<i>Cornus florida L. </i>plant named ‘SFCG1702’

Abstract

A new and distinct cultivar of Cornus florida L. plant (dogwood tree) named SFCG1702, characterized by having upright plant growth habit, extremely large, heart-like shaped and vivid purplish-red pink marginal floral bracts around inflorescence, many flowers on lower branches, elegant rose-like fragrance, and strong disease resistance, especially to powdery mildew.

Claims

1. A new and distinct cultivar of Cornus florida L. plant (dogwood tree) named SFCG1702, substantially as herein illustrated and described, characterized particularly as to novelty by exhibiting upright plant growth habit, and extremely large, vivid purplish-red pink marginal floral bracts.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

(1) This new cultivar of dogwood is illustrated by the accompanying digital color photographs, depicting defining characteristics of the plant by the best possible color photography. Colors of foliage, flowers and other plant parts may vary from year to year depending on, among other factors, horticultural practices, light conditions, air temperature, soil fertility, etc.

(2) FIG. 1 illustrates an entire tree of SFCG1702 in bloom (photographed date: Apr. 23, 2018; photographed location: Inazawa-City, Aichi-prefecture, Japan; and the age of photographed SFCG1702: 3 years).

(3) FIG. 2 illustrates multiple sets of an inflorescence and four floral bracts of SFCG1702 on a tree (photographed date: Apr. 23, 2018; photographed location: Inazawa-City, Aichi-prefecture, Japan; and the age of photographed SFCG1702: 3 years).

(4) FIG. 3 illustrates the size of one set of an inflorescence and four floral bracts of SFCG1702 on 1 cm grid cutting mat (photographed date: Apr. 25, 2017; photographed location: Inazawa-City, Aichi-prefecture, Japan; and the age of photographed SFCG1702: 3 years).

(5) FIG. 4 illustrates the size of an inflorescence of SFCG1702 shown on a vernier caliper (photographed date: Apr. 26, 2016; photographed location: Inazawa-City, Aichi-prefecture, Japan; and the age of photographed SFCG1702: 3 years).

(6) FIG. 5 illustrates the size of one set of an inflorescence and four floral bracts of the similar cultivar Cherokee Chief on 1 cm grid cutting mat (photographed date: Jul. 25, 2017; photographed location: Inazawa-City, Aichi-prefecture, Japan; and the age of photographed Cherokee Chief: 3 years).

(7) FIG. 6 illustrates the size of one set of an inflorescence and four floral bracts of the similar cultivar (seed parent) White Love on 1 cm grid cutting mat (photographed date: Apr. 25, 2017; photographed location: Inazawa-City, Aichi-prefecture, Japan; and the age of photographed White Love: 3 years).

(8) FIG. 7 illustrates elliptic leaves of SFCG1702 in growing season (photographed date: Sep. 23, 2016; photographed location: Inazawa-City, Aichi-prefecture, Japan; and the age of photographed SFCG1702: 3 years).

(9) FIG. 8 illustrates the height of a tree of SFCG1702 in fall autumn leaves (photographed date: Nov. 13, 2018; photographed location: Inazawa-City, Aichi-prefecture, Japan; and the age of photographed SFCG1702: 3 years).

(10) FIG. 9 illustrates an upper surface and a lower surface of two leaves of SFCG1702, respectively (photographed date: Apr. 19, 2016; photographed location: Inazawa-City, Aichi-prefecture, Japan; and the age of photographed SFCG1702: 3 years).

(11) FIG. 10 illustrates an entire tree of SFCG1702 without foliage (photographed date: Mar. 7, 2019; photographed location: Inazawa-City, Aichi-prefecture, Japan; and the age of photographed SFCG1702: 3 years).

(12) FIG. 11 illustrates vivid reddish orange colored fruits of SFCG1702 (photographed date: Oct. 24, 2016; photographed location: Minuma-Ward, Saitama-City, Saitama-prefecture, Japan; and the age of photographed SFCG1702: 3 years).

BOTANICAL DESCRIPTION OF THE INVENTION

(13) 1. Plant: Form.Tree. Growth habit.Upright. Plant height.High (0.6 m at 1-year). Plant spread.Narrow (7 cm at 1-year). Cold hardiness.Almost the same as that of Cherokee Chief (to 10 C.). Heat tolerance.Almost the same as that of Cherokee Chief (to +40 C.). Resistance to disease.Stronger than that of Cherokee Chief, especially to powdery mildew. Resistance to insects.Almost the same as that of Cherokee Chief. 2. Branches: Diameter of branches.Narrow (average diameter 2.2 cm; range 1.9-2.5 cm, n=10). Color of shoots (April).Strong Yellow Green (RHS Code: 145A). Color of branches.Dark Red (RHS Code: 183A). Surface pattern of branches.None. Ramification.Almost the same as that of Cherokee Chief. Internode length.Average length 9.7 cm (range 7.3-14.5 cm, n=10). The angle of the intermediate portion of a branch to the trunk in the intermediate portion of tree.29.2 on average (range 25-33 , n=10). 3. Leaves: Leaf shape.Elliptic. Leaf tip shape.Apiculate. Leaf base shape.Obtuse. Leaf margin shape.Entire. Curvature of leaf.Turn outward. Undulation of leaf margin.None. Leaf blade length.Average length 10.6 cm (range 9.9-12.6 cm, n=10). Leaf blade width.Average width 5.4 cm (range 4.7-6.0 cm, n=10). Thickness of leaf blade.Almost the same as that of Cherokee Chief and general dogwoods. Color of new bud.Dark Red (RHS Code: 183B). Color of new leaf.Grayish brown (RHS Code: 166A). Color of upper surface of mature leaf.Moderate Olive Green (RHS Code: 147A). Color of lower surface of mature leaf.Pale Green (RHS Code: 190B). Changeability of leaf color.No change between new leaf and mature leaf prior to change to autumn color. Color of autumn leaf (mid-October).Dark Red (RHS Code: 187B). Mottle on leaf.None. Glossiness of leaf blade.Lustrous. Hairs on upper surface of leaf.Almost the same as that of Cherokee Chief. Hairs on lower surface of leaf.Fewer than that of Cherokee Chief. Leaf veins.Easily visible. Diameter of petiole.Average diameter 1.5 mm (range 1.0-2.0 mm, n=10). Length of petiole.Average length 9.7 mm (range 6.0-13.5 mm, n=10). Color of petiole.Brilliant Yellow Green (RHS Code: 150A). 4. Flowers: Inflorescence. Type of inflorescence.Flower head. dense, rounded mound. Direction of inflorescence.Upward facing. Size of inflorescence (flower head).Average diameter 20.2 mm (range 17.5-21.0 mm, n=10). Size of inflorescence including floral bracts.Average diameter 11.3 cm (range 10.9-12.8 mm, n=10). Floret (true flower). Size of floret.Average diameter 3.5 mm (range 3.0-4.0 mm, n=10). Color of floret.Strong Greenish Yellow (RHS Code: 151B). Shape of floret.Rounded. Floral bracts. Flowering habit.Single-flowered. Overlapping of floral bracts.Overlapping. Opening habit of floral bracts.Horizontal. Warping habit of floral bracts.Horizontal. Degree of warping of floral bracts.Extremely weak. Curvature of floral bracts.Horizontal. Twist of floral bracts.None. Shape of entire floral bract.Obovate. Shape of tip of floral bract.Concave shape. Length of floral bract.Average length 54.1 mm (range 51-61 mm, n=10). Width of floral bract.Average width 46.8 mm (range 42.1-56.0 mm, n=10). Number of floral bracts.Four (two opposing pairs). Color of floral bracts (base color).Greenish white (RHS Code: 155C). Pattern of floral bracts.Vein pattern. Color of pattern of floral bracts.Vivid purplish Red (RHS Code: N57B). Diameter of peduncle.Average diameter 2.1 mm (range 1.6-1.9 mm, n=10). Length of peduncle.Average length 28.3 mm (range 23.2-31.5 mm, n=10). Color of peduncle.Brilliant Yellow Green (RHS Code: 149A). Fragrance of flower.Elegant rose-like fragrance. 5. Reproductive organs: Color of pistil.Strong Yellow Green (RHS Code: 144A). Color of stamen.Pale Yellow Green (RHS Code: 155A). 6. Fruit Shape of fruit.Elliptic. Length of fruit.Almost the same as that of Cherokee Chief (average 1.3 mm; range 1.1-1.6 mm, n=10). Width of fruit.Almost the same as that of Cherokee Chief (average 0.9 mm; range 0.7-1.1 mm, n=10). Color of fruit.Vivid Reddish Orange (RHS Code: 44B). 7. Others: Fertile property.High (Almost the same as that of Cherokee Chief). Blooming.One-season blooming. The first ornamental display of the large floral bracts are observed around April 20 in Aichi-prefecture, Japan, and the floral display of the large floral bracts typically lasts about ten days, depending on weather conditions. Defoliation.Deciduous. Time of fruit maturity.Late October in Aichi-prefecture, Japan.