Plants – Conifer
Plant Patent
2001-12-08
2003-09-23
Campell, Bruce R. (Department: 1661)
Plants
Conifer
Plant Patent
active
PP014169
ABSTRACT:
BOTANICAL CLASSIFICATION/CULTIVAR DESIGNATION
Pinus parviflora
cultivar Blue Angel
BACKGROUND OF THE INVENTION
The present Invention relates to a new and distinct cultivar of Pine tree, botanically known as
Pinus parviflora,
and hereinafter referred to by the name ‘Blue Angel’.
The new Pine tree is a naturally-occurring whole plant mutation of the
Pinus parviflora
cultivar Glauca, not patented. The Inventor discovered the new Pine tree as a single plant within a population of plants of the parent ‘Glauca’ in a controlled environment in Zwischenahn, Germany during the summer of 1964. The selection of this new Pine tree was based of its silvery blue green-colored leaves.
Asexual reproduction of the new Pine tree by scions grafted onto rootstocks of an unidentified selection of
Pinus strobus,
not patented, in a controlled environment in Zwischenahn, Germany, since 1970 has shown that the unique features of this new Pine tree are stable and reproduced true to type in successive generations.
SUMMARY OF THE INVENTION
Plants of the cultivar Blue Angel have not been observed under all possible environmental conditions. The phenotype may vary somewhat with variations in environment and culture such as temperature, light intensity, and daylength without, however, any variance in genotype.
The following traits have been repeatedly observed and are determined to be the unique characteristics of ‘Blue Angel’. These characteristics in combination distinguish ‘Blue Angel’ as a new and distinct cultivar:
1. Upright and uniform plant habit.
2. Silvery blue-green-colored leaves.
3. Excellent garden performance.
Plants of the new Pine tree are most similar to plants of the parent, the cultivar Glauca. In side-by-side comparisons conducted in Zwischenahn, Germany, plants of the new Pine tree differed from plants of the cultivar Glauca, in the following characteristics:
1. Plants of the new Pine tree were more upright and not as broad as plants of the cultivar Glauca.
2. Plants of the new Pine tree were more freely branching and were denser and fuller than plants of the cultivar Glauca.
3. Plants of the new Pine tree grew more slowly than plants of the cultivar Glauca.
4. Leaves of plants of the new Pine tree were more silvery blue-green than leaves of plants of the cultivar Glauca.
5. Immature cones of the new Pine tree were purple in color whereas immature cones of the cultivar Glauca were green in color.
Campell Bruce R.
Hwu June
Jeddeloh Farms
Whealy C. A.
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