<i>Hibiscus </i>plant named ‘MINSYROU17’

Abstract

A new and distinct Hibiscus cultivar named MINSYROU17 is disclosed, characterized by large, single, magenta flowers with a small darker eye. Plants are well-branched, upright, and compact. The new variety is a Hibiscus, normally produced as an outdoor garden or container plant.

Claims

1. A new and distinct cultivar of Hibiscus plant named MINSYROU17 as herein illustrated and described.

Description

BRIEF DESCRIPTION OF THE PHOTOGRAPHS

(1) The accompanying photograph in FIG. 1 illustrates in full color a typical plant of MINSYROU17 grown in a 2-gallon pot at approximately 2 years old in Grand Haven, Mich.

(2) FIG. 2 illustrates in full color a typical flower of MINSYROU17.

(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 2015, 6.sup.th edition, except where general terms of ordinary dictionary significance are used. The following observations and measurements describe MINSYROU17 plants grown in an unheated polyhouse in Grand Haven, Mich. under natural lighting. Measurements were taken during the August of 2020. The plants were about 2 years old in 3-gallon containers. The growing temperature ranged from approximately 5 C. to 27 C. Measurements and numerical values represent averages of typical plant types. Botanical classification: Hibiscus syriacus MINSYROU17.

PROPAGATION

(5) Time to initiate roots: 20 days at approximately 18 C. to 27 C. Root description: Fibrous, medium root thickness. Tan/brown in color, not effectively measured with a color chart. Time to produce a rooted young plant: About 90 days at approximately 18 C. to 27 C.

PLANT

(6) Plant type: Perennial, hardy deciduous flowering shrub. Age of plant described: Approximately 2 years old. Growth habit: Upright and compact. Height: 83 cm. Spread: 49 cm. Branching characteristics: Well branched. Length of primary lateral branches: 48 cm. Quantity of lateral branches: About 10. Characteristics of primary lateral branches: Diameter.6 to 10 mm. Color.New growth near Green 143A, mature growth near Yellow-Green 146A. Texture.New growth pubescent. Internode length: 3 to 7 cm.

FOLIAGE

(7) Leaf: Arrangement.Alternate. Quantity.Approximately 20 per branch. Average length.7 cm. Average width.6 cm. Shape of blade.Obvate, 3-lobed. Apex.Acute. Base.Obtuse. Margin.Lobed, crenate. Texture of top surface.Slightly rough, ribbed. Texture of bottom surface.Rough, with distinct veins. Color.Young foliage upper side: RHS Green 137A. Young foliage under side: RHS Yellow-Green 147B. Mature foliage upper side: RHS Green NN137A. Mature foliage under side: RHS Green NN137C. Venation.Type: Pinnate. Venation color upper side: RHS Green NN137A. Venation color under side: RHS Green NN137C. Petiole.Length: 3.5 cm. Diameter: 2 mm. Color: RHS Green NN137B. Texture: Upper surface pubescent, lower surface glabrous.

FLOWER

(8) Natural flowering season: Summer. Flower type and habit: Solitary, rotate. Single, double, multiplex.Single. Petals overlapping.Moderately overlapping. Rate of flower opening: 1 to 2 days from bud to fully opened flower. Flower longevity on plant: 1 to 2 days. Persistent or self-cleaning: Self-cleaning. Bud: Shape.Ovate. Length.3.5 cm. Diameter.1.5 cm. Color.RHS Red-Purple 59A. Flower size: Diameter.9.5 cm. Depth.5 cm. Petals: Quantity.5. Arrangement.Whorled, overlapping. Length.6.5 cm. Width.5.0 cm. Shape.Obovate. Apex.Obtuse. Base.Attenuate. Margin.Entire, slight undulation. Texture, upper and lower surfaces.Smooth. Color.When opening, upper surface: RHS Greyed-Purple 186C with a small Greyed-Purple 185A eye. When opening, lower surface: RHS Greyed-Purple 185D, base fading to White NN155D. Faint, small Greyed-Purple 185A eye. Fully opened, upper surface: RHS Greyed-Purple 186C with a small Greyed-Purple 185A eye. Fully opened, lower surface: RHS Greyed-Purple 185D, base fading to White NN155D. Faint, small Greyed-Purple 185A eye. Ratio of basal blotch/eye to petal size: About 15% of petal blade blotched. Feathering color: RHS Greyed-Purple 185A Feathering size: Minimal, about 5 to 10 mm. Sepals: Quantity.5. Length.2.5 cm. Width.2 mm. Shape.Narrow deltate. Margin.Entire. Color.RHS Green 143C upper surface, 143D lower surface. Texture.Glabrous all surfaces. Peduncles: Length.2.25 cm. Diameter.3 mm. Angle.About 45 to the lateral branch. Strength.Strong. Texture.Pubescent. Color.RHS Green 143B. Fragrance: None.

REPRODUCTIVE ORGANS

(9) Stamens: Number.50. Anthers: Shape.Irregular sphere. Length.About 2 mm. Color.Near RHS White 155A. Pollen color.Near RHS White 155A. Pollen amount.Moderate. Pistil: Number.1. Length.4.25 cm. Style.Length: 3.7 cm. Color: Near RHS White 155C. Stigma.Shape: Peltate. Color: Near RHS White 155C. Ovary color.Near RHS White 155C with light shading of Red-Purple 60B.

OTHER CHARACTERISTICS

(10) Seeds: Capsule, typically about 1 cm in diameter and length. Pubescent, colored near Grey-Brown 199B. Moderately abundant lightly pubescent seed. Disease/pest resistance: Improved resistance to Sclerotinia. No other resistance nor susceptibility to normal diseases and pests of Hibiscus syriacus have been observed. Temperature tolerance: Low temperature tolerance to at least USDA zone 4, high temperature tolerance to at least 40 C.