Plants – Rose – Climber
Plant Patent
2000-04-07
2001-12-04
Campell, Bruce R. (Department: 1661)
Plants
Rose
Climber
Plant Patent
active
PP012258
ABSTRACT:
SUMMARY OF THE INVENTION
The present invention comprises a new and distinct cultivar of
Potentilla fruticosa
plant, and hereinafter is referred to by the cultivar name ‘UMan’.
The new cultivar was the product of a planned breeding program which had the objective of creating a new
Potentilla fruticosa
cultivar having a novel and highly distinctive phenotype.
The breeding program which resulted in the creation of the new cultivar of the present invention was carried out during 1986 in a controlled environment at the Department of Plant Science, University of Manitoba, Winnipeg, Manitoba, Canada. Initially, the ‘Pink Whisper’ cultivar (non-patented in the United States) as pollen parent was crossed with the ‘Yellowbird’ cultivar (non-patented in the United States) as seed parent. The ‘Pink Whisper’ parent displayed medium-sized pink blossoms, and the ‘Yellowbird’ parent displayed medium-sized dark yellow semi-double blossoms. The parentage of the new cultivar can be summarized as follows:
‘Yellowbird’בPink Whisper’.
The seedlings resulting from this cross were grown in test plots and a seedling was selected during 1987 in view of the outstanding horitcultural characteristics that are discussed hereafter. Had this selection not been made the new cultivar of the present invention would have been lost to mankind. This diploid seedling initially was designated Selection No. 87129. It was found that this new cultivar of the present invention exhibited the following combination of characteristics:
(a) is a small to medium sized plant having a dense and compact growth habit,
(b) forms attractive medium green pinnately compound leaves, and
(c) forms in profusion attractive single bicolored flowers that are deep yellow with orange-red coloration radiating outward from the center.
The new cultivar displays a dense, compact and neat appearance. It can be used to provide attractive ornamentation in the landscape under a wide range of climatic conditions. The flowers are formed from summer until frost in Manitoba, Canada. The flower coloration varies somewhat depending upon the temperature that is encountered. For instance, a more intense red is observed when grown under cooler weather conditions. Since the ‘UMan’ cultivar has not been observed under all possible environmental conditions to date, it is possible that the phenotype may vary somewhat with other variations in the environment.
The new cultivar of the present invention readily can be distinguished from the previously released ‘Pink Beauty’ cultivar (U.S. Plant Pat. No. 9,874). More specifically, the blossoms of the ‘Pink Beauty’ cultivar are semi-double and pink in coloration while those of the new ‘UMan’ cultivar are single and are bicolored deep yellow and orange-red.
Asexual propagation of the new cultivar by softwood cuttings at (a) the University of Manitoba, Winnipeg, Manitoba, Canada, (b) Portage la Prairie, Manitoba, Canada, and (c) St. Paul, Minn., U.S.A., has demonstrated that the characteristics of the new cultivar described herein are firmly fixed, are reproduced true to type, and are retained through successive generations of asexual propagation.
Bell Kent L.
Burns Doane Swecker & Mathis L.L.P.
Campell Bruce R.
University of Manitoba
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