Heuchera plant named ‘Midnight Burgundy’

Details Heuchera plant named ‘Midnight Burgundy’ Heuchera plant named ‘Midnight Burgundy’

2004-02-10

2004-11-23

Grunberg, Anne Marie (Department: 1661)

Plants

Herbaceous ornamnental flowering plant

Plant Patent

active

PP015358

ABSTRACT:

Botanical classification/cultivar designation:
Heuchera×hybrida
cultivar Midnight Burgundy.
BACKGROUND OF THE INVENTION
The present invention relates to a new and distinct cultivar of
Heuchera
plant, botanically known as
Heuchera×hybrida
and hereinafter referred to by the name ‘Midnight Burgundy’.
The new
Heuchera
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 plant vigor, dense and uniform plant habit, and showy and attractive flower and leaf coloration.
The new
Heuchera
is a chemically-induced mutation of the
Heuchera×hybrida
cultivar Midnight Claret, not patented. The new
Heuchera
was discovered by the Inventor in a controlled environment in Scottdale, Pa. in August, 2001, from within a population of colchicine-treated plants of the cultivar Midnight Claret. The selection of this plant was based on its uniformity and vigor.
Asexual reproduction of the new
Heuchera
by cuttings in a controlled environment in Scottdale, Pa., since August, 2001, has shown that the unique features of this new
Heuchera
are stable and reproduced true to type in successive generations.
SUMMARY OF THE INVENTION
The cultivar Midnight Burgundy has not been observed under all possible environmental conditions. The phenotype may vary somewhat with variations in environment such as temperature and light intensity, without, however, any variance in genotype.
The following traits have been repeatedly observed and are determined to be the unique characteristics of ‘Midnight Burgundy’. These characteristics in combination distinguish ‘Midnight Burgundy’ as a new and distinct cultivar of
Heuchera
:
1. Full, densely foliated and uniformly mounded plant habit.
2. Leaves very dark purple in color.
3. Numerous showy white to light pink-colored flowers arranged on erect panicles.
4. Excellent garden performance.
Plants of the new
Heuchera
can be compared to plants of the parent, the cultivar Midnight Claret. In side-by-side comparisons conducted by the Inventor in Scottdale, Pa., plants of the new
Heuchera
differed from plants of the cultivar Midnight Claret in the following characteristics:
1. Plants of the new
Heuchera
grew more uniformly and were move vigorous than plants of the cultivar Midnight Claret.
2. Flowers of plants of the new
Heuchera
had six petals, six sepals, six stamens and three pistils whereas flowers of plants of the cultivar Midnight Claret had five petals, five sepals, five stamens and two pistils.
Plants of the new
Heuchera
can be compared to plants of the cultivar Silver Light, disclosed in U.S. Plant patent application Ser. No. 10/324,932. In side-by-side comparisons conducted by the Inventor in Scottdale, Pa., plants of the new
Heuchera
differed from plants of the cultivar Silver Light in the following characteristics:
1. Plants of the new
Heuchera
and the cultivar Silver Light differed in leaf coloration.
2. Plants of the new
Heuchera
and the cultivar Silver Light differed in sepal and flower bud coloration.
3. Plants of the new
Heuchera
had thinner peduncles than plants of the cultivar Silver Light.
4. Flowers of plants of the new
Heuchera
had six petals, six sepals, six stamens and three pistils whereas flowers of plants of the cultivar Silver Light had five petals, five sepals, five stamens and two pistils.
Plants of the new
Heuchera
can also be compared to plants of the cultivar Jade Gloss, disclosed in U.S. Plant Pat. No. 13,137. In side-by-side comparisons conducted by the Inventor in Scottdale, Pa., plants of the new
Heuchera
differed from plants of the cultivar Jade Gloss in the following characteristics:
1. Plants of the new
Heuchera
and the cultivar Jade Gloss differed in leaf coloration.
2. Plants of the new
Heuchera
and the cultivar Jade Gloss differed in sepal coloration.
3. Plants of the new
Heuchera
had shorter peduncles than plants of the cultivar Jade Gloss.
4. Flowers of plants of the new
Heuchera
had six petals, six sepals, six stamens and three pistils whereas flowers of plants of the cultivar Jade Gloss had five petals, five sepals, five stamens and two pistils.

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