Plants – Herbaceous ornamnental flowering plant – Euphorbia
Plant Patent
2002-06-18
2003-05-13
Campell, Bruce R. (Department: 1661)
Plants
Herbaceous ornamnental flowering plant
Euphorbia
Plant Patent
active
PP013805
ABSTRACT:
BOTANICAL CLASSIFICATION/CULTIVAR DENOMINATION
Euphorbia pulcherrima
Willd. cultivar Winterfest White.
BACKGROUND OF THE INVENTION
The present Invention relates to a new and distinct cultivar of Poinsettia plant, botanically known as
Euphorbia pulcherrima
Willd., and hereinafter referred to by the name ‘Winterfest White’.
The new Poinsettia is a product of a planned breeding program conducted by the Inventor in Lompoc, Calif. The objective of the breeding program is to create new Poinsettia cultivars with uniform plant habit and attractive flower bract coloration.
The new Poinsettia is a induced mutation of the
Euphorbia pulcherrima
Willd. cultivar Winterfest Marble, not patented. The new Poinsettia was discovered and selected by the Inventor as a single plant within a population of irradiated plants of the cultivar Winterfest Marble in a controlled environment in Lompoc, Calif. The selection of this plant was based on its attractive flower bract coloration and uniform plant habit.
Asexual reproduction of the new Poinsettia by vegetative terminal cuttings taken at Lompoc, Calif., has shown that the unique features of this new Poinsettia are stable and reproduced true to type in successive generations of asexual reproduction.
BRIEF SUMMARY OF THE INVENTION
The following traits have been repeatedly observed and are determined to be the unique characteristics of ‘Winterfest White’. These characteristics in combination distinguish ‘Winterfest White’ as a new and distinct cultivar:
1. Uniform plant growth habit.
2. Dark green-colored leaves with green-colored petioles.
3. Mid-season flowering habit.
4. Inflorescences with white-colored flower bracts.
5. Excellent post-production longevity.
Plants of the new Poinsettia differ primarily from plants of the parent cultivar in flower bract coloration as plants of the cultivar Winterfest Marble have pink and white bi-colored flower bracts.
Plants of the new Poinsettia can be compared to plants of the cultivar 490 White, disclosed in U.S. Plant Pat. No. 8,772. In side-by-side comparisons conducted in Lompoc, Calif., plants of the new Poinsettia differed from plants of the cultivar 490 White in the following characteristics:
1. Plants of the new Poinsettia were taller and not as outwardly spreading as plants of the cultivar 490 White.
2. Plants of the new Poinsettia flowered about 7 to 10 days later than plants of the cultivar 490 White under controlled photoperiod conditions.
3. Plants of the new Poinsettia had more cyathia per corymb than plants of the cultivar 490 White.
Campell Bruce R.
Kizilkaya Michelle
Oglevee Ltd.
Whealy C. A.
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