<i>Hydrangea </i>plant named ‘Hokomaburlac’

Abstract

A new cultivar of Hydrangea macrophylla plant named ‘Hokomaburlac’ that is characterized by its dark colored leaves, its inflorescences with sterile sepals that are dark red in color, its very sturdy flowers, and its suitability for use as a potted plant and for cut flowers.

Claims

1. A new and distinct cultivar of Hydrangea plant named ‘Hokomaburlac’ substantially as herein illustrated and described.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

(1) The accompanying color photographs illustrates the overall appearance and distinct characteristics of the new Hydrangea. The photographs were taken of a two-year-old plant as grown outdoors in a 2-gallon container in Abbotsford, British Columbia, Canada.

(2) The photograph in FIG. 1 provides a side view of the plant habit of ‘Hokomaburlac’ with inflorescence buds.

(3) The photograph in FIG. 2 provides a close-up view of an inflorescence of ‘Hokomaburlac’.

(4) The photograph in FIG. 3 provides a close-up view of the foliage of ‘Hokomaburlac’.

(5) The colors in the photographs may differ slightly from the color values cited in the detailed botanical description, which accurately describe the colors of the new Hydrangea.

BOTANICAL DESCRIPTION OF THE PLANT

(6) The following is a detailed description of two-year-old plants of ‘Hokomaburlac’ as grown outdoors in 2-gallon containers in Abbotsford, British Columbia, Canada. The phenotype of the new cultivar may vary with variations in environmental, climatic, and cultural conditions, as it has not been tested under all possible environmental conditions. The plants were grown under non-blueing conditions and blueing conditions have not been tested. The color determination is in accordance with The 2015 Colour Chart of The Royal Horticultural Society, London, England, except where general color terms of ordinary dictionary significance are used. General description: Blooming period.—At least 2 months, summer through autumn in The Netherlands. Plant type.—Deciduous shrub, mophead type Hydrangea. Plant habit.—Compact, suitable for container growing, sturdy stems and flowers. Height and spread.—Reaches about 38 cm in height and 31 cm in spread as grown in a 2-gallon container, reaches 1 m in height and width as grown as a 3-year-old plant in the landscape. Hardiness.—At least to U.S.D.A. Zones 5 to 9. Diseases and pests.—No resistance or susceptibility to diseases or pests has been observed. Root description.—Fine and fibrous, NN155B in color. Propagation.—Softwood stem cuttings. Growth rate.—Moderate. Root development.—Time required for root initiation is about 6 weeks, time required to produce a young plant from rooted cutting is about 18 weeks. Stem description: Stem shape.—Rounded. Stem strength.—Very strong. Stem color.—Young and mature; 144A in color, mature bark; color is a blend of 199A and N200A. Stem size.—Main branches; average of 10 cm in length, 6 mm in diameter, lateral branches; average of 6 cm in length and 4 mm in diameter. Stem surface.—Younger and mature stems; glabrous and slightly glossy, lenticellate, lenticles; sparse 7 per cm.sup.2, an average of 0.75 mm in length and 0.3 mm in width, 200C in color, old growth at base; bark-like, mostly smooth and can be slightly exfoliating. Internode length.—Average of 3 cm. Branching.—Average of 6 main branches, average of 3 lateral branches per main branch. Stipules.—Persistent, 2 opposite at base of petioles, stipule bud; is 1.5 mm in length, 0.5 mm in width, 187A in color on both surfaces, oblong in shape, acute apex, matte on both surfaces. Foliage description: Leaf shape.—Elliptical. Leaf arrangement.—Opposite and slightly whorled. Leaf division.—Simple. Leaf base.—Attenuate. Leaf apex.—Apiculate. Leaf margins.—Serrate. Leaf venation.—Pinnate, young upper and lower surface; 145A, mature upper surface; a blend of 160A and N144A, flushed with 178A, mature lower surface a 193A. Leaf size.—Average of 8.5 cm in length and 7 cm in width. Leaf attachment.—Petiolate. Leaf surface.—Upper and lower surface glossy. Leaf color.—Young upper surface; a blend of NN137A and 144A, young lower surface; 138A, mature upper surface; 147A, later becoming flushed with 183A starting at the tip and margins and expanding to most of the leaf, mature lower surface; 143B, mottled with 200A around the margins and outer regions, older and fall leaves upper surface; an irregular blend of 183A, 45A, and 2D, tips 202A, older and fall leaves lower surface; 160C, mottled with 200A around the margins and outer regions. Petioles.—An average of 7 mm in length and 4 mm in diameter, both surfaces slightly glossy, young color; 145A, mature color; 145A, flushed with 178B. Inflorescence description: Inflorescence type.—Terminal panicle, full rounded mophead in form, comprised of single sterile flowers and inconspicuous fertile flowers. Lastingness of inflorescence.—Persistent at least 2 months in color. Inflorescence number.—One per lateral. Inflorescence size.—Average of 5 cm in height, 7 cm in diameter. Flower number.—Average of 25 sterile flowers and 13 fertile flowers per panicle. Flower fragrance.—None. Flower aspect.—Upright to outward. Flower size.—Sterile flowers; an average of 3 cm in diameter, 1 cm in depth, fertile flowers; an average of 9 mm in diameter and 5 mm in depth. Flower type.—Rotate. Flower buds.—Sterile flowers; average of 5 mm in length and diameter, rounded, globular in shape, color; young buds 144A, maturing buds a blend of 145A and 182B, fertile flowers; average of 4 mm in length and 3 mm in diameter, globular in shape, color; young buds 144A, maturing buds 142B. Peduncles.—Moderately strong, average of 1 cm in length and 3 mm in width, color; 144A, with random blotches of 187A, surface is matte, smooth. Pedicels.—Moderately strong, average of 6 mm in length and 2 mm in width, color; young and mature pedicels 144A, occasionally speckled with 187A in color, and moderately covered with very fine woolly hairs that match surface color. Petals.—Sterile flowers; 5, rotate, 3 mm in length, 2 mm in diameter, obovate in shape, acute apex, cuneate base, entire margins, cup-shaped, glabrous and matte surface, colors; when opening and fully open upper surface (inner surface) NN78A, margins and tip NN155D, when opening and fully open lower surface (outer surface) NN78C, margins and tip NN155D, fertile flowers; 5, rotate, 4 mm in length, 3 mm in width, linear in shape, acute apex, cuneate base, entire margins, cup-shaped, glabrous and matte surface, color; young outer surface 144A, young inner surface NN74A, margins 75D, mature inner and outer surface; NN74A, margins 75D. Sepals.—Sterile flowers; showy, 5, deltoid to reniform in shape, moderately to strongly overlapping, rotate in arrangement, entire margins moderately undulate, apex is very slightly retuse to bluntly pointed, cuneate base, average of 1.3 cm in length and 1.7 cm in width, upper and lower surface glabrous and satiny, color: when initially opening upper and lower surface; 143A, when opening upper and lower surface; base 73A, centers 12C with streaks of 143A, margins and tips 73A and outer most edges 61A, when fully open upper surface; a blend of 64A and 64D, when fully open lower surface; 65D, veins 71A, fertile flowers; 6, rotate in arrangement, ovate to broadly ovate in shape, entire margins, acute apex, cuneate base, average of 1.5 mm in length and 2 mm in width, both surfaces are glabrous, color; young and mature upper and lower surface 144B, tips 144A. Reproductive organs: Stamens.—Sterile flowers; average of 10, anther is reniform in shape, 2-parted, 0.5 mm in diameter, young color 1B, mature color 13A, filament is 4 mm in length, 1 mm in width and NN155C in color, pollen is low in quantity and 10D in color, fertile flowers; average of 9, anther is reniform in shape, 2-parted, 1.2 mm in length, 1 mm in width and young color 145B, mature color N144A, filament is 4 mm in length and NN155B in color, pollen is low in quantity and too small amount for color reading. Pistils.—Sterile flowers; average of 2, an average of 2 mm in length, stigma is club-shaped, 1 mm in diameter and 155A in color, style is 158C in color, ovary is 1 mm in diameter, 158A in color and inferior, fertile flowers; average of 3, an average of 2 mm in length, stigma is clavate in shape and 150D in color, style is 150D in color, ovary is 1 mm in diameter, N148A in color and inferior. Fruit and seed.—None observed to date.