Plants – Shrub or vine – Hibiscus
Plant Patent
2000-03-20
2003-10-14
Campell, Bruce R. (Department: 1661)
Plants
Shrub or vine
Hibiscus
Plant Patent
active
PP014223
ABSTRACT:
BACKGROUND OF THE INVENTION
The present invention relates to a new and distinct variety of herbaceous perennial, more particularly to a hybrid variety of hibiscus.
BRIEF SUMMARY OF THE INVENTION
The new cultivar was developed by William L. Morrison as a progeny by cross-pollination in a garden in Park Ridge, Ill., a suburb of Chicago. The plant was originally produced as a seedling and has been successfully asexually reproduced by root crown division in a greenhouse located in the backyard of William Morrison, 1023 West Crescent Avenue, Park Ridge, Ill. 60068. The plant has also been reproduced by vegetative reproduction, i.e., by tip and stem cuttings. The original seedling had parentage of ‘Little Pink Riding Hood’ (unpatented) pollen parent and ‘Red, White & Pink’ (unpatented) seed parent, both of which are cultivars of
Hibiscus moscheutos
grown and named by William L. Morrison. The present cultivar is a herbaceous perennial; the stalks die back to ground level every winter and new stalks emerge in late spring. The trade name “MATTERHORN” has been coined for this cultivar, although the cultivar was neither marketed nor was its existence made public prior to the filing of the present plant patent application.
The present cultivar is distinguished by having flowers of from ten to twelve inches in diameter. These unusually large flowers can be cut and used for centerpiece displays. By comparison,
Hibiscus rosa
-
sinensis
(Chinese Hibiscus Rose of China) flowers are two to six inches in diameter, and
Hibiscus syriacus
(Rose-of-Sharon or Althea) flowers are three to six inches in diameter.
The large tricolor flowers of the present cultivar are distinguishable from the large solid pink flowers of its pollen parent and the small red, white and pink flowers of its seed parent. The present cultivar blooms about 2 weeks earlier, and its blooming cycle lasts 2-3 weeks longer, than its parents. The flowers of the present cultivar retain their flat shape for 1-2 days longer than either of its parents.
The greatest number of flowers for the present cultivar was obtained in environments of half to full sun. The largest flowers were obtained at summer temperatures from 70 to 100 degrees Fahrenheit. Smaller flowers were observed to bloom at temperatures as low as 50 to 60 degrees Fahrenheit.
Reproduction by root crown division consistently produces plants with identical, stable characteristics. A further botanical description of the new variety follows below. In the following descriptions, color references are made to The R.H.S. Colour Chart (1995, The Royal Horticultural Society), except where general terms of ordinary significance are used. Distinguishing color characteristics are listed on the attached Plant Color Coding Sheet. The distinguishing characteristics listed thereon should not necessarily be assumed to be exhaustive. Although the listed characteristics are believed to be the primary distinguishing color characteristics of the cultivar, it is possible that others may become evident upon further observation and comparison with other cultivars. These descriptions were made from specimens reproduced and grown under greenhouse and outdoor gardening conditions in suburban St. Louis, Mo.
Campell Bruce R.
Gilberg Perennial Farms, Inc.
Grünberg Anne Marie
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