Patent Publication Number: US-PP23875-P2

Title: Begonia plant named ‘BBDRAGNE’

Description:
Botanical designation:  Begonia×hiemalis.    
     Cultivar denomination: ‘BBDRAGNE’. 
     BACKGROUND OF THE INVENTION 
     The present invention relates to a new and distinct cultivar of  Begonia  plant, botanically known as  Begonia×hiemalis , commercially known as Elatior  Begonia  and hereinafter referred to by the name ‘BBDRAGNE’. 
     The new  Begonia  plant is a naturally-occurring whole plant mutation of  Begonia×hiemalis  ‘BBDRA’, disclosed in U.S. Plant Pat. No. 19,700. The new  Begonia  plant was discovered and selected by the Inventor from within a population of plants of ‘BBDRA’ in a controlled greenhouse environment in Haalderen, The Netherlands during the summer of 2009. 
     Asexual reproduction of the new  Begonia  plant by terminal cuttings in a controlled greenhouse environment in Haalderen, the Netherlands since November, 2009 has shown that the unique features of this new  Begonia  plant are stable and reproduced true to type in successive generations. 
     SUMMARY OF THE INVENTION 
     Plants of the new  Begonia  have not been observed under all possible environmental conditions and cultural practices. The phenotype may vary somewhat with variations in environmental conditions 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 ‘BBDRAGNE’. These characteristics in combination distinguish ‘BBDRAGNE’ as a new and distinct  Begonia  plant:
         1. Upright and mounded plant habit.   2. Freely branching habit.   3. Numerous double flowers that are light pink in color.   4. Good postproduction longevity.       

     Plants of the new  Begonia  differ primarily from plants of the parent, ‘BBDRA’, primarily in flower color as plants of ‘BBDRA’ have light red-colored flowers. In addition, plants of the new  Begonia  are more freely branching than plants of ‘BBDRA’. 
     Plants of the new  Begonia  can be compared to plants of  Begonia×hiemalis  ‘Netja Dark’, not patented. In side-by-side comparisons conducted in Haalderen, The Netherlands, plants of the new  Begonia  differed primarily from plants of ‘Netja Dark’ in the following characteristics:
         1. Plants of the new  Begonia  were more freely branching than plants of ‘Netja Dark’.   2. Flowers of plants of the new  Begonia  had more tepals than flowers of plants of ‘Netja Dark’.   3. Flowers of plants of the new  Begonia  were lighter pink in color than flowers of plants of ‘Netja Dark’.       

    
    
     
       BRIEF DESCRIPTION OF THE PHOTOGRAPH 
       The accompanying colored photograph illustrates the overall appearance of the new  Begonia  plant showing the colors as true as it is reasonably possible to obtain in colored reproductions of this type. Colors in the photograph may differ slightly from the color values cited in the detailed botanical description which accurately describe the colors of the new  Begonia  plant. 
       The photograph comprises a side perspective view of a typical flowering plant of ‘BBDRAGNE’ grown in a container. 
     
    
    
     DETAILED BOTANICAL DESCRIPTION 
     Plants used for the aforementioned photograph and following observations and measurements were grown in 13-cm containers in a shaded glass-covered greenhouse in Haalderen, The Netherlands and grown under typical  Begonia  production practices. During the production of the plants day and night temperatures ranged from 15° C. to 20° C. and maximum light levels were 18,000 lux. Plants were 15 weeks old when the photograph and description were taken. In the following description, color references are made to The Royal Horticultural Society Colour Chart, 2001 Edition, except where general terms of ordinary dictionary significance are used.
     Botanical classification:  Begonia×hiemalis ‘BBDRAGNE’.      Commercial classification: Elatior  Begonia.      Parentage: Naturally-occurring whole plant mutation of  Begonia×hiemalis  ‘BBDRA’, disclosed in U.S. Plant Pat. No. 19,700.   Propagation:
             Type .—By terminal vegetative cuttings.     Time to initiate roots .—About 15 days at temperatures of 20° C.     Time to produce a rooted young plant .—About 14 to 18 days at temperatures of 20° C.     Root description .—Medium in thickness, fibrous, white in color; plants of the new  Begonia  have not been observed to form tubers.     Rooting habit .—Freely branching; moderately dense.       
       Plant description:
             Plant form .—Compact, upright and mounded plant habit, inverted triangle; freely branching with good stem and stem base strength; flowers are fully double and abundant; vigorous growth habit.     Plant height .—About 20 cm to 25 cm.     Plant width .—About 25 cm to 30 cm.     Basal branch description .—Quantity: Freely basal branching with about five to six basal branches developing per plant. Length: About 9 cm to 13 cm. Diameter: About 1 cm to 3 cm. Texture: Smooth, glabrous. Color: Close to 138B.     Leaf description .—Arrangement: Simple, alternate. Length: About 8 cm to 9 cm. Width: About 5 cm to 6 cm. Shape: Roughly deltoid. Apex: Acuminate. Base: Cordate to oblique. Margin: Serrate. Texture, upper and lower surfaces: Smooth, glabrous; velvety; lower surface with pubescence. Venation pattern: Palmate. Color: Developing and fully expanded leaves, upper surface: Close to 131A; venation, close to 139C. Developing and fully expanded leaves, lower surface: Close to 139A; venation, close to 139C. Petiole length: About 4 cm to 6 cm. Petiole diameter: About 4 mm. Petiole texture, upper and lower surfaces: Smooth, glabrous. Petiole color, upper and lower surfaces: Close to 139C.       
       Flower description:
             Flowering habit .—Double flowers with numerous tepals arranged in axillary cymes; typically four to six open flowers per cyme; many cymes in flower simultaneously; flowers positioned upright and outwardly above the foliar plane.     Fragrance .—None detected.     Natural flowering season .—Plants will flower continuously year round in the greenhouse, however plants flower earlier and more abundantly during the summer in The Netherlands.     Postproduction longevity .—Good postproduction longevity, flowers last about four to five weeks on the plant; flowers persistent.     Cyme height .—About 6 cm to 8 cm.     Cyme diameter .—About 6 cm to 7 cm.     Flowers .—Shape: Oval; rose-like. Length: About 4 cm to 5 cm. Diameter: About 5 cm to 6 cm. Depth: About 1 cm to 2 cm.     Flower buds .—Shape: Ovate. Length: About 1 cm to 1.5 cm. Diameter: About 2 cm. Color: Pinkish.     Tepals .—Arrangement: Rosette. Quantity: About ten to twelve per flower. Length: About 2 cm to 3 cm. Width: About 3 cm to 4 cm. Shape: Obovate to rounded. Apex: Rounded, obtuse. Base: Cordate. Margin: Entire. Texture, upper and lower surfaces: Smooth, glabrous; satiny. Color: When opening and fully opened, upper surface: Close to 56A. When opening and fully opened, lower surface: Close to 56A.     Flower bracts .—Quantity/arrangement: Two, opposite. Shape: Broadly ovate. Apex: Obtuse. Margin: Entire. Texture, upper and lower surfaces: Smooth, glabrous. Color, upper and lower surfaces: Close to 144B overlain with close to 183A.     Peduncles .—Length: About 4 cm to 5 cm. Diameter: About 3 mm to 4 mm. Angle: Erect to about 30° to 45° from vertical. Strength: Strong. Texture: Smooth, glabrous. Color: Close to 144B.     Pedicels .—Length: About 2 cm to 3 cm. Diameter: About 2 mm to 3 mm. Angle: About 30° to 45° from the peduncle. Strength: Strong. Texture: Smooth, glabrous. Color: Reddish green.     Reproductive organs .—Stamens: None observed. Pistils: None observed.     Seeds and fruits .—Seed and fruit development have not been observed on plants of the new  Begonia.          
       Disease &amp; pest resistance: Resistance to pathogens and pests common to  Begonia  has not been observed on plants of the new  Begonia.      Temperature tolerance: Plants of the new  Begonia  have been observed to tolerate temperatures from about 10° C. to about 35° C.