Details for: 12E0100159, Rhododendron hybr., 'Helmholtz'


Summary Data
Taxonomy:
Rhododendron hybr.
Cultivar:
'Helmholtz'
Origin:
Origin – Germany
Improvement Status:
Advanced/improved cultivar
Life form:
Perennial
Growth class:
flowers: perennial vegetatively propagated
Is Core:
N
Form Received:
Field collection
Availability
The item(s) is/are currently not available; request when available, as shown:
Cutting: November 01 - March 31
curator must confirm the availability
  
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Core Passport Data
Taxonomy:
Rhododendron hybr.
Cultivar:
'Helmholtz'
Origin:
Origin – Germany
Improvement Status:
Advanced/improved cultivar
Life form:
Perennial
Growth class:
flowers: perennial vegetatively propagated
Is Core:
N
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
'Helmholtz'
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: . 03 Nov 1999.
Pathogens
Vouchers
Citations
Pedigree
Pollination type:
(4) Crossing
Description:
Mrs.Milner/Boule de Neige
Intellectual Property Rights
Czech registration. Issued: 01 Jan 1920.
MLS. (Multi-Lateral System FAO item.)
MLS.
FAO Standard Material Transfer Agreement.
Year of termination of breeding. Issued: 01 Jan 1906.

Observations

Phenotype Data

CategoryDescriptorDescriptionValueStudyInventoryAvailability
MORPHOLOGY001 Plant - persistence of leaves001 Plant - persistence of leaves3 - evergreen2016 Research Institute of Ornamental Gardening_Rhododendron Out of Season