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Impatiens plant named Tonga |
| PP8408 |
Impatiens plant named Tonga
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| Patent Drawings: | |
| Inventor: |
Kientzler |
| Date Issued: |
October 5, 1993 |
| Application: |
07/872,419 |
| Filed: |
April 23, 1992 |
| Inventors: |
Kientzler; Ludwig (Gensingen, DE)
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| Assignee: |
Paul Ecke Ranch, Inc. (Encinitas, CA) |
| Primary Examiner: |
Feyrer; James R. |
| Assistant Examiner: |
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| Attorney Or Agent: |
Foley & Lardner |
| U.S. Class: |
PLT/318 |
| Field Of Search: |
Plt/87.6 |
| International Class: |
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| U.S Patent Documents: |
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| Foreign Patent Documents: |
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| Other References: |
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| Abstract: |
A new and distinct cultivar of Impatiens plant named Tonga, characterized by its relatively large, bicolored purple and red-purple flowers, compact growth habit with excellent self-branching without pinching, glossy, dark bronze-green foliage with red midveins, very early and uniform flowering, floriferous habit, and by its suitability to pot or hanging basket culture. |
| Claim: |
I claim:
1. A new and distinct cultivar of Impatiens plant named Tonga, as illustrated and described. |
| Description: |
The present invention relates toa new and distinct cultivar of plant known as Impatiens and commercially known as New Guinea Impatiens. The new cultivar is known by the cultivar name Tonga, and was developed by the inventor Ludwig Kientzler in Gensingen, Federal Republic of Germany bycrossing the cultivar designated E-278 (seed parent) with the cultivar designated D-657 (pollen parent).
Asexual reproduction by terminal (stem tip) cuttings taken by me or under my supervision at Gensingen, Federal Republic of Germany, has shown that the unique features of this new Impatiens are stabilized and are reproduced true to type insuccessive propagations.
The following characteristics distinguish the new Impatiens from both its parent varieties and other cultivars of this general type known and used in the floriculture industry:
1. Compact growth habit and excellent self-branching. Plants in 16.5 cm pots were 16.5 cm tall and 28 cm wide, eight weeks after planting.
2. Large, bicolored light purple and dark reddish-purple flowers. Open flowers measure up to 6 cm in diameter.
3. Early flowering and very floriferous. Plants in 16.5 cm pots were in flower 6 weeks after planting.
4. Dark bronze-green and glossy foliage.
5. Well suited both to 4" and 8" hanging basket culture.
When compared with other bicolored Impatiens, the bicolor of Tonga is unique. The growth habit of Tonga is more compact than bicolored cultivars Flambe, disclosed in a pending application of applicant, and Celerio (U.S. Plant Pat. No. 7,584). Flowering for Tonga is earlier than other bicolored cultivars, and the flower size is larger.
The accompanying colored photograph is a top perspective view of the new cultivar, showing color as true as it is reasonably possible to obtain in acolored reproduction of this type.
The following is a detailed description of my new Impatiens cultivar based on plants grown under commercial practice in Encinitas, Calif. Plants were started as rooted cuttings and were transplanted inmid-December into 16.5 cm (6.5 inch) pots, one pot per plant. By mid-February, plants were growing vigorously and were in flower. The values, measurements and observations noted below were taken from plants in full bloom in mid-February.
Color references are made to The Royal Horticultural Society Colour Chart (R.H.S.), except where general terms of ordinary dictionary significance are used.
Parentage: Cross between E-278 (seed) and D-657 (pollen).
Asexual reproduction:
A. Cutting type.--Tip, with stems 2-3 cm long developing to 4-5 cm after 21 days in propagation.
B. Time to initiate roots.--8-10 days at 23.degree. C.; nicely developed root mass in 18-21 days.
C. Rooting habit.--Numerous, fibrous, adventitious roots from the stem.
Plant description:
A. Form.--Symmetrical, bush shaped, flowering herb, with self-branching characteristics giving the plant a full appearance. Pinching is not recommended since it does not enhance branching and only delays flowering by removing flower buds.
B. Habit of growth.--Vigorous, self-branching habit, producing whorls of leaves and flowers. Growth is indeterminate and flowering is continuous.
C. Foliage description.--Leaves are simple. Lower leaves on stems are opposite. Higher leaves in whorls of 3-5, but predominately 5. 1. Leaf shape: Broadly lanceolate. Leaf blade tips are acuminate; bases are acute. 2. Leaf blade size:Mature leaves mostly 10-11 cm long and 4 to 4.5 cm wide. 3. Petiole length: About 3 cm. 4. Leaf margin: Finely ciliated and finely serrated. 5. Leaf texture: Slightly rugose. a. Upper surface: Glabrous. b. Under surface: Glabrous. 6. Leafcolor: Dark bronze-green with a red midvein. a. Upper surface: Darker than 147A. b. Under surface: Greyed-purple, near 183A to 183B. 7. Venation: Pinnate.
Flowering description:
A. Flowering habits.--Very floriferous. Flowering is continuous. Flowers develop progressively around the whorl of leaves, taking 5-7 days from buds which show color, to bloom. Flowers are single and large, lasting for 2-3 weeks.
B. Natural flowering season.--Flowering is indeterminate and occurs throughout the year. Quantity of flowers increases with increasing light intensity and duration. However, floriferousness may wane during hot summer days in temperatureclimates.
C. Flower buds.--Ellipsoidal and covered with 3 sepals plus 2 rudimentary sepals fused into the under surface of the superior petals. A spur originates from the base of the inferior sepal. Spur is greenish and approximately 4.5 cm long.
D. Flowers borne.--Singly, on green pedicels about 6 cm long.
E. Quantity of flowers.--One flower per leaf. Flowers occur progressively around the whorl of leaves so that tight buds to mature flowers are visible at the same time.
F. Petals.--Petals open nearly perpendicular to the pedicel so the plane of the flower surface is nearly flat. 1. Number of petals: Five (5) petals, all overlapping. 2. Shape: All petals are heart-shaped. Superior petal has a broad base. Other petals have a pointed base. 3. Color: Bicolored - light purple and dark reddish purple. a. Upper surface: Light color near 75C; dark color between 71C to 71D; dark color at base of petals and along midveins. b. Under surface: Distal portions ofpetals near 75C; base petal and midveins near 72D. 4. Flower size: Up to 6 cm in diameter.
G. Reproductive organs.--Flowers are monoecious. 1. Stamens: Five (5), broad and fused to form a tube around the ovary; tinged with pink. 2. Anther: Hooded and cream colored. 3. Pollen: Cream colored. 4. Stigma: Five pointed star,colorless. 5. Styles: Very short. 6. Ovary: 5-celled, 4-5 mm long until fertilized. Grows to 1 cm or longer after fertilization; green.
Resistance to disease: Good resistance to common stem and root disease, Rizoctonia and Pythium. Botrysis may be a problem in humid or mist propagation environments, but no greater than with other New Guinea Impatiens cultivars.
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