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Details for: Ames 26922,
Betula papyrifera
Marshall, 'Varen'
Summary
Passport
Taxonomy
Other
Pedigree
IPR
Observation
Summary Data
Taxonomy:
Betula papyrifera
Marshall
Cultivar:
'Varen'
Origin:
Developed – North Dakota, United States
Maintained:
North Central Regional Plant Introduction Station
Received by NPGS:
09 May 2002
Form Received:
Plant
Life Cycle:
Perennial
Life Habit:
Tree
Availability
This accession is not available. Contact site for status.
North Central Regional Plant Introduction Station
There are no images for this accession.
Core Passport Data
Taxonomy:
Betula papyrifera
Marshall
Cultivar:
'Varen'
Origin:
Developed – North Dakota, United States
Maintained:
North Central Regional Plant Introduction Station
Received by NPGS:
09 May 2002
Form Received:
Plant
Life Cycle:
Perennial
Life Habit:
Tree
Source History
Developed
North Dakota, United States
Developer(s):
Chaput, Larry J., North Dakota State University
Cheng, Zong Ming, North Dakota State University
Dai, David, North Dakota State University
Herman, Dale E., North Dakota State University
Donated
09 May 2002.
North Dakota, United States
Donor(s):
Herman, Dale E., North Dakota State University
Accession Group(s)
Group name: NC7.Regional.Ornamental.Plant.Trials
Note:
Accessions distributed through the NC-7 Regional Woody Ornamental Trials.
To search for accessions in this group, click the following link.
NC7.Regional.Ornamental.Plant.Trials
Accession Names and Identifiers
'Varen'
Type: Cultivar name
Ames 26922
Type: Site identifier
Group: AMES
NC-7 Research Numbers
Prairie Dream
Type: Trademark name
Narrative
Superior stress tolerance based on western North Dakota source of origin. Highly bronze birch borer (Agrilus anxius Gory) resistant. Very winterhardy, native North Dakota tree (withstands -39 to -40 degrees C). Exceptional clear white bark, stems begin changing to whitish at 7-14 millimeters in diameter. Marked exfoliation of bark. Quality dark green foliage. Upright, oblong-elliptical form, becoming somewhat more oval-rounded with maturity. Excellent golden-yellow autumn foliage coloration. Good resistance to birch leaf miner (Fenusa pusilla Lepeletier) to date. Adapted to alkaline soils (pH 8.2+).
Betula papyrifera
Marshall
Genus:
Betula
Subgenus:
Betula
Section:
Betula
Family:
Betulaceae
Subfamily:
Betuloideae
Nomen number:
7122
Place of publication:
Arbust. amer. 19. 1785
Verified:
09/15/2015
by ARS Systematic Botanists.
Other conspecific taxa
Autonyms (not in current use), synonyms and invalid designations
Autonym(s)
Betula papyrifera
Marshall var.
papyrifera
Heterotypic Synonym(s)
Betula excelsa
Aiton
Betula lyalliana
Koehne, nom. nud.
Betula papyrifera
Marshall var.
commutata
(Regel) Fernald
Common names
Language
Name
Alternate name
note
seq
Citation
English
canoe birch
1
Little, E. L., Jr.
1979. Checklist of United States trees, Agric. Handb. 541
English
paper birch
1
Wiersema, J. H. & B. León.
1999.
World economic plants: a standard reference
CRC Press, Boca Raton, FL.
English
white birch
1
Little, E. L., Jr.
1979. Checklist of United States trees, Agric. Handb. 541
English (Canada)
paper birch
Agriculture & Agri-Food Canada official name
2
Darbyshire, S. J.
2003. Inventory of Canadian Agricultural Weeds Agriculture and Agri-Food Canada. 62.
French
bouleau à papier
2
FNA Editorial Committee.
1993-.
Flora of North America.
French
bouleau blanc
2
FNA Editorial Committee.
1993-.
Flora of North America.
French (Canada)
bouleau à papier
Agriculture & Agroalimentaire Canada nom officiel
2
Darbyshire, S. J.
2003. Inventory of Canadian Agricultural Weeds Agriculture and Agri-Food Canada. 62.
Italian
betulla papirifera
2
International Seed Testing Association.
1982. A Multilingual Glossary of Common Plant-Names 1. Field crops, grasses and vegetables, ed. 2.
Swedish
pappersbjörk
2
Aldén, B., S. Ryman, & M. Hjertson.
2012.
Svensk Kulturväxtdatabas, SKUD (Swedish Cultivated and Utility Plants Database; online resource)
Name
References
Annotations
Other Links
NC7 Trials Plant Description
Actions
Description Of NC7 Ornamental Trials:
The NC-7 Regional Ornamental Plant Trials, began in 1954 through the efforts of a small group of dedicated horticulturists under the leadership of Professor S.A. McCrory of South Dakota State College (now University). The north central United States is a region of climatic extremes, and many parts of the region have alkaline soils that developed under grasslands. Because of these conditions, the diversity found in commercially available woody plants adapted to the area is less than that found in most other parts of our nation. The NC-7 Regional Ornamental Plant Trials were started with the ultimate goal of expanding the range of useful plants in the nursery trade. The emphasis in this program has been placed on detailed, long-term evaluations at a broad range of sites rather than on promotion of new plants. The NC-7 Trials rely on a network of horticultural cooperators located at sites scattered across the Central United States. Cooperators establish plantings, observe and evaluate the plants through the seasons, and prepare performance reports one, five, and ten years after planting. These reports are sent to the North Central Regional Plant Introduction Station (NCRPIS) in Ames, Iowa where they are recorded. Because of the broad range of environments found among the trial sites, it is unusual for any particular trial plant to perform well at a majority of the sites, making system-wide releases difficult. However, when plants perform especially well at sites, the NCRPIS Horticulturist assists trial site cooperators in introducing the new plants, with any official releases initiated through the cooperators' institutions rather than through the Plant Introduction Station.
Pathogens
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