Plants – Rose – Climber
Plant Patent
1999-12-13
2001-08-28
Campell, Bruce R. (Department: 1661)
Plants
Rose
Climber
Plant Patent
active
PP012066
ABSTRACT:
BACKGROUND OF THE INVENTION
The present invention relates to a new and distinct cultivar of Heuchera, botanically known as Heuchera sp., and hereinafter referred to by the cultivar name Silver Scrolls.
The new cultivar is a product of a planned breeding program conducted by the Inventor in Scottdale, Pa. The objective of the breeding program is to create new Heuchera cultivars having good vigor and uniform plant habit; showy and attractive flowers; attractive silvery-metallic foliage; and good garden performance.
The new cultivar was selected by the Inventor in Scottdale, Pa., from seedling progeny from the Inventor's cross made in 1996 of the Heuchera sp. cultivar Harmonic Convergence, disclosed in U.S. Plant Pat. No. 11,111, as the male or pollen parent with the Heuchera sp. cultivar Petite Bronze Pearl (unpatented) as the female or seed parent.
Asexual reproduction of the new cultivar by divisions and by cuttings taken at Scottdale, Pa., has shown that the unique features of this new Heuchera plant are stable and reproduced true to type in successive generations of asexual reproduction.
SUMMARY OF THE INVENTION
The new Heuchera plant has not been observed under all possible environmental conditions. The phenotype may vary significantly with variations in environment such as temperature, light level, nutritional and water status without, however, any variance in genotype.
The following traits have been repeatedly observed and are determined to be the unique characteristics of ‘Silver-Scrolls’. These characteristics in combination distinguish the new Heuchera plant as a new and distinct cultivar:
1. Proportional plants with respect to quantity of flowers to foliage density.
2. Unique leaf coloration: silvery-metallic with tracings of dark veins.
3. Numerous showy white flowers on erect cylindrical-shaped panicles.
4. Excellent garden performance.
In side-by-side comparisons in Scottdale, Pa., under commercial practice, plants of the new Heuchera differ from plants of the male parent, the cultivar Harmonic Convergence, in the following characteristics:
1. Plants of the new Heuchera have cylindrical-shaped panicles that are held upright whereas plants of the new cultivar Harmonic Convergence have conical-shaped panicles that are held perpendicular to about 45° from vertical.
2. Foliage of plants of the new Heuchera has a silvery metallic sheen whereas foliage of plants of the cultivar Harmonic Convergence does not have a metallic sheen.
3. Flowers of plants of the new Heuchera are white in color whereas plants of the Harmonic Convergence have pink-colored flowers.
4. Plants of the cultivar Harmonic Convergence have exerted styles and recurved petals whereas plants of the new Heuchera do not have exerted styles no recurved petals.
In side-by-side comparisons in Scottdale, Pa., under commercial practice, plants of the new Heuchera are different from plants of the female parent, the cultivar Petite Bronze Pearl in the following characteristics:
1. Plants of the new Heuchera are larger with larger inflorescences and larger leaves than plants of the cultivar Petite Bronze Pearl.
2. Foliage of plants of the new Heuchera is mostly silvery metallic with dark veins whereas foliage of plants of the cultivar Petite Bronze Pearl are uniformly bronze-green in color.
3. Flowers of plants of the new Heuchera are white in color whereas plants of Petite Bronze Pearl have light pink-colored flowers.
4. Plants of the cultivar Petite Bronze Pearl have exerted styles whereas plants of the new Heuchera do not have exerted styles.
Plants of the new Heuchera can be compared to plants of the commercial cultivar Pewter Veil, disclosed in U.S. Plant Pat. No. 8,984. In side-by-side comparisons in Scottdale, Pa., under commercial practice, plants of the new Heuchera are different from plants of the cultivar Pewter Veil in the following characteristics:
1. Plants of the new Heuchera have cylindrical-shaped panicles that are held upright whereas panicles of plants of the cultivar Pewter Veil have an open habit and are outwardly spreading.
2. Foliage of plants of the new Heuchera is mostly silvery metallic with dark veins whereas foliage of plants of the cultivar Pewter Veil has small areas of metallic coloration suffused with purple.
3. Flowers of plants of the new Heuchera are white in color whereas plants of the Pewter Veil have yellowish green-colored flowers.
4. Flowering stems of plants of the new Heuchera are more suitable for cut flowers than flowering stems of plants of the cultivar Pewter Veil.
Plants of the new Heuchera can be compared to plants of the nonpatented commercial cultivar Palace Purple. In side-by-side comparisons in Scottdale, Pa., under commercial practice, plants of the new Heuchera differ from plants of the cultivar Palace Purple in the following characteristics:
1. Plants of the new Heuchera have panicles that are held upright whereas panicles of plants of the cultivar Palace Purple are freely spreading.
2. Foliage of plants of the new Heuchera is mostly silvery metallic with dark veins whereas foliage of plants of the cultivar Palace Purple are uniformly bronze-purple in color.
3. Foliage color of plants of the new Heuchera is retained under high light and temperatures conditions whereas foliage color of plants of the cultivar Palace Purple fades to bronze-green under high light and temperatures conditions.
4. Flowers of plants of the new Heuchera are white in color whereas plants of Palace Purple have green-colored flowers.
5. Flowering stems of plants of the new Heuchera are more suitable for cut flowers than flowering stems of plants of the cultivar Palace Purple.
Campell Bruce R.
Para Annette H.
Whealy C. A.
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