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Heucherella plant named `Redstone Falls`
PP22394 Heucherella plant named `Redstone Falls`
Patent Drawings:Drawing: PP22394-3    
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Inventor: Egger
Date Issued: December 20, 2011
Application: 12/806,089
Filed: August 4, 2010
Inventors: Egger; Janet N. (Wilsonville, OR)
Assignee: Terra Nova Nurseries, Inc. (Canby, OR)
Primary Examiner: McCormick Ewoldt; Susan
Assistant Examiner:
Attorney Or Agent: Klarquist Sparkman, LLP
U.S. Class: PLT/441
Field Of Search: PLT/441
International Class: A01H 5/00
U.S Patent Documents:
Foreign Patent Documents:
Other References:

Abstract: A new and distinct Heucherella plant substantially as shown and described, characterized by its trailing habit, spring leaves of peachy orange with a slight white veil to summer and winter leaves of purple red to brown to olive green, a dark pattern on the veins, large palmately lobed leaves, and excellent vigor. Heucherella `Redstone Falls` grows equally well in full sun or filtered shade in the Pacific Northwest.
Claim: I claim:

1. A new and distinct Heucherella plant as herein illustrated and described.
Description: Botanical denomination: Heucherella hybrid.

Variety designation: `Redstone Falls`.

Cross reference to: Heucherella `Yellowstone Falls` (U.S. Plant patent application Ser. No. 12/806,079, applied for concurrently on Aug. 4, 2010).

The present invention relates to a new and distinct cultivar of Heucherella and given the cultivar name of `Redstone Falls`. Heucherella is in the family Saxifragaceae. Heucherella `Redstone Falls` originated from a controlled cross betweenHeuchera 909-2 (a proprietary unreleased Heuchera villosa hybrid), as the seed parent, and massed selected proprietary Tiarella trailing, as the pollen parent.

Compared to the seed parent Heuchera 909-2, the new cultivar is trailing with cream colored flowers rather than pink.

Compared to the trailing Tiarella parent, the new cultivar has peachy orange to rust red leaves rather than green.

Compared to its sibling, Heucherella `Yellowstone Falls` (U.S. Plant patent application Ser. No. 12/806,079, applied for concurrently on Aug. 4, 2010), the new cultivar has purple red to brown to olive green foliage rather than yellow tolime.

This new Heucherella is unique in being the first trailing Heucherella. It is further characterized by: 1. spring leaves of peachy orange with a slight white veil to summer and winter leaves of purple red to brown to olive green, 2. a darkpattern on the veins, 3. large palmately lobed leaves, 4. growing equally well in full sun or filtered shade in the Pacific Northwest, 5. and 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 standardmicropropagation 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 inventionhas 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.


FIG. 1 shows a two-year-old Heucherella `Redstone Falls` in bloom, growing in the ground in shade in the trial field in June in Canby, Oreg.

FIG. 2 shows the foliage color of the same plant in late summer.


The following is a detailed description of the new Heucherella cultivar based on observations of a two-year-old specimens growing in the ground in the garden and trial fields in Canby, Oreg. Canby is Zone 8 on the USDA Hardiness map. Temperatures range from a high of 95 degrees F. in August to an average of 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, 5.sup.thedition. Plant: Form.--Basal rosette and trailing, herbaceous perennial. Hardiness.--USDA Zone 4 to 9. Size.--18 cm tall from top of the foliage to the ground and 55 cm wide. Habit.--Mounding and trailing. Vigor.--Excellent. Roots.--Fibrous, freelybranching, fine, and white in color. Stem: Size.--6 mm wide and grows to 44 cm long. Internode length.--3 cm usually. Stem color.--Greyed Purple 187B. Leaf: Type.--Simple. Arrangement.--Rosette and alternate. Shape.--Ovate. Lobing/division.--5palmate lobes with the terminal the longest, each with shallow secondary lobes. Venation.--Palmate. Margins.--Crenate. Apex.--Mucronulate. Base.--Cordate. Blade size.--Grows to 12 cm long and 10 cm wide. Surface texture.--Glandular both surfaces. Petiole description.--Grows to 19 cm long and 2 mm wide, glandular hairs, Greyed Purple N186D. Leaf color.--Variable depending on temperature and light conditions; spring topside Greyed Red 178B to Greyed Orange 177B with a slight veil in between theveins. White N155A, and a dark pattern on the veins, Greyed Purple 187B, bottom side Greyed Purple 187D; summer and winter topside Greyed Red 178A to Greyed Orange 177A with a very slight veil White N155A, and a dark pattern on the veins, Greyed Purple187B, bottom side closest to Greyed Purple 187D; mature leaves in shade or shaded are Yellow Green 147B tinted Greyed Orange 177A and with the dark pattern Greyed Purple 187B. Inflorescence: Size.--4.5 cm wide and 16 cm long. Type.--Raceme. Number offlowers per raceme.--About 60. Number of racemes.--20. Peduncle.--Grows to 20 cm tall, 3 mm wide at base, glandular hairs, Greyed Orange 176B. Pedicel.--Grows to 8 mm long, with glandular hairs, Greyed Orange 177B. Bloom period.--April to July inCanby, Oreg. Flower bud: Size.--1.5 mm wide and 2 mm long. Description.--Glandular puberulent, ovoid. Color.--White N155B with base Red Purple 63C. Flower: Type.--Perfect. Shape.--Campanulate. Size.--2 mm deep and 2 mm wide. Petal description.--5in number, oblanceolate, 2 mm long, reflexed, tip acuminate, base attenuate, margin entire, glabrous on both sides, White NN155D on both sides. Calyx description.--5 mm deep and 4 mm wide, with 5 lobes, divided 3/4 way to the base, campanulate,glandular hairs on outside, glabrous inside, tip obtuse, margin entire, White 155C with base Red Purple 63D. Stamen description.--5 in number, filaments 2 mm long, White NN155D, anthers sterile, less than 1 mm, Greyed Orange 165A. Pistildescription.--One central two beaked pistil, 4 mm long, White 155B. Fragrance.--None. Lastingness.--Each raceme blooms for about 2 weeks on the plant. Fruit and seed: None Disease and pest tolerance: No known resistances. Excellent disease toleranceto powdery mildew. All Heucherella are susceptible to root weevils.

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