Hibiscus plant named ‘Adonicus Red’

Abstract

A new and distinct cultivar of Hibiscus plant named Adonicus Red, characterized by its upright, mounding and bushy plant habit; dark green-colored leaves; uniform and freely flowering habit; large red-colored flowers with darker red-colored centers; and excellent flower longevity.

Claims

1. A new and distinct Hibiscus plant named Adonicus Red as illustrated and described.

Description

BRIEF DESCRIPTION OF THE PHOTOGRAPHS

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

(2) The photograph on the first sheet is a side perspective view of a typical flowering plant of Adonicus Red grown in a container.

(3) The photograph on the second sheet is a close-up view of typical developing flower buds and a typical open flower of Adonicus Red.

(4) The photograph on the third sheet is a close-up view of a typical dissected flower of Adonicus Red.

DETAILED BOTANICAL DESCRIPTION

(5) The aforementioned photographs and following observations, measurements and values describe plants grown during the autumn and winter in 13-cm containers in a glass-covered greenhouse in Sabro, Denmark and under cultural practices typical of commercial Hibiscus production. During the production of the plants, day temperatures ranged from 20 C. to 25 C., night temperatures ranged from 19 C. to 21 C. and light levels ranged from 40 to 50 klux. Plants were pinched one time eight weeks after planting and plants were 26 weeks old when the photographs and the description were taken. In the 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: Hibiscus rosa-sinensis Adonicus Red. Parentage: Female, or seed, parent.Proprietary selection of Hibiscus rosa-sinensis identified as code number GB 2008-6830, not patented. Male or pollen parent.Hibiscus rosa-sinensis Adonis, disclosed in U.S. Plant Pat. No. 21,592. Propagation: Type.By vegetative terminal cuttings. Time to initiate roots, summer.About three weeks at temperatures about 24 C. Time to initiate roots, winter.About four weeks at temperatures about 24 C. Time to produce a rooted young plant, summer.About eight weeks at temperatures about 24 C. Time to produce a rooted young plant, winter.About ten weeks at temperatures about 24 C. Root description.Medium in thickness, fleshy; color, close to 158A, 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 and growth habit.Container plant; upright, mounding and bushy plant habit; moderately vigorous growth habit. Branching habit.Freely branching habit with usually about four to six lateral branches developing per plant; pinching enhances lateral branch development. Plant height.About 35 cm to 55 cm. Plant diameter (area of spread).About 30 cm to 50 cm. Lateral branch description: Length.About 10 cm to 30 cm. Diameter.About 4 mm to 8 mm. Internode length.About 1 cm to 5 cm. Strength.Strong. Texture.Smooth, glabrous; becoming woody with development. Color, developing.Close to 147B. Color, developed.Close to N199B and 199B. Leaf description: Arrangement.Alternate, single; numerous. Length.About 8 cm to 12 cm. Width.About 6 cm to 8 cm. Shape.Ovate. Apex.Acuminate. Base.Obtuse. Margin.Irregularly serrate; undulate. Texture, upper surface.Smooth, glabrous; somewhat leathery. Texture, lower surface.Scattered pubescence; venation prominent. Luster, upper surface.Moderately glossy. Luster, lower surface.Matte. Venation pattern.Pinnate; arcuate. Color.Developing leaves, upper surface: Close to 138A. Developing leaves, lower surface: Close to 138B. Fully expanded leaves, upper surface: Close to N189A; venation, close to 139A. Fully expanded leaves, lower surface: Close to 137A; venation, close to 146A. Petioles.Length: About 3 cm to 6 cm. Diameter: About 2 mm to 3 mm. Texture, upper and lower surfaces: Smooth, glabrous. Color, upper surface: Close to N189A. Color, lower surface: Close to 197A. Flower description: Flower arrangement.Flowers arranged singly at terminal leaf axils; uniform, continuous and freely flowering habit with numerous flowers developing per plant; flowers face mostly upright to slightly outwardly. Fragrance.None detected. Natural flowering season.Plants flower in the garden during the spring and summer or during periods of warm weather; in the greenhouse, plants can be flowered year-round; plants begin flowering about 20 to 22 weeks after planting. Flower longevity.Excellent flower longevity, flowers last for about three to four days; flowers persistent. Flower diameter.About 15 cm to 19 cm. Flower length (height).About 8 cm to 10 cm. Flower buds.Rate of opening: Flowers buds open in about three to five days. Length: About 4 cm to 8 cm. Diameter: About 2 cm to 3 cm. Shape: Ovoid to lanceolate. Color: Close to N34A. Petals.Arrangement: Five petals in a single whorl; petals imbricate. Length: About 8 cm to 9 cm. Width: About 7 cm to 8 cm. Shape: Fan-shaped. Apex: Rounded. Base: Attenuate. Margin: Entire; undulate. Texture, upper surface: Glabrous; rough with a velvety appearance. Texture, lower surface: Glabrous, rough with a satiny appearance. Luster, upper surface: Matte. Luster, lower surface: Glossy. Color: When opening, upper surface: Close to 44A; towards the base, close to 53A. When opening, lower surface: Close to 47A. Fully opened, upper surface: Close to 45A; towards the base, close to 53A; with development, main color becoming closer to 44A. Fully opened, lower surface: Close to 47B; with development, color becoming closer to 47A. Sepals.Appearance: Five sepals fused into a campanulate-shaped calyx. Length: About 3 cm to 3.5 cm. Width: About 1 cm to 1.5 cm. Shape: Lanceolate. Apex: Acuminate. Margin: Entire. Texture, upper surface: Glabrous, rough. Texture, lower surface: Glabrous, smooth. Color, upper surface: Close to 144A. Color, lower surface: Close to 144B. Peduncles.Length: About 2 cm to 4 cm. Diameter: About 3 mm to 4 mm. Strength: Strong. Aspect: Mostly upright. Texture: Sparsely pubescent. Color: Close to 143A and 137A. Reproductive organs.Androecium: Stamen number: Numerous, more than 100. Filament length: About 5 mm to 10 mm. Filament color: Close to 52B. Anther shape: Rounded to ovate. Anther length: About 1 mm to 2 mm. Anther color: Close to 20A. Amount of pollen: Abundant. Pollen color: Close to 19A. Gynoecium: Pistil length: About 10 cm. Style length: About 9 cm. Style texture: Smooth, waxy. Style color: Close to 4C. Stigma appearance: Five-parted, rounded stigma pads. Stigma color: Close to 53A. Ovary color: Close to 149D. Seeds.Quantity produced per flower: About 1 to 15. Length: About 5 mm. Diameter: About 5 mm. Color: Close to 202A. Temperature tolerance: Plants of the new Hibiscus have been observed to have tolerate temperatures from about 10 C. to about 40 C. Pathogen & pest resistance: Plants of the new Hibiscus have not been observed to be resistant to pathogens and pests common to Hibiscus plants.