USPP22782P2 - Hydrangea plant named ‘Ilvobo’ - Google Patents

Hydrangea plant named ‘Ilvobo’ Download PDF

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Publication number
USPP22782P2
USPP22782P2 US12/928,264 US92826410V USPP22782P2 US PP22782 P2 USPP22782 P2 US PP22782P2 US 92826410 V US92826410 V US 92826410V US PP22782 P2 USPP22782 P2 US PP22782P2
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plants
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hydrangea
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flowers
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Johan Van Huylenbroeck
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Spring Meadow Nursery Inc
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Spring Meadow Nursery Inc
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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01H—NEW PLANTS OR NON-TRANSGENIC PROCESSES FOR OBTAINING THEM; PLANT REPRODUCTION BY TISSUE CULTURE TECHNIQUES
    • A01H5/00—Angiosperms, i.e. flowering plants, characterised by their plant parts; Angiosperms characterised otherwise than by their botanic taxonomy
    • A01H5/02—Flowers
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01H—NEW PLANTS OR NON-TRANSGENIC PROCESSES FOR OBTAINING THEM; PLANT REPRODUCTION BY TISSUE CULTURE TECHNIQUES
    • A01H6/00—Angiosperms, i.e. flowering plants, characterised by their botanic taxonomy
    • A01H6/48—Hydrangeacae, e.g. Hydrangea

Definitions

  • Botanical designation Hydrangea paniculata.
  • the new Hydrangea plant is a product of a planned breeding program conducted by the Inventor in Melle, Belgium.
  • the objective of the breeding program was to develop new compact and early flowering Hydrangea plants with strong stems and attractive flower coloration.
  • the new Hydrangea plant originated from an open-pollination during the summer of 2003 of the Hydrangea paniculata ‘Pink Diamond’, not patented, as the female, or seed parent and an unknown selection of Hydrangea paniculata as the male, or pollen, parent.
  • the new Hydrangea plant was discovered and selected by the Inventor during the summer of 2005 as a single flowering plant from within the progeny of the stated open-pollination in a controlled environment in Melle, Belgium.
  • Plants of the new Hydrangea have not been observed under all possible environmental conditions.
  • the phenotype may vary somewhat with variations in environmental conditions such as temperature and light intensity without, however, any variance in genotype.
  • Plants of the new Hydrangea differ from plants of the female parent, ‘Pink Diamond’, in the following characteristics:
  • Plants of the new Hydrangea can be compared to plants of Hydrangea paniculata ‘DVP Pinky’, disclosed in U.S. Plant Pat. No. 16,166.
  • plants of the new Hydrangea differed from plants of ‘DVP Pinky’ in the following characteristics:
  • Plants of the new Hydrangea can also be compared to plants of Hydrangea paniculata ‘Jane’, disclosed in U.S. Plant Pat. No. 22,330. In side-by-side comparisons conducted in Grand Haven, Mich., plants of the new Hydrangea differed from plants of ‘Jane’ in the following characteristics:
  • the photograph on the first sheet comprises a side perspective view of a typical flowering plant of ‘Ilvobo’ grown in a container.
  • the photograph on the third sheet is a close-up view of a typical inflorescence after the sterile flowers have become red purple in color.

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  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Physiology (AREA)
  • Botany (AREA)
  • Developmental Biology & Embryology (AREA)
  • Environmental Sciences (AREA)
  • Natural Medicines & Medicinal Plants (AREA)
  • Breeding Of Plants And Reproduction By Means Of Culturing (AREA)

Abstract

A new and distinct cultivar of Hydrangea plant named ‘Ilvobo’, characterized by its compact, upright and mounded plant habit; freely branching habit; early and freely flowering habit; strong and sturdy stems that hold inflorescences upright; and large conical inflorescences with numerous white-colored sterile flowers that with development become red purple in color.

Description

Botanical designation: Hydrangea paniculata.
Cultivar denomination: ‘ILVOBO’.
BACKGROUND OF THE INVENTION
The present invention relates to a new and distinct cultivar of Hydrangea plant, botanically known as Hydrangea paniculata and hereinafter referred to by the name ‘Ilvobo’.
The new Hydrangea plant is a product of a planned breeding program conducted by the Inventor in Melle, Belgium. The objective of the breeding program was to develop new compact and early flowering Hydrangea plants with strong stems and attractive flower coloration.
The new Hydrangea plant originated from an open-pollination during the summer of 2003 of the Hydrangea paniculata ‘Pink Diamond’, not patented, as the female, or seed parent and an unknown selection of Hydrangea paniculata as the male, or pollen, parent. The new Hydrangea plant was discovered and selected by the Inventor during the summer of 2005 as a single flowering plant from within the progeny of the stated open-pollination in a controlled environment in Melle, Belgium.
Asexual reproduction of the new cultivar by softwood cuttings in a controlled environment in Melle, Belgium since July, 2005 has shown that the unique features of this new Hydrangea plant are stable and reproduced true to type in successive generations of asexual reproduction.
SUMMARY OF THE INVENTION
Plants of the new Hydrangea have not been observed under all possible environmental conditions. The phenotype may vary somewhat with variations in environmental conditions such as temperature and light intensity without, however, any variance in genotype.
The following traits have been repeatedly observed and are determined to be the unique characteristics of ‘Ilvobo’. These characteristics in combination distinguish ‘Ilvobo’ as a new and distinct Hydrangea plant:
    • 1. Compact, upright and mounded plant habit.
    • 2. Freely branching habit.
    • 3. Early and freely flowering habit.
    • 4. Strong and sturdy stems that hold inflorescences upright.
    • 5. Large conical inflorescences with numerous white-colored sterile flowers that with development become red purple in color.
Plants of the new Hydrangea differ from plants of the female parent, ‘Pink Diamond’, in the following characteristics:
    • 1. Plants of the new Hydrangea are more compact than plants of ‘Pink Diamond’.
    • 2. Plants of the new Hydrangea have smaller sterile flowers than plants of ‘Pink Diamond’.
Plants of the new Hydrangea can be compared to plants of Hydrangea paniculata ‘DVP Pinky’, disclosed in U.S. Plant Pat. No. 16,166. In side-by-side comparisons conducted in Grand Haven, Mich., plants of the new Hydrangea differed from plants of ‘DVP Pinky’ in the following characteristics:
    • 1. Plants of the new Hydrangea were more compact than plants of ‘DVP Pinky’.
    • 2. Inflorescences of plants of the new Hydrangea did not have conspicuous fertile flowers whereas inflorescences of plants of ‘DVP Pinky’ had conspicuous fertile flowers.
    • 3. Plants of the new Hydrangea had smaller sterile flowers than plants of ‘DVP Pinky’.
Plants of the new Hydrangea can also be compared to plants of Hydrangea paniculata ‘Jane’, disclosed in U.S. Plant Pat. No. 22,330. In side-by-side comparisons conducted in Grand Haven, Mich., plants of the new Hydrangea differed from plants of ‘Jane’ in the following characteristics:
    • 1. Plants of the new Hydrangea were more upright than and not as rounded as plants of ‘Jane’.
    • 2. Plants of the new Hydrangea and ‘Jane’ differ in sterile flower color as plants of ‘Jane’ have light green-colored sterile flowers that with development become greyed purple in color.
BRIEF DESCRIPTION OF THE PHOTOGRAPHS
The accompanying colored photographs illustrate the unique appearance of the new Hydrangea plant showing the colors as true as it is reasonably possible to obtain in colored reproductions of this type. Colors in the photographs may differ from the color values cited in the detailed botanical description which accurately describe the colors of the new Hydrangea plant.
The photograph on the first sheet comprises a side perspective view of a typical flowering plant of ‘Ilvobo’ grown in a container.
The photograph on the second sheet is a close-up view of typical inflorescences of ‘Ilvobo’ as the sterile flowers begin to change color.
The photograph on the third sheet is a close-up view of a typical inflorescence after the sterile flowers have become red purple in color.
 DETAILED BOTANICAL DESCRIPTION
Plants used for the aforementioned photographs and the following description were grown during the summer and autumn in an outdoor nursery in Grand Haven, Mich. and under conditions which closely approximate commercial Hydrangea production conditions. Plants of the new Hydrangea were three years old when the photographs and description were taken. In the following description, color references are made to The Royal Horticultural Society Colour Chart, 2001 Edition, except where general terms of ordinary dictionary significance are used.
  • Botanical description: Hydrangea paniculata ‘Ilvobo’.
  • Parentage:
      • Female, or seed, parent.—Hydrangea paniculata ‘Pink Diamond’, not patented.
      • Male, or pollen, parent.—Unknown selection of Hydrangea paniculata, not patented.
  • Propagation:
      • Type cutting.—By softwood cuttings.
      • Time to initiate roots, summer.—About 20 days at temperatures of about 20° C.
      • Time to produce a rooted young plant, summer.—About two months at temperatures of about 20° C.
      • Root description.—Fine and thick; creamy white in color.
      • Rooting habit.—Freely branching; dense.
  • Plant description:
      • Plant form and growth habit.—Perennial deciduous shrub; compact, upright and mounded plant habit; broad inverted triangle; strong and sturdy lateral branches; freely branching habit with about 35 lateral branches developing per plant; vigorous growth habit.
      • Plant height.—About 60 cm.
      • Plant diameter or area of spread.—About 50 cm.
      • Lateral branches.—Length: About 40 cm. Diameter: About 6 mm. Internode length: About 5.5 cm. Texture: Smooth, glabrous. Strength: Strong, sturdy. Color, developing: Close to 166A. Color, developed: Close to 197A.
  • Foliage description:
      • Arrangement.—Opposite, simple.
      • Length.—About 8 cm.
      • Width.—About 3.5 cm.
      • Shape.—Ovate to elliptic.
      • Apex.—Acute.
      • Base.—Obtuse.
      • Margin.—Serrate.
      • Texture, upper and lower surfaces.—Rugose, glabrous.
      • Venation pattern.—Pinnate.
      • Color.—Developing leaves, upper surface: Close to 137A. Developing leaves, lower surface: Close to 137D. Fully expanded leaves, upper surface: Close to 137A; venation, close to 145A. Fully expanded leaves, lower surface: Close to 137C; venation, close to 145C.
      • Petioles.—Length: About 1 cm. Diameter: About 2 mm. Texture, upper and lower surfaces: Smooth, glabrous. Color, upper surface: Close to 166A. Color, lower surface: Close to 145C.
  • Flower description:
      • Flower type and habit.—Single sterile and fertile flowers arranged on large terminal conical panicles; flowers face upright to outwardly.
      • Fragrance.—None detected.
      • Natural flowering season.—Continuous flowering from July until September in Grand Haven, Mich.
      • Flower longevity, fertile flowers.—Flowers last about four weeks on the plant; flowers not persistent.
      • Flower longevity, sterile flowers.—Flowers last about four months on the plant; flowers persistent.
      • Quantity of flowers.—Freely flowering habit with about 1,112 fertile flowers and about 856 sterile flowers per inflorescence.
      • Inflorescence height.—About 27 cm.
      • Inflorescence diameter.—About 16 cm.
      • Flower diameter, fertile flowers.—About 5 mm.
      • Flower depth (height), fertile flowers.—About 5 mm.
      • Flower diameter, sterile flowers.—About 2 cm.
      • Flower depth (height), sterile flowers.—About 1.5 cm.
      • Flower buds, fertile and sterile flowers.—Length: About 3 mm. Diameter: About 2 mm. Shape: Ovoid. Color: Close to 155C.
      • Petals, fertile flowers only.—Arrangement: Five in a single whorl. Length: About 2 mm. Width: About 1 mm. Shape: Narrowly elliptic to ovate. Apex: Acute. Base: Attenuate. Margin: Entire. Texture, upper and lower surfaces: Smooth, glabrous. Color: When opening, upper and lower surfaces: Close to 155C. Fully opened, upper and lower surfaces: Close to 155C.
      • Sepals, fertile flowers.—Quantity per flower: Five in a single whorl. Length: About 0.5 mm. Width: About 0.5 mm. Shape: Ovate. Apex: Acute. Base: Fused. Margin: Entire. Texture, upper and lower surfaces: Smooth, glabrous. Color, upper and lower surfaces: Close to 145C.
      • Sepals, sterile flowers.—Quantity per flower: About four in a single whorl. Length: About 1 cm. Width: About 6 mm. Shape: Broadly elliptic. Apex: Obtuse. Base: Obtuse. Margin: Entire. Texture, upper and lower surfaces: Smooth, glabrous. Color: When opening and fully opened, upper surface: Close to 155C; color becoming closer to 64A with development. When opening and fully opened, lower surface: Close to 155C; color becoming closer to 64A with development.
      • Pedicels, fertile flowers.—Angle: Erect to about 10° from vertical. Strength: Strong. Length: About 4 mm. Diameter: About 1 mm. Texture: Smooth, glabrous. Color: Close to 155C.
      • Pedicels, sterile flowers.—Angle: Erect to about 90° from vertical. Strength: Strong. Length: About 1.5 cm. Diameter: About 1.5 mm. Texture: Smooth, glabrous. Color: Close to 155C.
      • Reproductive organs, fertile flowers only.—Stamens: Quantity per flower: About five. Anther shape: Rounded. Anther length: About 0.5 mm. Anther color: Close to 155C. Pollen amount: Scarce. Pollen color: Close to 155C. Pistils: Pistil quantity per flower: Three. Pistil length: About 0.5 mm. Stigma shape: Elliptic. Stigma color: Close to 155C. Style length: About 0.3 mm. Style color: Close to 155C. Ovary color: Close to 155A.
      • Seeds.—Quantity per inflorescence: Numerous. Size: Less than 0.1 mm by less than 0.1 mm. Color: Brown.
  • Disease/pest resistance: Plants of the new Hydrangea have not been observed to be resistant to pathogens or pests common to Hydrangea.
  • Temperature tolerance: Plants of the new Hydrangea have been shown to be tolerant to temperatures ranging from about −30° C. to about 38° C.

Claims (1)

1. A new and distinct Hydrangea plant named ‘Ilvobo’ as illustrated and described.
US12/928,264 2010-12-07 2010-12-07 Hydrangea plant named ‘Ilvobo’ Active USPP22782P2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US12/928,264 USPP22782P2 (en) 2010-12-07 2010-12-07 Hydrangea plant named ‘Ilvobo’

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Application Number Priority Date Filing Date Title
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Owner name: SPRING MEADOW NURSERY, INC., MICHIGAN

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:VAN HUYLENBROECK, JOHAN;REEL/FRAME:025485/0960

Effective date: 20100915