Details for: 12E0100437, Rhododendron hybr., 'Mrs John Penn'

Summary Data

Taxonomy:

Rhododendron hybr.

Cultivar:

'Mrs John Penn'

Origin:

Origin – United Kingdom

Maintained:

The Silva Tarouca Research Institute for Landscape and Ornamental Gardening

Received by CRI:

1977

Improvement Status:

Advanced/improved cultivar

Life form:

Shrub

Growth class:

flowers: perennial vegetatively propagated

Is Core:

Form Received:

Field collection

Availability

Form	Quantity	Note	Inventory	Cart
Cutting	2 cuttings		12E0100437

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
available only in term November - March

There are no images for this accession.

Core Passport Data

Taxonomy:

Rhododendron hybr.

Cultivar:

'Mrs John Penn'

Origin:

Origin – United Kingdom

Maintained:

The Silva Tarouca Research Institute for Landscape and Ornamental Gardening

Received by CRI:

1977

Improvement Status:

Advanced/improved cultivar

Life form:

Shrub

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

'Mrs John Penn'

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	119 Susceptibility to Exobasidium rhododenri and E. japonicum	Without inoculation in monoculture	0 - infection not found	2017 Research Institute of Ornamental Gardening_Rhododendron
MORPHOLOGY	001 Plant - persistence of leaves	001 Plant - persistence of leaves	3 - evergreen	2016 Research Institute of Ornamental Gardening_Rhododendron
MORPHOLOGY	003 Plant - habit	Fig. 1	5 - rounded to spreading 1,2 – 0,6	2017 Research Institute of Ornamental Gardening_Rhododendron
MORPHOLOGY	011 Young leaf - pubescence on the lower side	Young leaves are observed as soon as they have reached full size	0 - hairless	2017 Research Institute of Ornamental Gardening_Rhododendron
MORPHOLOGY	012 Mature leaf - blade shape	Fig. 2 / Matured leaves are observed at the time of end of growth	3 - elliptic	2017 Research Institute of Ornamental Gardening_Rhododendron
MORPHOLOGY	013 Mature leaf - blade length	Matured leaves are observed at the time of end of growth	7 - long 10,1 -14 (cm)	2017 Research Institute of Ornamental Gardening_Rhododendron
MORPHOLOGY	023 Inflorescence - attitude on the shoot	Fig. 3	1 - terminal	2017 Research Institute of Ornamental Gardening_Rhododendron
MORPHOLOGY	028 Flower - funnel-shaped	Fig. 6	3 - rotate-funnel-shaped	2017 Research Institute of Ornamental Gardening_Rhododendron
MORPHOLOGY	035 Flower - number of corolla lobes	035 Flower - number of corolla lobes	3 - low 5	2017 Research Institute of Ornamental Gardening_Rhododendron
MORPHOLOGY	036 Flower - type of the flower	Fig. 8	1 - single	2017 Research Institute of Ornamental Gardening_Rhododendron
MORPHOLOGY	038 Flower - colour of corolla edges in comparison with flower colour	038 Flower - colour of corolla edges in comparison with flower colour	9 - visibly darker	2017 Research Institute of Ornamental Gardening_Rhododendron
MORPHOLOGY	045 Flower - yellow orange colour on inner side	045 Flower - yellow orange colour on inner side	0 - absent	2017 Research Institute of Ornamental Gardening_Rhododendron
MORPHOLOGY	046 Flower - orange colour on inner side	046 Flower - orange colour on inner side	0 - absent	2017 Research Institute of Ornamental Gardening_Rhododendron
MORPHOLOGY	048 Flower - orange red colour on inner side	048 Flower - orange red colour on inner side	0 - absent	2017 Research Institute of Ornamental Gardening_Rhododendron
MORPHOLOGY	070 Flower - orange colour on outer side	070 Flower - orange colour on outer side	0 - absent	2017 Research Institute of Ornamental Gardening_Rhododendron
MORPHOLOGY	072 Flower - orange red colour on outer side	072 Flower - orange red colour on outer side	0 - absent	2017 Research Institute of Ornamental Gardening_Rhododendron
MORPHOLOGY	099 The ratio pistil : stamens length	099 The ratio pistil : stamens length	6 - pistil longer	2017 Research Institute of Ornamental Gardening_Rhododendron
MORPHOLOGY	100 Pistil - stigma colour	100 Pistil - stigma colour	4 - red	2017 Research Institute of Ornamental Gardening_Rhododendron
MORPHOLOGY	101 Pistil - uniformity of style colour	101 Pistil - uniformity of style colour	1 - unified	2017 Research Institute of Ornamental Gardening_Rhododendron
MORPHOLOGY	102 Pistil - unifed colour of style	102 Pistil - unifed colour of style	2 - whitish yellow	2017 Research Institute of Ornamental Gardening_Rhododendron
MORPHOLOGY	103 Pistil - double colour of style	103 Pistil - double colour of style	0 - absent	2017 Research Institute of Ornamental Gardening_Rhododendron
MORPHOLOGY	111 Flower - fragrance	111 Flower - fragrance	0 - absent	2017 Research Institute of Ornamental Gardening_Rhododendron
MORPHOLOGY	068 Flower - yellow colour on outer side (deep tones)	068 Flower - yellow colour on outer side (deep tones)	0 - absent	2017 Research Institute of Ornamental Gardening_Rhododendron
MORPHOLOGY	069 Flower - yellow orange colour on outer side	069 Flower - yellow orange colour on outer side	0 - absent	2017 Research Institute of Ornamental Gardening_Rhododendron
MORPHOLOGY	090 Flower - presence of design	090 Flower - presence of design	1 - present	2017 Research Institute of Ornamental Gardening_Rhododendron
MORPHOLOGY	092 Flower - distinctness of design	092 Flower - distinctness of design	5 - intermediate	2017 Research Institute of Ornamental Gardening_Rhododendron
MORPHOLOGY	093 Flower - location of design	Fig. 9	2 - upper three lobes	2017 Research Institute of Ornamental Gardening_Rhododendron
MORPHOLOGY	094 Flower - type of design	Fig. 10	3 - hook-like	2017 Research Institute of Ornamental Gardening_Rhododendron
MORPHOLOGY	096 Flower - colour of design (light colours)	Type variety ‘Genoveva’. Colour observation 1 – 2 days after full bloom of the flower.	2 - yellow green	2017 Research Institute of Ornamental Gardening_Rhododendron
MORPHOLOGY	104 Stamens - number	104 Stamens - number	5 - intermediate constant 10	2017 Research Institute of Ornamental Gardening_Rhododendron
MORPHOLOGY	106 Stamens - colour of filaments	106 Stamens - colour of filaments	1 - unified	2017 Research Institute of Ornamental Gardening_Rhododendron
MORPHOLOGY	107 Stamens - colour of filaments unified	107 Stamens - colour of filaments unified	4 - pink	2017 Research Institute of Ornamental Gardening_Rhododendron
MORPHOLOGY	108 Stamens - double colour of filaments	108 Stamens - double colour of filaments	0 - absent	2017 Research Institute of Ornamental Gardening_Rhododendron
MORPHOLOGY	005 Shoot - colour in the upper part	Sprouting shoot	7 - brown	2017 Research Institute of Ornamental Gardening_Rhododendron
MORPHOLOGY	006 Shoot - indumentum	Sprouting shoot	0 - hairless	2017 Research Institute of Ornamental Gardening_Rhododendron
MORPHOLOGY	007 Young leaf - colour of upper side	Young leaves are observed as soon as they have reached full size	3 - medium green	2017 Research Institute of Ornamental Gardening_Rhododendron
MORPHOLOGY	008 Young leaf - colour of lower side	Young leaves are observed as soon as they have reached full size	2 - light green	2017 Research Institute of Ornamental Gardening_Rhododendron
MORPHOLOGY	015 Mature leaf - petiole length	Matured leaves are observed at the time of end of growth	5 - intermediate 1,5- 3 (cm)	2017 Research Institute of Ornamental Gardening_Rhododendron
MORPHOLOGY	018 Mature leaf - indumentum on the lower side	Matured leaves are observed at the time of end of growth	0 - hairless	2017 Research Institute of Ornamental Gardening_Rhododendron
MORPHOLOGY	019 Mature leaf - colour of upper side	Matured leaves are observed at the time of end of growth	4 - dark green	2017 Research Institute of Ornamental Gardening_Rhododendron
MORPHOLOGY	021 Mature leaf - colour of lower side	Matured leaves are observed at the time of end of growth	3 - medium green	2017 Research Institute of Ornamental Gardening_Rhododendron
MORPHOLOGY	029 Flower - campanulate shape	Fig. 7	0 - absent	2017 Research Institute of Ornamental Gardening_Rhododendron
MORPHOLOGY	030 Flower - diameter	Maximal value at open flower	6 - intermediate to long 7,1 - 9 (cm)	2017 Research Institute of Ornamental Gardening_Rhododendron
MORPHOLOGY	032 Flower - presence of calyx	032 Flower - presence of calyx	1 - present	2017 Research Institute of Ornamental Gardening_Rhododendron
MORPHOLOGY	033 Flower - length of the longest sepal	033 Flower - length of the longest sepal	7 - long > 5 (mm)	2017 Research Institute of Ornamental Gardening_Rhododendron
MORPHOLOGY	040 Flower - incision of corolla margin	040 Flower - incision of corolla margin	7 - deep > 1/2	2017 Research Institute of Ornamental Gardening_Rhododendron
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	2017 Research Institute of Ornamental Gardening_Rhododendron
MORPHOLOGY	043 Flower - yellow colour on inner side (light tones)	043 Flower - yellow colour on inner side (light tones)	0 - absent	2017 Research Institute of Ornamental Gardening_Rhododendron
MORPHOLOGY	044 Flower - yellow colour on inner side (deep tones)	044 Flower - yellow colour on inner side (deep tones)	0 - absent	2017 Research Institute of Ornamental Gardening_Rhododendron