<i>Rosa </i>plant named ‘RUIRI0109A’

Abstract

A new and distinct cultivar of hybrid Rosa plant named, ‘RUIRI0109A’ is disclosed, characterized by pure yellow flowers on highly floriferous plants. Foliage is very glossy. The new variety is a multiflora landscape type garden rose.

Claims

1. A new and distinct hybrid cultivar of Rosa multiflora landscape plant named ‘RUIRI0109A’ as herein illustrated and described.

Description

BRIEF DESCRIPTION OF THE PHOTOGRAPHS

(1) The accompanying photograph in FIG. 1 illustrates a close-up view of a typical inflorescence.

(2) FIG. 2 illustrates in full color typical plants of ‘RUIRI0109A’ grown in the ground at a nursery in De Kwakel, The Netherlands. Plants in FIG. 2 are approximately 2 years old.

(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 ‘RUIRI0109A’ plants grown outdoors, in De Kwakel, The Netherlands. The growing temperature ranged from approximately 20° C. to 26° C. during the day and from approximately 16° C. to 18° C. during the night. Measurements were taken in August. General light conditions were very bright, normal sunlight. Measurements and numerical values represent averages of typical plant types. Botanical classification: Rosa ‘RUIRI0109A’. Market classification: Landscape/groundcover multiflora.

PROPAGATION

(5) Time to initiate roots: 10 days at approximately 25° C. Time to produce a rooted cutting: 21 days at approximately 25° C. Typical method: Vegetative terminal cuttings, does not require grafting.

PLANT

(6) Growth habit: Intermediate. Age of plant described: 2 years. In a container or in the ground: Ground. Height: 50 cm. Plant spread: 40 cm. Branching characteristics: Length of primary lateral branches: Approximately 28 cm. Diameter of lateral branches: Approximately 8 cm. Quantity of lateral branches: 3 to 6 main lateral branches. Branching arrangement: Compound. Branches-young wood: Diameter.—Approximately 0.4 cm. Texture.—Smooth. Approximately density/quantity of thorns.—Dense. Color.—Near RHS Yellow-Green 146C. Branches-old wood: Diameter.—Approximately 0.6 cm, after 0.5 years. Color.—Near RHS Yellow-Green 146B. Texture.—Smooth. Approximate density/quantity of thorns.—Few. Thorns.—Color: Near RHS Brown 200C. Height: 0.8 cm. Diameter: 0.8 cm.

FOLIAGE

(7) Leaf: Arrangement.—Imparipinnate. Quantity.—Approximately 6 per main branch. Average length.—Approximately 9 cm. Average width.—Approximately 7 cm. Leaflet: Quantity.—3, 5, or 7 per leaf. Average length.—Approximately 4.5 cm. Average width.—Approximately 3 cm. Shape of blade.—Ovate. Apex.—Acute. Base.—Obtuse. Margin.—Serrate. Texture of top surface.—Smooth. Texture of bottom surface.—Smooth. Appearance of top surface.—Very glossy. Appearance of bottom surface.—Matte. Leaf internode length.—3-4 cm. Color.—Young foliage upper side: Near RHS Green 137A with an overall hue near Greyed-Orange 172A. Young foliage under side: Near RHS Yellow-Green 147C. Mature foliage upper side: Near RHS Green NN137A. Mature foliage under side: Near RHS Yellow-Green 147B. Venation.—Type: Pinnate. Venation color upper side: Immature near Greyed-Orange 172A, mature near Yellow-Green N144B. Venation color under side: Near RHS Green 137D. Stipule: Length.—1.6 cm. Width.—0.5 cm. Color.—Near RHS Green 138C. Texture.—Smooth. Petiole: Length.—1.5 cm. Width.—0.2 cm. Color.—Immature near Greyed-Red 178C, mature near Yellow-Green N144C. Texture.—Pubescent. Rachis: Length.—1.7 cm. Width.—0.2 cm. Color.—Immature near Greyed-Red 178C, mature near Yellow-Green N144C. Texture.—Pubescent.

FLOWER

(8) Natural flowering season: June-October in Europe. Begins flowering after how many years/months: 2 months. Inflorescence type: Multiflora. Rate of flower opening: Approximately 3 days from bud to fully opened flower. Flower longevity on plant: 7 days, after fully opened. Quantity of flowers: 10 flowers per inflorescence. Inflorescence size: Diameter.—Approximately 13 cm. Length.—Approximately 12 cm. Flower size: Diameter.—Approximately 6 cm. Length.—Approximately 4 cm. Peduncle: Length.—4 cm. Diameter.—0.25 cm. Petals: Petal arrangement.—Rotate, loose. Length.—3 cm. Width.—4 cm. Shape.—Transverse elliptic. Margin.—Undulate. Apex.—Retuse. Base.—Rounded. Petal quantity.—10. Texture.—Smooth. Color.—When opening: Upper surface: Near RHS Yellow 12B. Lower surface: Near RHS Yellow 10B. Fully opened: Upper surface: Near RHS Yellow 9D. Lower surface: Near RHS Yellow 9D. Bud: Shape.—Oval. Length.—Approximately 1.5 cm. Diameter.—Approximately 1.1 cm. Color.—Near RHS Yellow 13B. Sepals: Length.—1.7 cm. Width.—0.8 cm. Shape.—Lanceolate. Color.—Interior Surface: Near RHS Green 143C. Exterior Surface: Near RHS Green 143C flushed Greyed-Purple 187A. Texture.—Smooth. Receptacle: Length.—0.8 cm. Width.—0.7 cm. Shape.—Round. Color.—Near RHS Yellow-Green 144D lightly flushed Greyed-Purple 187A. Fragrance: None.

REPRODUCTIVE ORGANS

(9) Stamens: Quantity.—Average 60. Filament length.—Average 0.7 cm. Filament color.—RHS Yellow-Orange 14C. Anthers: Length.—2 mm. Shape.—Oblong. Color.—RHS Yellow-Orange 22A. Pollen.—Color: RHS Yellow-Orange 22A. Quantity: Scant to moderate. Pistil: Number.—30. Length.—3 mm. Style.—Length: Approximately 0.4 cm. Color: Near RHS Red 44C. Stigma: Shape.—Orbicular. Color.—Near RHS Greyed-Orange 162A.

OTHER CHARACTERISTICS

(10) Seeds and fruits: Not observed. Disease/pest resistance: Neither resistance nor susceptibility to typical diseases and pests of landscape roses observed. Temperature tolerance: USDA zones 4-9.