<i>Petunia </i>plant named ‘Surf Ohakuni’

Abstract

A new and distinct cultivar of Petunia plant named ‘Surf Ohakuni’, characterized by its upright to trailing and mounding plant habit; vigorous growth habit; freely branching habit; freely flowering habit; long flowering period; medium-sized flowers that are dark purplish red in color with dark purple-colored venation; and good garden performance.

Claims

1. A new and distinct Petunia plant named ‘Surf Ohakuni’ as illustrated and described.

Description

BRIEF DESCRIPTION OF THE PHOTOGRAPHS

(1) The accompanying colored photographs illustrate the overall appearance of the new Petunia 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 Petunia plant.

(2) The photograph at the top of the sheet (FIG. 1) is a side perspective view of a typical flowering plant of ‘Surf Ohakuni’ grown in a container.

(3) The photograph at the bottom of the sheet (FIG. 2) is a close-up view of typical flowers of ‘Surf Ohakuni’.

DETAILED BOTANICAL DESCRIPTION

(4) The aforementioned photographs and following observations, measurements and values describe plants grown during the early summer in 24-cm containers in an outdoor nursery in Higashiomi, Shiga, Japan and under cultural practices typical of commercial Petunia production. During the production of the plants, day temperatures averaged 23° C. and night temperatures averaged 13° C. Plants were six months old when the photographs and description were taken. In the following description, color references are made to The Royal Horticultural Society Colour Chart, 2015 Edition, except where general terms of ordinary dictionary significance are used. Botanical classification: Petunia x hybrida ‘Surf Ohakuni’. Parentage: Female, or seed, parent.—Proprietary selection of Petunia x hybrida identified as code designation Px7109-04, not patented. Male, or pollen, parent.—Proprietary selection of Petunia x hybrida identified as code designation K0272, not patented. Propagation: Type.—By terminal vegetative cuttings. Time to initiate roots, summer and winter.—About one week at temperatures about 15° C. to 20° C. Time to produce a rooted young plant, summer and winter.—About three weeks at temperatures about 15° C. to 20° C. Root description.—Fibrous; typically white in color, actual color of the roots is dependent on substrate composition, water quality, fertilizer type and formulation, substrate temperature and physiological age of roots. Rooting habit.—Freely branching; dense. Plant description: Plant form and growth habit.—Upright to trailing and mounding plant habit; freely branching habit with numerous lateral branches developing per plant; pinching enhances lateral branch development; vigorous growth habit. Plant height.—About 19 cm. Plant diameter.—About 71 cm. Lateral branch description: Length.—About 23.8 cm. Diameter.—About 2.9 mm. Internode length.—About 1.6 cm. Strength.—Strong, flexible. Aspect.—Upright to mostly outwardly to eventually trailing. Texture.—Densely pubescent; rough; viscid. Color.—Close to 144A. Leaf description: Quantity and arrangement.—About 16 leaves per lateral branch; alternate, simple. Length.—About 4 cm. Width.—About 2.6 cm. Shape.—Elliptic. Apex.—Acuminate. Base.—Attenuate. Margin.—Entire. Texture, upper and lower surfaces.—Sparsely pubescent; viscid. Venation pattern.—Pinnate; reticulate. Color.—Developing leaves, upper surface: Close to 137A. Developing leaves, lower surface: Close to 138A. Fully expanded leaves, upper surface: Close to 137B; venation, close to 138B. Fully expanded leaves, lower surface: Close to 138B; venation, close to 138C. Petioles.—Length: About 3 mm. Diameter: About 3.2 mm. Texture, upper and lower surfaces: Pubescent; viscid. Color, upper and lower surfaces: Close to 138B. Flower description: Flower arrangement and habit.—Medium-sized single-type salverform flowers arising from upper leaf axils; freely flowering habit with usually about four flowers developing per lateral branch and about 209 flower buds and flowers developing per plant during the flowering season; flowers face mostly upright to outwardly. Fragrance.—None detected. Natural flowering season.—Early flowering habit; plants of the new Petunia initiate and develop flowers about three to four weeks after planting; long flowering period, flowering commences naturally during the spring and plants flower continuously throughout the summer until late autumn in Japan. Flower longevity.—Individual flowers last about seven to ten days on the plant; flowers not persistent. Flower buds.—Length: About 4.75 cm. Diameter: About 1.2 mm. Shape: Cylindrical. Color: Immature sepals, close to N187A; immature petals, close to N186A. Flower diameter.—About 5.8 cm. Flower tube length.—About 3.2 cm. Flower tube diameter, proximally.—About 3.8 mm. Flower tube diameter, distally.—About 1.25 cm. Corolla.—Quantity and arrangement: Five in a single whorl, fused at the base and opening into a flared trumpet. Petal length from throat: About 2.1 cm. Petal width: About 2.8 cm. Petal shape: Roughly spatulate. Petal apex: Cuspidate. Petal margin: Entire; slightly undulate. Petal texture, upper and lower surfaces: Smooth, glabrous; velvety. Throat texture: Smooth, glabrous; velvety. Tube texture: Pubescent, rough. Color: Petal, when opening, upper surface: Close to N79A. Petal, when opening, lower surface: Close to N81A. Petal, fully opened, upper surface: Close to N79C; venation, close to N187A; color becoming closer to 72A with subsequent development. Petal, fully opened, lower surface: Close to 72A; venation, close to 72A; color does not change with subsequent development. Throat: Distally, close to N186A; mid-section, close to 203C; proximally, close to 203C and N77B; venation, close to 187A. Tube: Distally, close to N92C; proximally, close to N77A; venation, similar to lamina colors. Calyx.—Arrangement: One star-shaped calyx tube with five sepals arranged in a single whorl and fused at the base. Sepal length: About 1 cm. Sepal width: About 3.4 mm. Sepal shape: Linear. Sepal apex: Acute. Sepal margin: Entire. Sepal texture, upper and lower surfaces: Densely pubescent; viscid. Color, upper surface: Close to 138A. Color, lower surface: Close to 137C. Peduncles.—Length: About 1.4 cm. Diameter: About 1.6 mm. Strength: Moderately strong, flexible. Aspect: Upright to outwardly. Texture: Densely pubescent; viscid. Color: Close to NN137B. Reproductive organs.—Stamens: Quantity per flower: Five. Filament length: About 1.3 cm. Filament color: Close to 145C and 72B. Anther shape: Ellipsoidal. Anther size: About 2.5 mm by 3 mm. Anther color: Close to 91D. Pollen amount: Moderate. Pollen color: Close to 92B. Pistils: Quantity per flower: One. Pistil length: About 2.3 cm. Style color: Close to 145C. Stigma shape: Transversely ellipsoidal. Stigma color: Close to 145A. Ovary color: Close to 142A. Seeds and fruits: To date, seed and fruit development have not been observed on plants of the new Petunia. Garden performance: Plants of the new Petunia have been observed to have good garden performance and to tolerate rain, wind and temperatures ranging from about 5° C. to about 35° C. Pathogen & pest resistance: To date, plants of the new Petunia have not been observed to be resistant to pathogens and pests common to Petunia plants.