Details for: 12E0100702, Rhododendron forrestii Balf. f. ex Diels, 'Largo'

Summary Data

Taxonomy:

Rhododendron forrestii Balf. f. ex Diels

Cultivar:

'Largo'

Origin:

Origin – Czechoslovakia

Maintained:

The Silva Tarouca Research Institute for Landscape and Ornamental Gardening

Received by CRI:

1988

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		12E0100702

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 forrestii Balf. f. ex Diels

Cultivar:

'Largo'

Origin:

Origin – Czechoslovakia

Maintained:

The Silva Tarouca Research Institute for Landscape and Ornamental Gardening

Received by CRI:

1988

Improvement Status:

Advanced/improved cultivar

Life form:

Perennial

Growth class:

flowers: perennial vegetatively propagated

Is Core:

Form Received:

Field collection

Source History

Developed

1965. Czech Republic

Developer(s):

Kavka, Bohumil, Výzkumný ústav okrasného zahradnictví

Donated

Czech Republic

Donator(s):

CZE079, The Silva Tarouca Research Institute for Landscape and Ornamental Gardening

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

'Largo'

Type: Cultivar name

Rhododendron forrestii 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 forrestii Balf. f. ex Diels

Genus:

Rhododendron

Subgenus:

Hymenanthes

Section:

Ponticum

Family:

Ericaceae

Subfamily:

Ericoideae

Tribe:

Rhodoreae

Nomen number:

5118

Place of publication:

Notes Roy. Bot. Gard. Edinburgh 5:211. 1912

Verified:

April 16, 1996 by ARS Systematic Botanists.

Other conspecific taxa

Rhododendron forrestii Balf. f. ex Diels subsp. forrestii (9 active accession[s])
Rhododendron forrestii Balf. f. ex Diels subsp. papillatum D. F. Chamb. (0 active accession[s])

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

Common names

Annotations

Observations

Phenotype Data

Category	Descriptor	Description	Value	Study
BIOLOGY	112 Winter frost damage - leaves	Fig. 11	1 - very low, damaged on tips or margins	2002 Research Institute of Ornamental Gardening Pruhonice
BIOLOGY	113 Winter frost damage - flower buds	113 Winter frost damage - flower buds	1 - very low, some buds opened or were deformed	2002 Research Institute of Ornamental Gardening Pruhonice
BIOLOGY	118 Susceptibility to feeding Otiorrhynchus sp.	Without inoculation in monoculture	3 - low	2002 Research Institute of Ornamental Gardening Pruhonice
MORPHOLOGY	001 Plant - persistence of leaves	001 Plant - persistence of leaves	3 - evergreen	2002 Research Institute of Ornamental Gardening Pruhonice
MORPHOLOGY	002 Plant - density of branches and foliage	002 Plant - density of branches and foliage	7 - compact	2002 Research Institute of Ornamental Gardening Pruhonice
MORPHOLOGY	003 Plant - habit	Fig. 1	5 - rounded to spreading 1,2 – 0,6	2002 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	0 - absent	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	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	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	2 - oblong	2002 Research Institute of Ornamental Gardening Pruhonice
MORPHOLOGY	013 Mature leaf - blade length	Matured leaves are observed at the time of end of growth	4 - short to medium 4,1- 6 (cm)	2002 Research Institute of Ornamental Gardening Pruhonice
MORPHOLOGY	023 Inflorescence - attitude on the shoot	Fig. 3	1 - terminal	2002 Research Institute of Ornamental Gardening Pruhonice
MORPHOLOGY	024 Inflorescence - number of flowers	024 Inflorescence - number of flowers	3 - low 3 - 5	2002 Research Institute of Ornamental Gardening Pruhonice
MORPHOLOGY	026 Flower - shape of flower bud	Fig. 5	3 - ovate sharpened	2002 Research Institute of Ornamental Gardening Pruhonice
MORPHOLOGY	035 Flower - number of corolla lobes	035 Flower - number of corolla lobes	3 - low 5	2002 Research Institute of Ornamental Gardening Pruhonice
MORPHOLOGY	036 Flower - type of the flower	Fig. 8	1 - single	2002 Research Institute of Ornamental Gardening Pruhonice
MORPHOLOGY	037 Flower - corolla undulation of margins	037 Flower - corolla undulation of margins	3 - weak	2002 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	2002 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)	5 - the same	2002 Research Institute of Ornamental Gardening Pruhonice
MORPHOLOGY	064 Flower - supplemental colour on inner side	064 Flower - supplemental colour on inner side	7 - purple	2002 Research Institute of Ornamental Gardening Pruhonice
MORPHOLOGY	088 Flower - supplemental colour on outer side	088 Flower - supplemental colour on outer side	7 - purple	2002 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	4 - midrib of lobes	2002 Research Institute of Ornamental Gardening Pruhonice
MORPHOLOGY	099 The ratio pistil : stamens length	099 The ratio pistil : stamens length	6 - pistil longer	2002 Research Institute of Ornamental Gardening Pruhonice
MORPHOLOGY	101 Pistil - uniformity of style colour	101 Pistil - uniformity of style colour	1 - unified	2002 Research Institute of Ornamental Gardening Pruhonice
MORPHOLOGY	102 Pistil - unifed colour of style	102 Pistil - unifed colour of style	3 - whitish green	2002 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).	3 - early 16.4 - 30.4.	2002 Research Institute of Ornamental Gardening Pruhonice
MORPHOLOGY	111 Flower - fragrance	111 Flower - fragrance	0 - absent	2002 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	4 - midrib of lobes	2002 Research Institute of Ornamental Gardening Pruhonice
MORPHOLOGY	090 Flower - presence of design	090 Flower - presence of design	0 - absent	2002 Research Institute of Ornamental Gardening Pruhonice
MORPHOLOGY	104 Stamens - number	104 Stamens - number	3 - low constant 5	2002 Research Institute of Ornamental Gardening Pruhonice
MORPHOLOGY	105 Stamens - colour of ripe anthers	105 Stamens - colour of ripe anthers	5 - brown	2002 Research Institute of Ornamental Gardening Pruhonice
MORPHOLOGY	106 Stamens - colour of filaments	106 Stamens - colour of filaments	2 - different in lower and upper parts	2002 Research Institute of Ornamental Gardening Pruhonice
MORPHOLOGY	108 Stamens - double colour of filaments	108 Stamens - double colour of filaments	7 - pink, up white	2002 Research Institute of Ornamental Gardening Pruhonice
MORPHOLOGY	004 Plant - height	In 10 years of age	5 - medium 51- 90 (cm)	2002 Research Institute of Ornamental Gardening Pruhonice
MORPHOLOGY	005 Shoot - colour in the upper part	Sprouting shoot	3 - light green	Research Institute of Ornamental Gardening Pruhonice
MORPHOLOGY	006 Shoot - indumentum	Sprouting shoot	3 - sparse hairs	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	3 - medium green	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	2 - light green	Research Institute of Ornamental Gardening Pruhonice
MORPHOLOGY	014 Mature leaf - blade width	Matured leaves are observed at the time of end of growth	4 - narrow to medium 1,6- 2,5 (cm)	2002 Research Institute of Ornamental Gardening Pruhonice
MORPHOLOGY	015 Mature leaf - petiole length	Matured leaves are observed at the time of end of growth	3 - short 0,5- 1,4 (cm)	2002 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	0 - hairless	2002 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	4 - dark green	2002 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	2002 Research Institute of Ornamental Gardening Pruhonice
MORPHOLOGY	029 Flower - campanulate shape	Fig. 7	5 - tubular-campanulate	2002 Research Institute of Ornamental Gardening Pruhonice
MORPHOLOGY	030 Flower - diameter	Maximal value at open flower	5 - intermediate 4,1 - 7 (cm)	2002 Research Institute of Ornamental Gardening Pruhonice
MORPHOLOGY	031 Flower - length of peduncle	031 Flower - length of peduncle	4 - short to intermediate 1,6 - 2,5 (cm)	2002 Research Institute of Ornamental Gardening Pruhonice
MORPHOLOGY	032 Flower - presence of calyx	032 Flower - presence of calyx	0 - absent	2002 Research Institute of Ornamental Gardening Pruhonice
MORPHOLOGY	040 Flower - incision of corolla margin	040 Flower - incision of corolla margin	3 - flat < 1/3	2002 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	5 - the same	2002 Research Institute of Ornamental Gardening Pruhonice
PHYSIOLOGY	122 Reproducibility - cutting	122 Reproducibility - cutting	9 - very well - rooted 80-100%	2002 Research Institute of Ornamental Gardening Pruhonice