Gentian plant named ‘Ashiro 29-2075’

Abstract

A new variety of Gentiana L. plant (Japanese gentian) which is a double flower type and has a diameter at the top of the corolla of 30.6 mm.

Claims

1. A new and distinct variety of Gentiana plant named ‘Ashiro 29-2075’, substantially as described and illustrated herein.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

(1) In the accompanying drawings, which are as nearly true as is reasonable possible to make in a color illustration of this type:

(2) FIG. 1 is a color photograph showing the ‘Ashiro 29-2075’ plant as grown in a culturing bed;

(3) FIG. 2 is a color photograph showing flowers of the ‘Ashiro 29-2075’ plant;

(4) FIG. 3 is a color photograph showing flowering stages of flowers of the ‘Ashiro 29-2075’ plant;

(5) FIG. 4 is a color photograph showing petals of flowers of the ‘Ashiro 29-2075’ plant;

(6) FIG. 5 is another color photograph showing flowers of the ‘Ashiro 29-2075’ plant;

(7) FIG. 6 is a map showing the steps of the cross-breeding program from which the variety was obtained.

(8) Due to chemical and/or digital development, processing and printing, the plants or portions of plants depicted in the photographs may or may not be precisely accurate, when compared to the actual botanical specimens.

DETAILED DESCRIPTION OF THE INVENTION

(9) The plants in the botanical description below and shown in the Figures were grown in Iwate, Japan. The plants were collected in October 2020 at age 16 months.

(10) Colors are given according to The 2015 R.H.S. Colour Chart.

BOTANICAL DESCRIPTION

(11) TABLE-US-00002 TABLE 2 Stem Length: 81.9 cm Stem shape in cross-section: circular Thickness (main flowering 3.4 mm stem): Number of flowering stems 12.7 per plant (average): Texture: smooth Color: strong yellow green (145A on RHS Colour Chart) Anthocyanin coloration at two present thirds from base: Number of internodes longer 21.2 than 5 mm (average): Length of internode in central 4.3 cm third: Side shoots: present Number of side shoots with 0.2 only one node (average): Number of side shoots with 8.9 more than one node (average): Position of longest leaf: in lower third Leaf Length: 6.4 cm Leaf arrangement: opposite leaf arrangement Leaf attachment: sessile Leaf apex: acuminate Leaf margin: entire Leaf base: rounded Leaf texture (inner side): smooth Leaf texture (outer side): smooth Leaf color (inner side): moderate olive green (137A on RHS Colour Chart) Leaf color (outer side): moderate yellow green (138C on RHS Colour Chart) Leaf venation pattern: parallel venation (three lines) Width: 2.2 cm Shape: broad lanceolate Shape in cross section: folded upwards Shape in longitudinal straight section: Twisting: present Number of conspicuous 3 veins: Anthocyanin coloration: absent Inflorescence Distribution of flowers: clustered Position of flowers: terminal and axillary Plant: Number of terminal flowers 5.1 (average): Typical plant height: about 81.9 cm (cut flower or potted plant) Typical growth habit: erect Plant spread (average): 69.6 cm Sequence of flowering: from top downwards Number of flowers per top: 5.1 inflorescence: others: 2.0 Sequence of flowering: from top downwards Number of flowers at central 2.0 flowering node (average): Number of flowering node: 7.1 Flower bud Shape of bud: oval (about 4 days before flowering) Length of bud (average): 40.96 mm Diameter of bud (average): 13.36 mm Color of bud: dark purple (83A on RHS Colour Chart) Flower Type: double Time of flowering: late October Flower longevity (potted 17 days plant): Flower longevity (cut flower): 8 days Corolla Depth: 42.8 mm Diameter at middle third: 17.8 mm Shape: campanulate Diameter at top: 30.6 mm Curvature of lobes: reflexed Color of inner side of lobes: moderate blue (N95C on RHS Colour Chart) Tube length (average): 26.1 mm Color of upper part of inner light purplish blue (N95D side of tube: on RHS Colour Chart) Color of upper part of outer dark purple (83A on RHS side of tube: Colour Chart) Streaked pattern on outer present side of tube: Color of streaked pattern on purplish-brown outer side of tube: Density of spots on the inner very sparse side of the corolla lobes: Density of spots on the upper sparse part of the inner side of the corolla tube: Density of spots on the absent outer side of the corolla tube: Number of lobes: 6.6 Length of lobes: 7.8 mm Width of lobes: 10.8 mm Shape of lobes: broad triangular Shape of distal end of lobes: acute Presence of secondary lobes: present Average number of secondary 6.6 lobes per flower: Shape of secondary lobe acute apex: Color of secondary lobes strong blue (N95B on RHS Colour Chart) for both surfaces Paracorolla Presence of paracorolla: present Number of paracorolla lobes 6.6 (average): Paracolla apex shape: acute Calyx Anthocyanin coloration: present Length of tube: 12.7 mm Diameter of tube: 6.9 mm Shape of tube: funnel-shaped Shape of lobe: narrow lanceolate Sepal Sepal number: 6 Sepal lobe shape: narrow lanceolate Sepal apex: acute Sepal color (inner side): dark yellowish green (136B on the RHS Colour Chart) Sepal color (outer side): strong yellow green (143C on the RHS Colour Chart) Reproductive Stamens and anther: stamens are mutated into organs petals and there is no anther Time of flowering: late October Pistil number: 1 Pistil length (average): 32.3 mm Anther shape: narrow oval Anther color: light yellow green (145C on RHS Colour Chart)

(12) In the above chart, specific numbers correspond to average values. Other features of the plant are as follows: Disease resistance.—Normal resistance was observed for pests and diseases in Iwate, Japan, using pest control by chemical spraying for gentian. Cold hardiness.—Strong, the variety can withstand winter in Iwate, Japan, including low temperatures of about −10° C. with abundant snow. Heat tolerance.—Normal, the variety can withstand summer in Iwate, Japan, including high temperatures of about 35° C. Flower fragrance.—Absent.