamental Gardening Pruhonice
MORPHOLOGY	005 Shoot - colour in the upper part	Sprouting shoot	3 - light green	2003 Research Institute of Ornamental Gardening Pruhonice
MORPHOLOGY	006 Shoot - indumentum	Sprouting shoot	5 - medium dense hairs	2003 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	2 - light 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	1 - white	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)	2003 Research Institute of Ornamental Gardening Pruhonice
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
MORPHOLOGY	018 Mature leaf - indumentum on the lower side	Matured leaves are observed at the time of end of growth	5 - medium dense hairs	2003 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	3 - medium green	2003 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	2003 Research Institute of Ornamental Gardening Pruhonice
MORPHOLOGY	029 Flower - campanulate shape	Fig. 7	0 - absent	2004 Research Institute of Ornamental Gardening Pruhonice
MORPHOLOGY	030 Flower - diameter	Maximal value at open flower	5 - intermediate 4,1 - 7 (cm)	2004 Research Institute of Ornamental Gardening Pruhonice
MORPHOLOGY	031 Flower - length of peduncle	031 Flower - length of peduncle	5 - intermediate 2,5 - 4 (cm)	2004 Research Institute of Ornamental Gardening Pruhonice
MORPHOLOGY	032 Flower - presence of calyx	032 Flower - presence of calyx	0 - absent	2004 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	2004 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	3 - lighter	2004 Research Institute of Ornamental Gardening Pruhonice
MORPHOLOGY	042 Flower - white colour on inner side	042 Flower - white colour on inner side	0 - absent	2004 Research Institute of Ornamental Gardening Pruhonice
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
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