<i>Dianthus </i>plant named ‘G18144’

Abstract

A new and distinct cultivar of Dianthus plant named ‘G18144’ is disclosed, characterized by pink flowers with a distinct red eye. Plants are Winter hardy in Zone 5 and flower continuously from May through early November at 41N latitude. Plant growth continues to emerge from the center of the plant, avoiding a bare center. The new variety is a Dianthus, normally used for outdoor ornamental purposes.

Claims

1. A new and distinct cultivar of Dianthus plant named ‘G18144’ as herein illustrated and described.

Description

BRIEF DESCRIPTION OF THE PHOTOGRAPHS

(1) The accompanying photograph in FIG. 1 illustrates a typical flowering plant of ‘G18144’ grown outdoors in Bellefonte, Pa. at approximately 4 months old in a 1 gallon pot.

(2) FIG. 2 illustrates a close-up view of the flowers.

(3) The photographs were taken using conventional techniques and although colors may appear different from actual colors due to light reflectance it is as accurate as possible by conventional photographic techniques.

DETAILED BOTANICAL DESCRIPTION

(4) In the following description, color references are made to The Royal Horticultural Society Colour Chart 2007 except where general terms of ordinary dictionary significance are used. The following observations and measurements describe ‘G18144’ plants grown outdoors in Camarillo, Calif. The growing temperature ranged from approximately 10° C. to 25° C. during the day and from approximately 6° C. to 12° C. during the night. General light conditions are normal sunlight and numerical values represent averages of typical plant types. Measurements were taken during June of 2021. Botanical classification: Dianthus hybrida ‘G18144’.

PROPAGATION

(5) Time to initiate roots: About 10 days at approximately 24° C. Time to produce a rooted cutting: About 18 days at 24° C. Root description: Fibrous roots, approximately 1 to 3 mm in diameter, colored near Orange-White 159C. measured with R.H.S. Chart.

PLANT

(6) Age of plant described: About 6 weeks from a rooted cutting. Growth habit: Mounded flowering perennial. Plant spread: About 15 cm. Plant height: About 8 cm. Plant vigor: Strong. Length plant stem: Average 6 cm. Diameter of plant stem: Approximately 3 mm. Quantity stems: Approximately 30 to 40. Stem: Color.—Near RHS Green 137B. Texture.—Smooth. Hollowness.—Slightly hollow with age. Internode length: 1 to 2 cm.

FOLIAGE

(7) Leaf: Arrangement.—Opposite (in pairs). Quantity.—Approximately 12 to 16 fully expanded per stem. Average length.—2.5 to 4.0 cm. Average width.—3 mm. Shape of blade.—Linear. Apex.—Acute. Base.—Clasping. Attachment.—Sessile. Margin.—Entire. Texture of top surface.—Smooth. Texture of bottom surface.—Smooth. Pubescence.—None. Color.—Young foliage upper side: Near RHS Green 137A. Young foliage under side: Near RHS Green 137B. Mature foliage upper side: Near RHS Green 139B. Mature foliage under side: Near RHS Green 139C. Venation.—Type: Linear. Venation color upper side: Indistinguishable from foliage. Venation color under side: Indistinguishable from foliage.

FLOWER

(8) Natural flowering season: May through early November at 41N latitude. Inflorescence type and habit: Umbel of 2 to 4 flowers. Flower longevity on plant: Individual flowers about 10 days. Quantity of flowers: Approximately 25 flowers and buds on a 6-week old plant. Flowers persistent or self-cleaning: Persistent. Fragrance: Faint sweet scent. Inflorescence (umbel) size: Diameter.—Approximately 6.0 cm. Height.—Approximately 5.0 cm. Individual flower size: Diameter.—Approximately 3.0 cm. Length.—Approximately 2.8 cm. Petals: Petal arrangement.—Single overlapping whorl. Shape.—Spatulate, elongated base. Base.—Long attenuate. Margin.—Serrated. Apex.—Serrate. Length.—Upper section, outside of tube: 1.5 cm. Elongated base, in tube, 1.8 cm. Width.—Upper section, outside of tube: 1.5 cm. Elongated base, in tube, 3 mm. Petal quantity.—Average range 12 to 18. Texture.—Smooth all surfaces. Aspect.—Nearly flat. Color: When opening.—Upper surface: Near RHS Red-Purple 73A, flushed 72C. Center eye Red 46B, visible throat near 73D. Lower surface: Near RHS Red-Purple N74D. Base near tube 73D. Fully opened.—Upper surface: Near RHS Red-Purple 73A, flushed N74B. Center eye Red 46B, visible throat near 73D. Lower surface: Near RHS Red-Purple N74D. Base near tube 73D. Tube: General description.—Tube consists of the elongated, unfused base of the petals. Tube shape caused by a fused calyx. Length.—1.8 cm. Width.—5 mm. Texture.—Smooth. Color: Fully opened.—Inner surface: Near RHS Green 138A. Outer surface: Near RHS Green 139D. Bud: Shape.—Elongated cylinder. Length.—Average 2.0 cm. Diameter.—Average 1.0 cm. Color.—Appearing petals colored near Red-Purple N74C 54D flushed Red-Purple N74A. Sepals: Quantity.—5. Arrangement.—Fused tube. Shape.—Cylindric. Length.—1.5 cm. Width.—0.3 cm. Margin.—Entire. Apex.—Acute. Texture.—Smooth upper and lower surfaces. Color.—Near RHS Green 138B. Bracteoles: Shape.—Narrow Deltoid. Quantity per flower.—5-7. Length.—Average 5 mm. Width.—Average 4 mm. Margin.—Entire. Texture.—Smooth. Color.—Near RHS Green 138A. Peduncle: Length.—Average 2 cm. Diameter.—2.0 mm. Color.—Near RHS Green 138A. Orientation.—Upright. Strength.—Moderate. Texture.—Smooth.

REPRODUCTIVE ORGANS

(9) Stamens: Number.—About 10. Filament length.—1.5 cm. Filament color.—Near White 155D. Anthers: Shape.—Linear. Length.—3 mm. Color.—Red-Purple N74D. Pollen.—Not observed. Pistil: Number.—1, 2 stigmas. Length.—2.5 cm. Style.—Number: 2. Length: Approximately 1.7 cm. Color: Base near White N155C, upper-section Red-Purple 73D. Stigma.—Shape: Linear. Color: Near RHS Red-Purple N74D. Ovary.—Shape: Oblong. Diameter: 7 mm. Length: 7 mm. Color: Near RHS Near RHS Yellow-Green 150D.

OTHER CHARACTERISTICS

(10) Fruits and seeds: Not observed to date. Disease/pest resistance: Shows good field-tolerance to common Dianthus pathogens. Specific pathogens resistance have not been determined. Temperature range: Winter hardiness to at least USDA Zone 5.