Dahlia plant named ‘G14402DAHL’

Abstract

A new and distinct cultivar of Dahlia plant named G14402DAHL, characterized by its upright and mounding plant habit; vigorous growth habit; freely branching habit; dark green-colored leaves; early and freely flowering habit; and large semi-double type inflorescences with greyed purple-colored ray florets.

Claims

1. A new and distinct Dahlia plant named G14402DAHL as illustrated and described.

Description

BRIEF DESCRIPTION OF THE PHOTOGRAPHS

(1) The accompanying photographs illustrate the overall appearance of the new Dahlia plant showing the colors as true as it is reasonably possible to obtain in colored reproductions of this type. Colors in the photographs may differ slightly from the color values cited in the detailed botanical description which accurately describe the colors of the new Dahlia plant.

(2) The photograph at the bottom of the sheet is a side perspective view of a typical flowering plant of G14402DAHL grown in a container.

(3) The photograph at the top of the sheet is a close-up view of a typical flowering plant of G14402DAHL.

DETAILED BOTANICAL DESCRIPTION

(4) The aforementioned photographs and following observations and measurements describe plants grown during the spring in 11.5-cm containers in an acrylic-covered greenhouse in Carleton, Mich. and under cultural practices typical of commercial potted Dahlia production. During the production of the plants, day and night temperatures ranged from 18 C. to 27 C. Plants were eleven weeks old when the photographs and description were taken. In the following description, color references are made to The Royal Horticultural Society Colour Chart, 2007 Edition, except where general terms of ordinary dictionary significance are used. Botanical classification: Dahlia variabilis G14402DAHL. Parentage: Female, or seed, parent.Proprietary selection of Dahlia variabilis identified as code number 3180-5M-2M-2, not patented. Male, or pollen, parent.Proprietary selection of Dahlia variabilis identified as code number 3198-1-1, not patented. Propagation: Type.By vegetative terminal cuttings. Time to initiate roots, summer.About 7 to 10 days at ambient temperatures about 22 C. to 27 C. Time to initiate roots, winter.About 10 to 14 days at ambient temperatures about 18 C. to 23 C. Time to produce a rooted plant, summer.About three to four weeks at ambient temperatures about 22 C. to 27 C. Time to produce a rooted plant, winter.About four weeks at temperatures about 18 C. to 23 C. Root description.Medium in thickness, fleshy and fibrous; close to white to creamy white in color, actual color of the roots is dependent on substrate composition, water quality, fertilizers, substrate temperature and age of roots; tuber development has not been observed on plants of the new Dahlia to date. Rooting habit.Freely branching; medium density. Plant description: Plant and growth habit.Upright and mounded plant form; broad inverted triangle; freely branching habit with about seven primary lateral branches each with about six to seven secondary lateral branches developing per plant; inflorescences held mostly above and beyond the foliar plane on moderately strong peduncles; vigorous growth habit and moderate growth rate. Plant height, soil level to top of foliar plane.About 36 cm. Plant height, soil level to top of floral plane.About 41 cm. Plant diameter or spread.About 47 cm. Lateral branches.Length: About 35 cm. Diameter: About 8 mm. Internode length: About 5 cm. Strength: Strong. Aspect: Primary laterals, mostly erect; secondary laterals, about 15 to 45 from vertical. Texture: Smooth, glabrous. Luster: Somewhat glossy. Color: Developing, close to N199B; color becoming closer to 200A with subsequent development. Leaf description: Arrangement.Opposite; simple. Length.About 14.8 cm. Width.About 17.5 cm. Shape.Pinnatifid; deeply incised with five to seven lobes with parallel sinuses. Lobe length.About 7 cm. Lobe width.About 3.5 cm. Apex.Acute. Base.Attenuate, equilateral. Margin.Crenate. Venation pattern.Pinnate. Texture, upper and lower surfaces.Smooth and mostly glabrous with minute hairs along veins. Luster, upper and lower surfaces.Matte. Color.Developing leaves, upper surface: Close to N137A. Developing leaves, lower surface: Close to 148A. Fully expanded leaves, upper surface: Darker than N137A; venation, close to 200B. Fully expanded leaves, lower surface: Close to 148A; venation, close to N199A. Petioles.Length: About 6 cm. Diameter: About 4 mm. Strength: Strong. Texture, upper and lower surfaces: Smooth, glabrous. Luster, upper and lower surfaces: Matte. Color, upper surface: Close to 200A. Color, lower surface: Close to N199A. Inflorescence description: Appearance and arrangement.Semi-double inflorescence form with ray florets forming acropetally on a receptacle; inflorescences positioned above the foliar plane on moderately strong peduncles; inflorescences mostly nodding; freely flowering habit with about 60 inflorescences developing per plant. Fragrance.Slightly fragrant; sour. Time to flower.Early flowering habit, plants begin flowering about six weeks after planting; plants flower continuously from spring until frost in Michigan. Post-production longevity.Inflorescences maintain good substance for about five to six days on the plant; ray florets not persistent and disc florets persistent. Inflorescence buds.Height: About 2.2 cm. Diameter: About 2.2 cm. Shape: Flattened sphere. Texture and luster: Smooth, glabrous; somewhat glossy. Color: Phyllaries, close to N199C; ray florets, close to N79A. Inflorescence size.Diameter: About 8 cm. Depth (height): About 2.6 cm. Disc diameter: About 2 cm. Receptacles.Height: About 1 cm. Diameter: About 5 cm. Shape: Rounded, bowl-shape. Color: Close to 200C to 200D tinted with close to 146A. Ray florets.Quantity per inflorescence: About 28 arranged in about two whorls. Length: About 3.4 cm. Width: About 2.2 cm. Shape: Obovate. Apex: Rounded to slightly emarginate. Base: Attenuate, fused at base. Margin: Entire; slightly undulate. Aspect: Initially upright to roughly perpendicular to the peduncle with apices slightly reflexed. Texture, upper and lower surfaces: Longitudinally ridged, glabrous; velvety. Luster, upper and lower surfaces: Matte. Color: When opening, upper surface: Close to N79A. When opening, lower surface: Close to N79B. Fully opened, upper surface: Close to 187A; venation, close to 187A; color does not change with development. Fully opened, lower surface: Close to 187B to 187C; venation, close to 187B; color does not change with development. Disc florets.Quantity per inflorescence: About 106 arranged in about ten whorls. Length: About 1.7 cm. Diameter: About 2 mm. Shape: Tubular, elongated; apices acute. Texture: Smooth, glabrous. Luster: Moderately glossy to glossy. Color, when opening: Darker than 187A to 187A. Color, fully opened: Close to 187A. Phyllaries.Quantity per inflorescence: One inner whorl with about 14 phyllaries that are membraneous and closely appressed to the receptacle and one outer whorl with about six phyllaries that are bract-like and reflex downwardly. Inner whorls: Length: About 2 cm. Width: About 9 mm. Shape: Elliptical. Apex: Acute. Base: Truncate. Margin: Entire. Texture, upper and lower surfaces: Smooth, glabrous. Luster, upper and lower surfaces: Glossy. Color, upper surface: Close to N199D. Color, lower surface: Close to N199C. Outer whorls: Length: About 1.5 cm. Width: About 6 mm. Shape: Elliptical. Apex: Acute. Base: Truncate. Margin: Entire. Texture, upper and lower surfaces: Smooth, glabrous. Luster, upper and lower surfaces: Slightly glossy. Color, upper surface: Darker than 189A. Color, lower surface: Close to N137A. Peduncles.Length, terminal peduncles: About 6.5 cm. Diameter, terminal peduncles: About 2 mm. Length, axillary peduncles: About 5.9 cm. Diameter, axillary peduncles: About 2 mm. Aspect, terminal peduncles: Mostly erect to bent with the weight of the inflorescences. Aspect, axillary peduncles: About 45 to 55 from lateral branch axis. Strength: Moderately strong. Texture: Smooth, glabrous. Luster: Somewhat glossy. Color: Close to 187A. Reproductive organs.Present on disc florets only. Androecium: Quantity per floret: Five. Filament length: About 8 mm. Filament color: Close to 151D. Anther shape: Lanceolate. Anther size: About 5 mm by 1 mm. Anther color: Close to 187B. Pollen amount: Moderate. Pollen color: Close to 17C. Gynoecium, ray florets: Quantity per floret: One. Pistil length: About 7 mm. Style length: About 4 mm. Style color: Close to N163D. Stigma diameter: About 2 mm. Stigma shape: Bi-parted. Stigma color: Close to N163D. Ovary color: Close to 157A. Gynoecium, disc florets: Quantity per floret: One. Pistil length: About 1.5 cm. Style length: About 8 mm. Style color: Close to N163D. Stigma diameter: About 2 mm. Stigma shape: Bi-parted. Stigma color: Close to N163D. Ovary color: Close to 157A. Seeds and fruits: Seed and fruit development have not been observed on plants of the new Dahlia to date. Disease & pest resistance: Plants of the new Dahlia have not been observed to be resistant to pathogens and pests common to Dahlia plants to date. Temperature tolerance: Plants of the new Dahlia have been observed to tolerate low temperatures about 1.7 C. and to be suitable for USDA Hardiness Zones 8 to 11.