Plants – Herbaceous ornamental foliage plant – Dieffenbachia
Plant Patent
2001-03-09
2002-07-16
Campell, Bruce R. (Department: 1661)
Plants
Herbaceous ornamental foliage plant
Dieffenbachia
Plant Patent
active
PP012776
ABSTRACT:
BACKGROUND OF THE INVENTION
The present Invention relates to a new and distinct cultivar of Dieffenbachia plant, botanically known as
Dieffenbachia picta
and hereinafter referred to by the name ‘Hatsuko’.
The new Dieffenbachia is a naturally-occurring whole plant mutation of an unnamed selection of
Dieffenbachia picta
, not patented. The new Dieffenbachia was discovered by the Inventor in 1981 in a controlled environment in Haiku, Hi., as a single plant within a population of plants of the unnamed selection of
Dieffenbachia picta.
Asexual propagation of the new cultivar by tissue-culture in Haiku, Hi., has shown that the unique features of this new Dieffenbachia are stable and reproduced true to type in successive generations.
SUMMARY OF THE INVENTION
The following traits have been repeatedly observed and are determined to be the unique characteristics of ‘Hatsuko’. These characteristics in combination distinguish ‘Hatsuko’ as a new and distinct cultivar:
1. Upright and outwardly arching growth habit with large leaves.
2. Freely clumping habit, full and dense plants; typically about 10 offshoots per plant.
3. Unique green and whitish green variegated leaves and petioles.
In side-by-side comparisons conducted by the Inventor in Haiku, Hi., plants of the new Dieffenbachia differed from plants of the parent selection of
Dieffenbachia picta
in the following characteristics:
1. Plants of the new Dieffenbachia are freely-clumping and produce more offshoots per plant than plants of the parent selection.
2. Plants of the new Dieffenbachia have more leaves and are more dense than plants of the parent selection.
3. Plants of the new Dieffenbachia have thicker main stems than plants of the parent selection.
4. Leaves of plants of the new Dieffenbachia and of the parent selection differ in variegation pattern.
Plants of the new Dieffenbachia can be compared to plants of the
Dieffenbachia picta
cultivar Rudolph Roehrs, not patented. However in side-by-side comparisons conducted by the Inventor in Haiku, Hi., plants of the new Dieffenbachia differed from plants of the cultivar Rudolph Roehrs in the following characteristics:
1. Plants of the new Dieffenbachia are freely-clumping and produce more offshoots per plant than plants of the cultivar Rudolph Roehrs.
2. Plants of the new Dieffenbachia have more leaves and are more dense than plants of the cultivar Rudolf Roehrs.
3. Plants of the new Dieffenbachia have stronger main stems than plants of the cultivar Rudolph Roehrs.
4. Leaves of plants of the new Dieffenbachia and of the cultivar Rudolph Roehrs differ in variegation pattern.
Plants of the new Dieffenbachia can also be compared to plants of the
Dieffenbachia picta
cultivar Camille, not patented. However in side-by-side comparisons conducted by the Inventor in Haiku, Hi., plants of the new Dieffenbachia differed from plants of the cultivar Camille in the following characteristics:
1. Plants of the new Dieffenbachia are larger than plants of the cultivar Camille.
2. Plants of the new Dieffenbachia have larger leaves than plants of the cultivar Camille.
3. Plants of the new Dieffenbachia have variegated petioles whereas plants of the cultivar Camille have non-variegated petioles.
4. Leaves of plants of the new Dieffenbachia and of the cultivar Camille differ in variegation pattern.
The cultivar Hatsuko has not been observed under all possible environmental conditions. The phenotype may vary somewhat with variations in environment such as temperature, light intensity and/or fertilizer rate, without, however, any variance in genotype.
Campell Bruce R.
McCormick Susan B.
Whealy C. A.
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