Plants – Rose – Climber
Plant Patent
2000-06-09
2001-12-18
Campell, Bruce R. (Department: 1661)
Plants
Rose
Climber
Plant Patent
active
PP012298
ABSTRACT:
BACKGROUND OF THE INVENTION
The present invention relates to a new and distinct cultivar of Poinsettia plant known by the cultivar name ‘Fisson Gold’, and botanically known as
Euphorbia pulcherrima.
‘Fisson Gold’ was derived from a naturally-occurring mutation of the variety ‘Fissonosa’ (U.S. Plant Pat. No. 10,182). ‘Fisson Gold’ was discovered by the inventor, Jens Helmut Piscator, among a group of stock plants in Olhao, Portugal, in 1996. ‘Fissonosa’ is characterized by its pink-colored bracts with strong, pointed lobes, uniform dark-green foliage and relatively compact, round plant habit.
‘Fisson Gold’ originated from a single plant displaying a branch with variegated foliage. Cuttings were taken from this branch, rooted and grown out by the inventor. One of the resulting plants, which was completely mutated, was taken to Hillscheid, Germany, in winter 1997/98, for further examination. Since the bicolored foliage looked attractive even without flowers, the plant was chosen and was used as a stock plant for asexual propagation.
Horticultural examination of the variety starting in the late summer of 1998, and continuing thereafter, has demonstrated that the combination of characteristics as herein disclosed for ‘Fisson Gold’ are firmly fixed and retained through successive generations of asexual reproduction.
BRIEF DESCRIPTION OF THE INVENTION
The following traits have been repeatedly observed and are determined to be basic characteristics of ‘Fisson Gold’ which in combination distinguish this Poinsettia as a new and distinct cultivar:
1. Light to medium-pink bract color;
2. Medium-sized, star-shaped inflorescence with distinctly pointed bracts;
3. Bicolored foliage with dark-green main color and bright, yellow-colored center of the leaves;
4. Light, slightly yellowish stems and petioles without chlorophyll but with strong reddish infusion in parts; and
5. Weak growth and compact, low plant habit.
‘Fisson Gold’ has not been observed under all possible environmental conditions. The phenotype may vary significantly with variations in environment such as temperature, light intensity and daylength without any change in genotype. The following observations, measurements and comparisons describe plants grown in Hillscheid, Germany, under greenhouse conditions which approximate those generally used in commercial practice.
Of the many commercial cultivars known to the inventor, the most similar in comparison to ‘Fisson Gold’ is the parental cultivar ‘Fissonosa’. Reference is made to attached Chart A which compares certain characteristics of ‘Fisson Gold’ to those same characteristics of ‘Fissonosa’.
Chart A
‘Fisson Gold’
‘Fissonosa’
Plant height
26.6 cm
39.1 cm
No. of branches
5.8
9.3
Size of leaf
11.5 cm
16.5 cm
Size of bract
9.1 cm
13.2 cm
Foliage color
bicolored, dark-green and
uniform dark-green
yellow
In contrast to ‘Fissonosa’, which has uniform, dark-green colored leaves, ‘Fisson Gold’ has distinctly variegated foliage with a chlorophyll-free, yellowish to golden-colored central area of the leaf, and yellowish stems and petioles. Due to the lack of chlorophyll, the infusion of anthocyanin, though basically not stronger than with the parental variety, creates a distinct pink to orange hue on parts of stems and petioles. Furthermore, ‘Fisson Gold’ grows considerably more slowly, and therefore develops fewer branches and has a considerably smaller and lower plant habit when grown under the same cultivation schedule.
REFERENCES:
patent: 99-1556 (1999-01-01), None
patent: EUP 210 (1998-09-01), None
patent: 99/1192 (1999-08-01), None
patent: 11746 (1999-05-01), None
patent: 0 660/0 689 (1999-04-01), None
UPOV-ROM GTITM Computer Database 2000/05, GTI JOUVE Retrieval Software, citation(s) for ‘Fisson Gold’ Oct. 10, 2000.
Campell Bruce R.
Florfis AG
Foley & Lardner
Para A H.
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