Dianthus plant named ‘Holkahoripink’

Abstract

A new and distinct cultivar of Dianthus plant named ‘Holkahoripink’, characterized by its compact, uniformly mounding and upright to broadly spreading plant habit; relatively small leaves; freely flowering habit; intense pink-colored single flowers; and good container and garden performance.

Claims

1. A new and distinct Dianthus plant named ‘Holkahoripink’ as illustrated and described.

Description

BRIEF DESCRIPTION OF THE PHOTOGRAPH

(1) The accompanying photograph illustrates the overall appearance of the new Dianthus 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 Dianthus plant.

(2) The photograph comprises a side perspective view of a typical flowering plant of ‘Holkahoripink’ grown in a container.

DETAILED BOTANICAL DESCRIPTION

(3) Plants used in the aforementioned photograph and following observations and measurements were grown during the late winter and early spring in 10.5-cm containers in a glass-covered greenhouse in De Kwakel, The Netherlands and under cultural practices typical of commercial container Dianthus production. During the production of the plants, day temperatures ranged from 12° C. to 15° C., night temperatures averaged 12° C. and light levels averaged 7,000 lux. Plants used for the photograph and description were three months old. 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: Dianthus superbus ‘Holkahoripink’. Parentage: Naturally-occurring whole plant mutation of Dianthus superbus ‘Holkahori’, not patented. Propagation: Type.—By terminal cuttings. Time to initiate roots, summer.—About six days at temperatures ranging from 20° C. to 25° C. Time to initiate roots, winter.—About eight days at temperatures about 18° C. Time to produce a rooted young plant, summer.—About three weeks at temperatures ranging from 20° C. to 25° C. Time to produce a rooted young plant, winter.—About five weeks at temperatures about 18° C. Root description.—Medium in thickness, fibrous; whitish in color. Rooting habit.—Moderate branching; medium density. Plant description: Plant and growth habit.—Herbaceous perennial, typically grown as a container plant; compact, uniformly mounding, upright to broadly spreading plant habit; growth habit, moderate to low vigor. Plant height, soil level to top of foliar plane.—About 6.8 cm. Plant height, soil level to top of floral plane.—About 12.9 cm. Plant diameter or spread.—About 19.6 cm. Lateral branches.—Branching habit: Freely branching habit with about 15 main (basal) stems; each main stem with about five lateral branches. Length: About 3.7 cm. Diameter: About 1.5 mm. Internode length: About 3 mm. Strength: Strong. Aspect: Upright to about 90° from vertical. Texture and luster: Smooth, glabrous; moderately glossy. Color, developing: Close to 142C; at internodes, close to 152B to 152C. Color, developed: Close to 152B to 152C. Leaf description: Arrangement.—Opposite, simple; sessile. Length.—About 3.8 cm. Width.—About 4 mm. Shape.—Narrowly oblanceolate; slightly carinate. Apex.—Acute. Base.—Attenuate; decurrent. Margin.—Entire. Texture and luster, upper and lower surfaces.—Smooth, glabrous; matte. Venation pattern.—Parallel. Color.—Developing leaves, upper and lower surfaces: Close to 144A to 144B. Fully expanded leaves, upper surface: Close to between NN137C and 147A; venation, close to between NN137C and 147A. Fully expanded leaves, lower surface: Close to NN137D; venation, close to 143B to 143C. Flower description: Flower form and flowering habit.—Single flowers arranged singly or in pairs; freely flowering habit with numerous flowers developing over the flowering season; flowers face mostly upright to outwardly. Natural flowering season.—Flowering is continuous from the spring to late summer in The Netherlands; plants begin flowering about nine to twelve weeks after planting. Postproduction longevity.—Flowers last about ten days on the plant; flowers not persistent. Fragrance.—Strongly fragrant; clove-like, sweet. Flower buds.—Length: About 1.5 cm. Diameter: About 4 mm. Shape: Oblong. Texture and luster: Smooth, glabrous; matte. Color: Close to 138B; towards the base, tinged with close to 176B; petal apices, close to 184B. Flower diameter.—About 3.8 cm. Flower depth.—About 2.8 cm. Petals.—Quantity and arrangement: Five petals arranged in a single whorl. Length: About 3.5 cm. Width: About 1.9 cm. Shape: Spatulate. Apex: Praemorse; slightly crinkled. Base: Narrowly cuneate. Margin: Entire; slightly undulate. Texture and luster, upper surface: Mostly smooth and glabrous, proximally, sparsely pubescent; slightly velvety; matte. Texture and luster, lower surface: Smooth, glabrous, slightly velvety; matte. Color: When opening, upper surface: Close to N74C; at the base, close to 145C to 145D. When opening, lower surface: Close to 73A and NN74C; at the base, close to 145C to 145D. Fully opened, upper surface: Close to N74C and NN74C; at the base, close to 145D; with development, color becoming closer to NN74D and 75A and towards the base, close to 145D; venation, similar to lamina. Fully opened, lower surface: Close to NN74D and 75A; at the base, close to 145D; with development, color becoming closer to 75B and towards the base, close to 145D; venation, similar to lamina. Petaloids: Petaloid development has not been observed on plants of the new Dianthus. Sepals.—Quantity and arrangement: Five sepals arranged in a single whorl; proximal 24% portion of the sepals are fused into a campanulate-shaped calyx. Calyx length: About 1.7 cm. Calyx diameter: About 5 mm. Sepal length: About 1.7 cm. Sepal width, at base of “free” portion: About 3 mm. Shape: Narrowly oblong. Apex: Acute. Margin: Entire. Texture and luster, upper surface: Smooth, glabrous; glossy. Texture and luster, lower surface: Smooth, glabrous; matte. Color: When opening, upper surface: Close to 144A to 144B. When opening, lower surface: Close to 138B; towards the apex, close to 184B. Fully opened, upper surface: Close to 144B. Fully opened, lower surface: Close to 143A; towards the apex, close to 183A to 183B. Peduncles.—Length: About 3.7 cm. Diameter: About 1 mm. Strength: Moderately strong. Aspect: About 15° from the stem axis. Texture and luster: Smooth, glabrous; moderately glossy. Color: Close to 137A to 137B. Reproductive organs.—Stamens: Quantity: About ten stamens per flower. Filament length: About 1.7 cm. Filament color: Close to NN155D. Anther length: About 2 mm. Anther shape: Oblong. Anther color: Close to 159D. Pollen: Scarce. Pollen color: Close to 156D. Pistils: Quantity: About two per flower. Pistil length: About 1.3 cm. Stigma diameter: About 1.75 mm. Stigma shape: Pointed, spirally curved. Stigma color: Close to N81C. Style length: About 1.1 cm. Style color: Close to NN155D. Ovary color: Close to 144B. Fruits and seeds: Fruit and seed development have not been observed on plants of the new Dianthus. Disease & pest resistance: Plants of the new Dianthus have not been observed to be resistant to pathogens and pests common to Dianthus plants. Garden performance: Plants of the new Dianthus have been observed to have good garden performance and to tolerate wind, rain and high temperatures about 35° C. and to be suitable for USDA Hardiness Zones 5 to 9.