Plants – Herbaceous ornamnental flowering plant – Euphorbia
Plant Patent
2001-01-04
2002-11-05
Campell, Bruce R. (Department: 1661)
Plants
Herbaceous ornamnental flowering plant
Euphorbia
Plant Patent
active
PP013174
ABSTRACT:
BACKGROUND OF THE INVENTION
The present invention relates to a new and distinct cultivar of Poinsettia plant known by the cultivar name ‘Fismarble Silver’, and botanically known as
Euphorbia pulcherrima
. ‘Fismarble Silver’ was derived from a naturally occurring mutation in the variety ‘Marblestar’ (U.S. Plant Pat. No. 9,685). ‘Marblestar’ is characterized by salmon-pink, white margined bracts, intense green foliage, and medium tall, round plant habit.
The mutation was discovered by the inventor, Mr. Joachim Hitzigrath, in a greenhouse in Cuernavaca, Mexico, among a group of stock plants in the spring of 1999. One plant had developed a mutated branch with variegated foliage. Several cuttings were taken from the branch by the inventor, and sent to Hillscheid, Germany, where they were rooted and grown out. The resulting plants were examined in the autumn of 1999 and proved to be absolutely uniform. This was confirmed in the horticultural trial cultivation conducted on a larger scale from August to December 2000.
BRIEF DESCRIPTION OF THE INVENTION
The following traits have been repeatedly observed and are determined to be basic characteristics of ‘Fismarble Silver’ which in combination distinguish this Poinsettia as a new and distinct cultivar:
1. Intense salmon-pink bract color with narrow white margin;
2. Tight, relatively large inflorescence with slightly upward directed bracts;
3. Light greyish green, white margined foliage;
4. Rlatively compact and well-branched plant habit;
5. Medium (mid season) flowering response; and
6. Good after-sale keeping quality of the bracts and the cyathia.
‘Fismarble Silver’ has not been observed under all possible environmental conditions. The phenotype may vary significantly with variations in environment such as temperature, light intensity, and day length. 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 may commercial cultivars known to the inventor, the most similar in comparison to ‘Fismarble Silver’ is the parent cultivar ‘Marblestar’ and the cultivar ‘Fisflirt Silver’ (U.S. Plant Pat. No. 11,585). In contrast to ‘Marblestar’, ‘Fismarble Silver’ has variegated foliage that is lighter and more greyish-green in color. ‘Fismarble Silver’ produces foliage with narrow, irregular, white margins. Furthermore, ‘Fismarble Silver’ grows somewhat more slowly than ‘Marblestar’ and the ‘Fismarble Silver’ plant habit is more compact and lower by about 30% when grown under the same cultivation scheme as ‘Marblestar’. The flowering response time of ‘Fismarble Silver’ is similar to that of ‘Marbelstar’. The ‘Fismarble Silver’ inflorescence is only slightly smaller than ‘Marblestar’. ‘Fismarble Silver’ has slightly more intense bract color than ‘Marblestar’. The ‘Fismarble Silver’ bracts have whitish margins with a very slight pink hue while those of ‘Marblestar’ are cream-colored with a very slight brownish hue.
In comparison to ‘Fisflirt Silver’, ‘Fismarble Silver’ has a more intense bract color and differently shaped bracts. While bracts of ‘Fisflirt Silver’ are flat and borne horizontally, those of ‘Fismarble Silver’ are folded and somewhat upward directed. Furthermore, plants of ‘Fismarble Silver’ are marketable about 8 days earlier than ‘Fisflirt Silver’.
Florfis AG
Foley & Lardner
Kizilkaya Michelle
LandOfFree
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