U.S. patent number PP16,774 [Application Number 11/089,420] was granted by the patent office on 2006-07-04 for heuchera plant named `tnheu041`.
This patent grant is currently assigned to Terra Nova Nurseries, Inc.. Invention is credited to Gary J. Gossett.
United States Patent |
PP16,774 |
Gossett |
July 4, 2006 |
Heuchera plant named `TNHEU041`
Abstract
A new and distinct hybrid of Heuchera plant characterized by
rust colored new growth, changing to tan and olive green colored
leaves with yellow green colored flowers on burgundy flowering
stems, a mounding habit, and excellent vigor.
Inventors: |
Gossett; Gary J. (Portland,
OR) |
Assignee: |
Terra Nova Nurseries, Inc.
(Canby, OR)
|
Family
ID: |
36613957 |
Appl.
No.: |
11/089,420 |
Filed: |
March 22, 2005 |
Current U.S.
Class: |
PLT/440 |
Current CPC
Class: |
A01H
5/12 (20130101) |
Current International
Class: |
A01H
5/00 (20060101) |
Field of
Search: |
;PLT/263 |
Primary Examiner: Bell; Kent
Assistant Examiner: Hwu; June
Attorney, Agent or Firm: Klarquist Sparkman LLP
Claims
I claim:
1. A new and distinct hybrid of Heuchera plant as herein
illustrated and described.
Description
Botanical denomination: Heuchera hybrida.
Variety designation: `TNHEU041`.
The present invention relates to a new and distinct cultivar of
Heuchera hybrida and given the cultivar name of `TNHEU041`.
Heuchera is in the family Saxifragaceae. Heuchera `TNHEU041`
originated as a cross of Heuchera `Amber Waves`, U.S. Plant Pat.
No.13,348, as the seed parent and an unknown pollen parent. Pollen
from selected, experimental, proprietary plants was massed and used
as the pollen parent.
This new Heuchera is distinguished by: 1. Rust colored spring
foliage maturing to olive green summer and winter foliage. 2. Small
yellow green flowers in a wand type arrangement on dark peduncles.
3. Mounding habit. 4. Excellent vigor.
This new cultivar has been reproduced only by asexual propagation
(division and tissue culture). Each of the progeny exhibits
identical characteristics to the original plant. Asexual
propagation by division and tissue culture using standard
microprogation techniques with terminal and lateral shoots, as done
in Canby, Oreg., shows that the foregoing characteristics and
distinctions come true to form and are established and transmitted
through succeeding propagations. The present invention has not been
evaluated under all possible environmental conditions. The
phenotype may vary with variations in environment without a change
in the genotype of the plant.
BRIEF DESCRIPTION OF THE DRAWING
The photos show two examples of the foliage of a one-year old plant
of Heuchera `TNHEU041` growing in one gallon containers in the
shade house in Canby, Oreg. FIG. 1 was taken in May and FIG. 2 was
taken in September.
DETAILED PLANT DESCRIPTION
The following is a detailed description of the new Heuchera
cultivar based on observations taken in June of a three-year-old
specimen grown in the ground in an open air shade house with 50%
shade cover and added irrigation in the summer months in Canby
Oreg. Canby is Zone 8 on the USDA Hardiness map. Temperatures range
from a high of 95 degrees F. in August to 32 degrees F. in January.
Normal rainfall in Canby is 42.8 inches per year. The color
descriptions are all based on The Royal Horticultural Society
Colour Chart. Botanical denomination: Heuchera hybrida. Variety
designation `TNHEU041`. Parentage: Heuchera `Amber Waves` (seed
parent).times.unknown (pollen parent). Plant: Form.--Basal rosette,
herbaceous perennial. Hardiness.--USDA Zone 4 to 9. Size.--30 cm
tall from the ground to the top of the foliage and 55 cm wide.
Habit.--Mounding. Vigor.--Excellent. Roots.--Fibrous, freely
branching, fine, and white in color. Roots develop easily from
cuttings. Leaf: Type.--Simple. Arrangement.--Rosette.
Shape.--Broadly ovate. Lobing/division.--5 to 7 main lobes, with 1
to 2 shallow secondary lobes. Venation.--Palmate. Margins.--Crenate
and slightly undulate. Apex.--Mucronulate. Base.--Cordate, lobes
overlapping at the base. Blade size.--Grows to 12 cm long and 11 cm
wide. Surface texture.--Glabrous. Appearance.--Glossy.
Texture.--Leathery. Petiole length.--Grows to 23 cm. Petiole
vestiture.--Very short glandular hairs. Petiole color.--Greyed Red
176A. Leaf color.--Spring and new leaves topside -- Greyed Orange
175B. These lighten to Greyed Orange 183A on the newest growth to
Greyed Orange 172C with areas tinted Yellow Green 152C. Summer,
fall topside -- Between Yellow Green 148A and 152A with areas of
Greyed Yellow 161A and leaf edges Greyed Red 181A. Winter --
Exposed leaves turn Greyed Orange 165A to Greyed Orange 164A.
Bottom side spring -- Red Purple 60A. Bottom side summer, winter --
Between Red Purple 60C and Greyed Purple 185C to 183D.
Inflorescence: Type.--Thyrse. Number of flowers.--100 per thyrse.
Number of thyrse in first flush in spring.--12. Peduncle.--With 0
to 3 petiolate cauline leaves, ovate to linear, blades grow to 6 cm
long and 4.5 cm wide and are incised at base and crenate. Height --
50 cm. Diameter -- 3 mm near base. Color -- Greyed Purple 187B.
Surface texture -- Glandular pubescent. Pedicel.--Length --
Variable. Surface texture -- Glandular. Color -- Grey Brown 199A.
Bloom period.--June in Canby, Oreg. Flower bud: Size.--2 mm wide
and 3 mm long. Description.--Glandular, ovoid. Color.--Grey Brown
199A at the base and Greyed Yellow 160A at the top. Flower:
Type.--Perfect, zygomorphic. Shape.--Campanulate. Size.--4 mm long
and 4 mm wide. Petal count.--5. Petal color.--Greyed Yellow 160C on
both sides. Petal shape.--Spatulate with a clawed base, reflexed,
acute tip, margin entire. Petal size.--2 mm long. Calyx.--5 lobes,
divided l/3 way to the base, glandular, tip acute, margin entire.
Calyx size.--4 mm long and 4 mm wide. Calyx and overall flower
color.--Dull yellow on both sides. Greyed Yellow 160B at the lobes
and Grey Brown 199A at the base. Stamen.--5 sterile, Greyed Yellow
160B, 2.5 mm long. Pistil.--Greyed Yellow 160B overall, 3 mm long.
Fragrance.--None. Lastingness.--Each thyrse blooms for about 2
weeks on the plant. Fruit: Type.--Two-beaked ovoid capsule.
Size.--4 mm deep and 2.5 mm wide. Color.--Brown 200D. Seed:
Shape.--Linear. Size.--2 mm. long. Color.--Black, RHS 202A. Pest
and disease tolerance:
Excellent disease resistance to powdery mildew, the common problem
of Heuchera. Susceptible to Heuchera rust and root weevils.
COMPARISON TO SIMILAR HEUCHERAS
Compared to Heuchera `Amber Waves` (U.S. Plant Pat. No. 13,348),
Heuchera `TNHEU041` has greater vigor. The foliage of this new
cultivar is less ruffled, larger, and more red tinted. The flowers
of Heuchera `Amber Waves` are creamy white rather than dull
yellow.
Compared to Heuchera `Marmalade` (U.S. Plant Pat. No. 15,945), this
cultivar is more compact in habit with leaves that are larger,
shinier, less ruffled.
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