Plants – Shrub or vine – Clematis
Plant Patent
2002-09-11
2004-10-12
Campell, Bruce R. (Department: 1661)
Plants
Shrub or vine
Clematis
Plant Patent
active
PP015211
ABSTRACT:
Genus:
Clematis
.
Species:
cartmanii
.
Denomination: White Abundance.
BACKGROUND OF THE INVENTION
The present invention relates to a new and distinct cultivar of
Clematis
that is grown for use as a sub-shrub in the landscape. The new cultivar is known botanically as a
Clematis×cartmanii
and will be referred to hereinafter by the cultivar name ‘White Abundance’.
‘White Abundance’ resulted from a formal breeding program. The inventor bred ‘White Abundance’ in 1994 by induced hybridization between the pollen parent
Clematis
‘Avalanche’ (unpatented) and the seed parent
Clematis
‘White Cascade’ (unpatented). The cross was conducted in a cultivated area of Hampshire, England and ‘White Abundance’ was selected based on the unique and distinguishing traits of foliage form and color as well as short internodes. ‘White Abundance’ is a hybrid exhibiting panicles of fragrant cream-white flowers bloom in spring.
The closest comparison plant is
Clematis×cartmanii
‘Joe’ (unpatented). ‘White abundance’ is distinguishable from the comparison plant by short internodes and the form and color of the foliage. At maturity ‘White Abundance’ is 0.75-1.25 meters in height and 0.75-1.25 meters in width. ‘White Abundance’ differs from the parent plants ‘Avalanche’ and ‘White Cascade’ in vigor, internode length, finely dissected leaves, and flower size. ‘White Cascade’ and ‘Avalanche’ grow 10-16 cm. in a season. ‘White Abundance’ is less vigorous, growing 8 cm. in season. The internode length of ‘White Abundance’ is 5.50-8 cm., which is less than the parent plants. ‘White Cascade’ and ‘Avalanche’ exhibit internodes that are 10-16 cm. in length. The leaves of ‘White Abundance’ are fine in texture. ‘White Abundance’ exhibits flowers that are 3.50-5 cm. in diameter, as compared to ‘Avalanche’ which exhibits flowers that are 7-8 cm. in diameter, and ‘White Cascade’ which exhibits flowers that are 5.50-7 cm. in diameter.
The first asexual propagation was accomplished by the inventor in 1997 and carried out in a cultivated area of Hampshire, England. The method of propagation used was semi-ripe nodal stem cuttings. Since that time, under careful observation, the distinguishing characteristics have been determined stable, uniform and true to type in successive generations.
SUMMARY OF THE INVENTION
The following represent the distinguishing characteristics of the new
Clematis
cultivar ‘White Abundance’. In combination these traits set ‘White Abundance’ apart from all other existing varieties of
Clematis
known to the inventor. ‘White Abundance’ has not been tested under all possible conditions and phenotypic differences may be observed with variations in environmental, climatic, and cultural conditions, however, without any variance in genotype.
1.
Clematis
‘White Abundance’ exhibits fine fern-like green foliage.
2.
Clematis
‘White Abundance’ exhibits short internodes.
3.
Clematis
‘White Abundance’ produces a profusion of fragrant cream-white flowers in spring.
4.
Clematis
‘White Abundance’ is an evergreen sub-shrub.
5.
Clematis
‘White Abundance’ exhibits male flowers.
6.
Clematis
‘White Abundance’ is 0.75-1.25 meters in height and 0.75-1.25 meters in width at maturity.
Campell Bruce R.
Kizilkaya Michelle
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