<i>Rosa </i>plant named ‘ESM R394’

Abstract

A new and distinct cultivar of Rose plant named ‘ESM R394’, characterized by its upright and strong flowering stems; moderately vigorous to vigorous growth habit; dark green-colored leaves; purplish pink-colored flowers; and excellent postproduction longevity.

Claims

1. A new and distinct Rose plant named ‘ESM R394’ as illustrated and described.

Description

BRIEF DESCRIPTION OF THE PHOTOGRAPH

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

(2) On the left side of the sheet is a side perspective of a typical flowering stem of ‘ESM R394’.

(3) On the upper right side of the sheet is a close-up view of a typical developed flower of ‘ESM R394’.

(4) On the center and lower right side of the sheet are close-up views of the upper and lower surfaces of typical leaves of ‘ESM R394’.

DETAILED BOTANICAL DESCRIPTION

(5) The aforementioned photograph, following observations and measurements describe plants grown in 10-liter containers in a polyethylene-covered greenhouse in El Quinche, Pichincha, Ecuador and under typical hydroponic Rose production practices. Plants were pinched 14 weeks after planting and were 106 weeks old when the photograph was taken and 46 weeks old when the description was taken. During the production of the plants, day temperatures ranged from 16° C. to 30° C., night temperatures ranged from 12° C. to 16° C. and light levels ranged from 800 to 1,200 foot-candles. 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: Rosa hybrida ‘ESM R394’. Parentage: Female, or seed, parent.—Proprietary seedling selection of Rosa hybrida identified Line R567, not patented. Male, or pollen, parent.—Proprietary seedling selection of Rosa hybrida identified Line R770, not patented. Propagation: Type.—By bud grafting. Time to initiate roots, summer.—About 15 days at temperatures about 26° C. to 30° C. Time to produce a rooted young plant, summer.—About 30 days at temperatures about 22° C. to 26° C. Root description.—Medium in thickness, fibrous; typically greyish brown in color, actual color of the roots is dependent on substrate composition, water quality, fertilizers, substrate temperature and age of roots. Rooting habit.—Moderately freely branching; dense. Plant description: Plant and growth habit.—Perennial shrub; upright and strong flowering stems; typically grown as a standard type; moderately vigorous to vigorous growth habit and rapid growth rate. Productivity.—Plants of the new Rose are highly productive with more than ten flowering stems developing per plant per year. Plant height.—About 195 cm. Plant width (spread).—About 54 cm. Lateral branches.—Length: About 92 cm. Diameter: About 7.8 mm. Internode length: About 5.2 cm. Texture and luster: Smooth, glabrous; matte. Strength: Strong. Color, developing: Close to 146A. Color, developed: Close to 144A; at the internodes, close to N146A and N199A. Thorns: Number per linear cm: About one to two. Shape: Triangular with sharp acuminate apices; slightly incurved. Height: About 8.5 mm. Length, at base: About 1 cm. Color, immature: Close to 181B. Color, mature: Close to 179B. Leaf description: Arrangement.—Alternate; compound with typically five to seven leaflets per leaf. Leaf length.—About 19.4 cm. Leaf width.—About 13.9 cm. Leaflet length.—About 8.2 cm. Leaflet width.—About 4.8 cm. Leaflet shape.—Ovate. Leaflet apex.—Acuminate. Leaflet base.—Obtuse. Leaflet margin.—Serrate. Leaflet texture and luster, upper surface.—Smooth, glabrous; moderately glossy. Leaflet texture and luster, lower surface.—Smooth, glabrous; matte. Leaflet venation pattern.—Pinnate. Leaflet color.—Developing leaflets, upper surface: Close to NN137A. Developing leaflets, lower surface: Close to 147B. Fully expanded leaflets, upper surface: Close to NN137A; venation, close to 151B. Fully expanded leaflets, lower surface: Close to 147A; venation, close to 145B. Petioles.—Length: About 1.9 cm. Diameter: About 2.2 mm. Strength: Strong. Texture and luster, upper surface: Prickly; matte. Texture and luster, lower surface: Smooth, glabrous; moderately glossy. Color, upper surface: Close to between 179A and 166A. Color, lower surface: Close to 146A. Stipules.—Arrangement and appearance: Two, adnate to the petiole, leafy in appearance. Length: About 2.7 cm. Width: About 1.9 mm. Shape: Roughly deltoid. Apex: Acuminate, tapered. Base: Tapered. Margin: Irregular. Texture and luster, upper and lower surfaces: Smooth, margins, pubescent; membranous; matte. Venation pattern: Pinnate. Color, upper surface: Close to NN137A. Color, lower surface: Close to 147A. Flower description: Flower type and arrangement.—Symmetrical rosette flowers; flowers typically grown as a standard type with one terminal flower per flowering stem; flowers face upright. Flowering season.—Plants of the new Rose flower year-round under greenhouse conditions; early flowering habit, plants begin flowering about 80 days after pinching. Flower diameter.—About 13.8 cm. Flower depth (height).—About 6.4 cm. Flower longevity.—Excellent postproduction longevity; flowers maintain good substance for about 18 to 20 days on the plant and for about 14 to 16 days as a cut flower; flowers persistent. Fragrance.—None detected. Flower buds.—Length: About 5.9 cm. Diameter: About 5.3 cm. Shape: Ovoid. Texture and luster: Smooth, glabrous; matte. Color: Close to N186C and 146A. Petals.—Quantity: About 27 per flower; petals imbricate. Length: About 7.1 cm. Width: About 7.9 cm. Shape: Obovate. Apex: Short acute. Base: Obtuse. Margin: Entire; moderately undulate. Texture and luster, upper and lower surfaces: Smooth, glabrous; papery to coriaceous; matte. Color: When opening, upper surface: Close to N66A. When opening, lower surface: Close to N66B. Fully opened, upper surface: Close to N66B; venation, close to N66B; color becoming closer to N57A with development. Fully opened, lower surface: Close to N66B; towards the base, close to N57B; color becoming closer to N57B with development. Petaloids.—Quantity: About four in a single whorl. Length: About 4.6 cm. Width: About 3.1 cm. Shape: Irregularly shaped. Apex: Variable. Base: Tapered. Margin: Irregular; undulate. Texture and luster, upper surface: Somewhat rugose, glabrous; papery to coriaceous; matte. Texture and luster, upper surface: Smooth, glabrous; papery to coriaceous; moderately glossy. Color: When opening, upper surface: Close to N57A. When opening, lower surface: Close to N57B. Fully opened, upper surface: Close to N57B; venation, close to N57D; color becoming closer to between N57A and N66B and proximally, close to 155C with development. Fully opened, lower surface: Close to N57B; venation, close to N57D; color becoming closer to between N57A and N66B and proximally, close to 155B with development. Sepals.—Quantity per flower: Typically five in a single whorl. Length: About 4.4 cm. Width: About 1.6 cm. Shape: Roughly deltoid. Apex: Tapered. Base: Truncate. Margin: Entire; ciliate and/or glandular. Texture and luster, upper surface: Pubescent, leathery; matte. Texture and luster, lower surface: Glabrous, leathery; matte. Color: When opening, upper surface: Close to 144A. When opening, lower surface: Close to 138B. Fully opened, upper surface: Close to 146A. Fully opened, lower surface: Close to 139C. Reproductive organs.—Stamens: Quantity: About 294 per flower. Filament length: About 6.9 mm. Filament color: Close to 54B and 157A. Anther size: About 2.6 mm by 1.9 cm. Anther shape: Reniform. Anther color: Close to 63A and towards the edge, close to 161A. Pollen amount: Moderate. Pollen color: Close to 163A. Pistils: Quantity: About 230 per flower. Pistil length: About 1.8 cm. Stigma diameter: About 1.3 mm. Stigma shape: Broadly reniform. Stigma color: Close to 4C. Style length: About 1.3 cm. Style color: Close to 53B and 157B. Ovary color: Close to 157A. Receptacle height: About 1.2 cm. Receptacle diameter: About 1.6 cm. Receptacle shape: Cup-shaped. Receptacle texture: Smooth, glabrous. Receptacle color: Close to 144A to 144B. Fruits and seeds: To date, fruit and seed development have not been observed on plants of the new Rose. Pathogen & pest tolerance: Plants of the new Rose have not been observed to be tolerant to pathogens and pests common to Rose plants. Temperature tolerance: Plants of the new Rose have been observed to tolerate temperatures ranging from 0° C. to 35° C.