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Calibrachoa plant named `USCALI48`
PP15707 Calibrachoa plant named `USCALI48`
Patent Drawings:Drawing: PP15707-3    
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Inventor: Sakazaki
Date Issued: March 29, 2005
Application: 10/827,541
Filed: April 19, 2004
Inventors: Sakazaki; Ushio (Shiga, JP)
Assignee: Plant 21 LLC (San Marco, CA)
Primary Examiner: Bell; Kent
Assistant Examiner: Haas; W C
Attorney Or Agent: Whealy; C. A.
U.S. Class: PLT/263
Field Of Search: PLT/263
International Class:
U.S Patent Documents: PP10278
Foreign Patent Documents:
Other References: UPOV ROM GTITM Computer Database, GTI Jouve Retrieval Software 2004/04 Citations for `USCALI48`.*.*.

Abstract: A new and distinct cultivar of Calibrachoa plant named `USCALI48`, characterized by its semi-upright plant habit; freely branching habit; freely flowering habit; large white and purple bi-colored flowers; good weather tolerance; and resistance to Thielaviopsis.
Claim: It is claimed:

1. A new and distinct cultivar of Calibrachoa plant named `USCALI48`, as illustrated and described.
Description: Botanicalclassification/cultivar designation: Calibrachoa sp. cultivar USCALI48.


The present application is co-pending with the following related applications: Calibrachoa Plant Named `USCALI4` (U.S. Plant patent application Ser. No. 10/827,545) and Calibrachoa Plant Named `USCALI17` (U.S. Plant patent application Ser. No. 10/827,546).


The present Invention relates to a new and distinct cultivar of Calibrachoa plant, botanically known as Calibrachoa sp., and hereinafter referred to by the cultivar name `USCALI48`.

The new Calibrachoa is a product of a planned breeding program conducted by the Inventor in Hikone, Shiga, Japan. The objective of the program is to create new heat-tolerant and disease-resistant Calibrachoa cultivars with desirable plant habitand attractive flower colors.

The new Calibrachoa originated from a cross-pollination made by the Inventor on May 10, 1998 of a proprietary seedling selection of Calibrachoa identified as code number CJ14-2, not patented, as the female, or seed, parent with a proprietaryseedling selection of Calibrachoa identified as code number CJ12-1, not patented, as the male, or pollen, parent. The new Calibrachoa was selected by the Inventor on Jun. 15, 1999 in a controlled environment in Gensingen, Germany.

Asexual reproduction of the new cultivar by terminal cuttings taken in a controlled environment in Gensingen, Germany since Jun. 25, 1999, has shown that the unique features of this new Calibrachoa are stable and reproduced true to type insuccessive generations.


Plants of the cultivar USCALI48 have not been observed under all possible environmental conditions. The phenotype may vary somewhat with variations in environment such as temperature, light intensity, daylength, water status and fertility levelwithout, however, any variance in genotype.

The following traits have been repeatedly observed and are determined to be the unique characteristics of `USCALI48`. These characteristics in combination distinguish `USCALI48` as a new and distinct cultivar of Calibrachoa: 1. Semi-upright toeventually cascading plant habit. 2. Freely branching habit. 3. Freely flowering habit. 4. Large white and purple bi-colored flowers. 5. Good weather tolerance; tolerant to rain and low and high temperatures. 6. Resistant to Thielaviopsis.

Plants of the new Calibrachoa differ primarily from plants of the parent selections in plant habit as plants of the female selection are more upright than plants of the new Calibrachoa and plants of the male parent are more creeping than plantsof the new Calibrachoa.

Plants of the new Calibrachoa can be compared to plants of the cultivar Million Bells Trailing White, U.S. Plant Pat. No. 10,278. In side-by-side comparisons conducted in Gensingen, Germany, plants of the new Calibrachoa had a more uprightplant habit and larger flowers than plants of the cultivar Million Bells Trailing White.

Plants of the new Calibrachoa can also be compared to plants of the cultivar Colorburst White, not patented. In side-by-side comparisons conducted in Gensingen, Germany, plants of the new Calibrachoa had a more upright plant habit and largerflowers than plants of the cultivar Colorburst White.


The accompanying colored photographs illustrate the overall appearance of the new cultivar, showing the colors as true as it is reasonably possible to obtain in colored reproductions of this type. Colors in the photographs may differ slightlyfrom the color values cited in the detailed botanical description which accurately describe the colors of the new Calibrachoa.

The photograph at the top of the sheet comprises a side perspective view of a typical plant of `USCALI48` grown in a container.

The photograph at the bottom of the sheet is a close-up view of typical flowers and leaves of `USCALI48`.


In the following description, color references are made to The Royal Horticultural Society Colour Chart, 1995 Edition, except where general terms of ordinary dictionary significance are used. Plants grown in 15-cm containers for about five weekswere used for the aforementioned photographs and following description. Plants were grown under conditions which closely approximate commercial production conditions during the summer in an outdoor nursery in Bonsall, Calif. During the productionperiod, day temperatures ranged from 18 to C. and night temperatures ranged from 7 to C. Botanical classification: Calibrachoa sp. cultivar USCALI48. Parentage: Female, or seed, parent.--Proprietary seedling selection ofCalibrachoa sp. identified as code number CJ14-2, not patented. Male, or pollen, parent.--Proprietary seedling selection of Calibrachoa sp. identified as code number CJ12-1, not patented. Propagation: Type cutting.--Terminal vegetative cuttings. Time to initiate and develop roots.--Summer: About three weeks at C. Winter: About four weeks at C. Root description.--Fine, freely-branching; whitish in color. Plant description: Form/habit.--Annual flowering plant; initiallyupright to semi-upright, eventually somewhat cascading; uniformly mounded appearance. Moderate growth rate; vigorous. Usage.--Appropriate for hanging baskets, window boxes and patio containers. Plant height (from soil level to top of plantplane).--About 14 cm. Plant diameter (area of spread).--About 37 cm. Branching habit.--Freely branching, about three primary branches per plant each with about eight to ten secondary lateral branches; pinching enhances lateral branch development. Lateral branch description.--Length: About 20 cm. Diameter: About 2 mm. Internode length: About 9 mm. Texture: Coarse; pubescent. Color: 144A. Foliage description.--Arrangement: Alternate until flowering, then opposite; simple. Length: About 2 cm. Width: About 5 mm. Shape: Oblanceolate. Apex: Broadly acute to rounded. Base: Attenuate. Margin: Entire. Texture, upper and lower surfaces: Slightly glandular; slightly pubescent. Venation pattern: Pinnate; arcuate. Color: Developing foliage,upper surface: 146A. Developing foliage, lower surface: 146B. Fully expanded foliage, upper surface: 147A. Fully expanded foliage, lower surface: 147B. Venation, upper surface: 147B. Venation, lower surface: 147C. Petiole: Length: About 5 mm. Diameter: About 1.5 mm. Color: 144B. Texture: Slightly pubescent. Flower description: Flower type and habit.--Flowers face upright or outwardly; single, axillary; salverform. Flowers persistent. Freely flowering habit, about 45 flower buds and openflowers per lateral stem. Flowers not fragrant. Natural flowering season.--April to October in Southern California; flowering continuous during this period. Time to flower.--Early flowering; plants begin flowering about four weeks after planting. Flower longevity on the plant.--About one week. Flower size.--Diameter: About 3 cm. Tube length: About 2.5 cm. Throat diameter: About 5 mm. Flower buds.--Length: About 1.4 cm. Diameter: About 4 mm. Shape: Elongated oblong. Color: 155D. Corolla.--Arrangement/appearance: Single whorl of five petals, fused into flared trumpet. Petal length from throat: About 1.2 cm. Petal width: About 1.7 cm. Petal shape: Roughly spatulate to obovate. Petal apex: Obtuse, rounded. Petal margin:Entire. Petal texture, upper and lower surfaces: Smooth, glabrous; velvety. Color: Petal, when opening, upper and lower surfaces: Close to 155D. Petal, opened flower, upper surface: Close to 155D; towards throat, 77C. Petal, opened flower, lowersurface: Close to 155D. Flower throat (inside): 12B. Flower tube (outside): 2D. Sepals.--Arrangement/appearance: Single whorl of five sepals, fused at base; star-shaped. Length: About 7 mm. Width: About 2 mm. Shape: Lanceolate. Apex: Acute. Margin: Entire. Texture, upper and lower surfaces: Smooth, glabrous. Color, upper and lower surfaces: 144A. Peduncles.--Length: About 1.2 cm. Width: About 1 mm. Strength: Strong. Angle: About 45 to from stem axis. Texture: Glabrous,smooth. Color: 145A. Reproductive organs.--Stamens: Quantity: Five per flower. Anther shape: Rounded. Anther length: Less than 1 mm. Anther color: 12A. Pollen amount: Scarce. Pollen color: 12A. Pistils: Quantity: One per flower. Pistil length:About 8 mm. Stigma shape: Rounded. Stigma color: 145A. Style length: About 6 mm. Style color: 145D. Ovary color: 145B. Seed/fruit.--Seed and fruit production has not been observed. Disease/pest resistance: Plants of the new Calibrachoa have beennoted to be resistant to Thielaviopsis, which causes black root rot or basal stem rot. Plants of the new Calibrachoa have not been noted to be resistant to other pathogens and pests common to Calibrachoas. Weather/temperature tolerance: Plants of thenew Calibrachoa are tolerant to rain and wind and have been observed to tolerate temperatures from -4 to C.

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