USPP32514P2 - Hydrangea plant named ‘SMNHMP’ - Google Patents

Hydrangea plant named ‘SMNHMP’ Download PDF

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USPP32514P2
USPP32514P2 US16/602,615 US201916602615V USPP32514P2 US PP32514 P2 USPP32514 P2 US PP32514P2 US 201916602615 V US201916602615 V US 201916602615V US PP32514 P2 USPP32514 P2 US PP32514P2
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rhs
color
smnhmp
plants
purple
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Timothy D Wood
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Spring Meadow Nursery Inc
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Spring Meadow Nursery Inc
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01HNEW PLANTS OR NON-TRANSGENIC PROCESSES FOR OBTAINING THEM; PLANT REPRODUCTION BY TISSUE CULTURE TECHNIQUES
    • A01H6/00Angiosperms, i.e. flowering plants, characterised by their botanic taxonomy
    • A01H6/48Hydrangeacae, e.g. Hydrangea
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01HNEW PLANTS OR NON-TRANSGENIC PROCESSES FOR OBTAINING THEM; PLANT REPRODUCTION BY TISSUE CULTURE TECHNIQUES
    • A01H1/00Processes for modifying genotypes ; Plants characterised by associated natural traits
    • A01H1/10Processes for modifying non-agronomic quality output traits, e.g. for industrial processing; Value added, non-agronomic traits
    • A01H1/101Processes for modifying non-agronomic quality output traits, e.g. for industrial processing; Value added, non-agronomic traits involving biosynthetic or metabolic pathways, i.e. metabolic engineering, e.g. nicotine or caffeine
    • A01H1/107Processes for modifying non-agronomic quality output traits, e.g. for industrial processing; Value added, non-agronomic traits involving biosynthetic or metabolic pathways, i.e. metabolic engineering, e.g. nicotine or caffeine involving pigment biosynthesis
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01HNEW PLANTS OR NON-TRANSGENIC PROCESSES FOR OBTAINING THEM; PLANT REPRODUCTION BY TISSUE CULTURE TECHNIQUES
    • A01H1/00Processes for modifying genotypes ; Plants characterised by associated natural traits
    • A01H1/12Processes for modifying agronomic input traits, e.g. crop yield
    • A01H1/121Plant growth habits
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01HNEW PLANTS OR NON-TRANSGENIC PROCESSES FOR OBTAINING THEM; PLANT REPRODUCTION BY TISSUE CULTURE TECHNIQUES
    • A01H1/00Processes for modifying genotypes ; Plants characterised by associated natural traits
    • A01H1/12Processes for modifying agronomic input traits, e.g. crop yield
    • A01H1/121Plant growth habits
    • A01H1/1215Flower development or morphology, e.g. flowering promoting factor [FPF]
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01HNEW PLANTS OR NON-TRANSGENIC PROCESSES FOR OBTAINING THEM; PLANT REPRODUCTION BY TISSUE CULTURE TECHNIQUES
    • A01H5/00Angiosperms, i.e. flowering plants, characterised by their plant parts; Angiosperms characterised otherwise than by their botanic taxonomy
    • A01H5/02Flowers

Abstract

A new and distinct cultivar of Hydrangea plant named ‘SMNHMP’ is disclosed, characterized by floriferous plants with strong stems producing extra-large inflorescences. Plants rebloom and are hardy in USDA Zones 5 through 9. Plants respond to commercial bluing treatment, inflorescences can be bright pink or purple-violet, depending upon culture. The new variety is a Hydrangea, normally produced as an ornamental plant.

Description

Latin name of the genus and species: Hydrangea macrophylla.
Variety denomination: ‘SMNHMP’.
BACKGROUND OF THE INVENTION
The new Hydrangea cultivar is a product of a planned breeding program conducted by the inventor, at a commercial nursery in Grand Haven, Mich. The objective of the breeding program was to produce new Hydrangea varieties that are more floriferous, with new colors, and stronger stems. The cross resulting in this new variety was made during 2011.
The seed parent is the unpatented variety Hydrangea macrophylla ‘Cityline Lisbon’. The pollen parent is the unpatented variety Hydrangea macrophylla ‘Wyatt LeFever’. The new variety was identified as a potentially interesting selection in 2014, at a commercial greenhouse in Grand Haven, Mich. Date of first sale was Jun. 25, 2019, occurring in the United States. This sale was made directly by the inventor or one who obtained the claimed invention directly or indirectly from the inventor. This sale and all public disclosures made between Jun. 25, 2019 and the filing of this application fall within the exception allowed under 102(b)(1).
Asexual reproduction of the new cultivar ‘SMNHMP’ by vegetative softwood cuttings was first performed during 2014, at a commercial greenhouse in Grand Haven, Mich. Subsequent asexual propagation has shown that the unique features of this cultivar are stable and reproduced true to type in 5 successive generations.
SUMMARY OF THE INVENTION
The cultivar ‘SMNHMP’ has not been observed under all possible environmental conditions. The phenotype may vary somewhat with variations in environment such as temperature, day length, 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 ‘SMNHMP’ These characteristics in combination distinguish ‘SMNHMP’ as a new and distinct Hydrangea cultivar:
    • 1. Very floriferous.
    • 2. Strong stems.
    • 3. Extra-large inflorescences, which can be bright pink or purple-violet.
    • 4. Reblooming.
    • 5. Hardy in USDA Zones 5-9.
PARENT COMPARISON
Plants of the new cultivar ‘SMNHMP’ are similar to plants of the seed parent in most horticultural characteristics, however, plants of the new cultivar ‘SMNHMP’ differ in the following;
    • 1. The new variety has a darker, more intense flower color than the seed parent.
Plants of the new cultivar ‘SMNHMP’ are similar to plants of the pollen parent in most horticultural characteristics, however, plants of the new cultivar ‘SMNHMP’ differ in the following;
    • 1. The new variety has a darker, more intense flower color than the pollen parent.
    • 2. The new variety has larger leaves than the pollen parent.
    • 3. The new variety has darker green foliage than the pollen parent.
COMMERCIAL COMPARISON
Plants of the new cultivar ‘SMNHMP’ can be compared to the variety Hydrangea macrophylla ‘SMNHMSIGMA’, U.S. Plant Pat. No. 26,929. These varieties are similar in most horticultural characteristics; however ‘SMNHMP’ differs in the following:
    • 1. The new variety has a tighter flower head than this comparator.
    • 2. Acidic flowers of the new variety are more purple; acidic flowers of this comparator are more blue.
BRIEF DESCRIPTION OF THE PHOTOGRAPHS
‘SMNHMP’ is illustrated by the accompanying photographs which show the plant's form, foliage, and inflorescences. The colors shown are as true as can be reasonably obtained by conventional photographic procedures. 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 hybrid Hydrangea. Age of the plants photographed is between 2 to 3 years.
FIG. 1 shows plants of ‘SMNHMP’ grown in a greenhouse in Grand Haven, Mich. in 2019. The plant on the left of the photo has been treated with a typical acidic “bluing” (aluminum sulfate) treatment. The plant to the right has not been given the bluing treatment. Plant form is illustrated as well.
FIG. 2 shows the mature flower color of a container-grown plant, treated with “bluing” treatment, grown in a greenhouse in Grand Haven, Mich. in 2019.
FIG. 3 shows the mature flower color of a container-grown plant, treated without “bluing” treatment, grown in a greenhouse in Grand Haven, Mich. in 2019.
DETAILED BOTANICAL DESCRIPTION
In the following description, color references are made to The Royal Horticultural Society Color Chart 2015 except where general terms of ordinary dictionary significance are used. The following observations and measurements describe ‘SMNHMP’ plants grown in a commercial poly greenhouse in Grand Haven, Mich. under natural lighting. Measurements were taken during Summer of 2019. The plants were about 4 years old planted in the ground. The growing temperature ranged from 5° C. to 27° C. Measurements and numerical values represent averages of typical plant types.
  • Botanical classification: Hydrangea macrophylla ‘SMNHMP’.
PROPAGATION
  • Time to initiate roots: Approximately 18 days.
  • Time to produce a rooted young plants: Approximately 60 days.
  • Propagation method: Softwood cuttings.
PLANT
  • Plant type: Flowering deciduous perennial shrub.
  • Age of plant described: Approximately 2 to 3 years old.
  • Growth habit: Upward and a little outward.
  • Overall plant shape: Rounded.
  • Height: 41 cm.
  • Plant spread: 66 cm.
  • Growth rate: Good.
  • Plant vigor: Good.
  • Branching habit: Basal, some pinching required.
  • Length of primary lateral branches: 38 cm.
  • Diameter of lateral branches: 6 mm.
  • Quantity of lateral branches: 15 to 20.
  • Stem:
      • Stem shape.—Round.
      • Stem strength.—Strong.
      • Color.—Immature: RHS Green 143B. Mature: RHS Green 143B.
      • Pubescence.—None.
      • Aspect.—15 to 45°.
  • Internode length: 5 cm.
  • Lenticels:
      • Color.—RHS Greyed-Orange 165A.
  • Root description: Moderately dense, thick main roots with fine, fibrous secondary roots. Main roots colored near Brown 200D, secondary roots near Yellow-White 158D.
FOLIAGE
  • Leaf:
      • Arrangement.—Opposite.
      • Leaf shape.—Ovate.
      • Average length.—9.5 cm.
      • Average width.—6.5 cm.
      • Apex.—Cuspidate.
      • Base.—Cuneate.
      • Margin.—Serrate.
      • Texture of top surface.—Leathery.
      • Texture of bottom surface.—Leathery, ribbed.
      • Leaf pubescence.—None.
      • Color.—Young foliage upper side: Near RHS Green 137A. Young foliage under side: RHS Green 138B. Mature foliage upper side: RHS Green 139A. Mature foliage under side: RHS Green 139C.
      • Venation.—Pattern: Pinnate. Color upper side: RHS Green 139C. Color under side: RHS Yellow-Green 143D.
      • Petiole.—Average Length: 1.2 cm. Diameter: 5 mm. Petiole color upper side: RHS Green 139C. Petiole color lower side: RHS Green 143D. Petiole Texture upper side: Smooth, slightly pubescent. Petiole Texture lower side: Slightly pubescent.
FLOWER
  • Natural flowering season: Summer.
  • Inflorescence:
      • Type.—Mophead.
      • Quantity of flowers per inflorescence.—Fertile flowers: About 25. Sterile flowers: 50 to 150.
      • Persistent or self-cleaning.—Self-cleaning, after several weeks.
      • Longevity.—Individual flowers stay fresh on the plant for about 2 weeks. Inflorescences are ornamental for several weeks.
      • Fragrance.—None detected.
  • Panicle:
      • Shape.—Dome.
      • Height.—8 cm.
      • Diameter.—17 cm.
  • Sterile flower:
      • Bud shape.—Obovate.
      • Bud length.—3 mm.
      • Bud diameter.—3 mm.
      • Bud color.—RHS Yellow-Green 145D.
      • Flower aspect.—Upright and outward.
      • Flower shape.—Round.
      • Flower length.—3.5 cm.
      • Flower diameter.—3.5 cm.
      • Persistence.—Self-cleaning.
  • Sterile flower petals:
      • Petal arrangement.—Whorl.
      • Quantity.—4.
      • Length of petal.—4 mm.
      • Width of petal.—3 mm.
      • Apex.—Acute.
      • Shape of petal.—Ovate.
      • Petal margin.—Entire.
      • Petal base.—Truncate.
      • Petal texture.—Smooth, upper and under side.
      • Color.—Upper surface at first opening: Acidic: RHS Blue 106B. Basic: RHS Purple 75C. Under surface at first opening: Acidic: RHS Blue 106B. Basic: RHS Purple 75C. Upper surface at maturity: Acidic: RHS Blue 106B. Basic: RHS Purple 75C. Under surface at maturity: Acidic: RHS Blue 106B. Basic: RHS Purple 75C.
  • Sterile flower sepal:
      • Arrangement.—Whorl.
      • Number.—4.
      • Shape.—Obovate.
      • Tip.—Obtuse.
      • Base.—Cuneate.
      • Margin.—Entire.
      • Length.—2 cm.
      • Width.—2 cm.
      • Texture, upper.—Smooth.
      • Texture, lower.—Smooth.
      • Color.—Upper surface at first opening: RHS Yellow-Green 149C. Under surface at first opening: RHS Yellow-Green 149C. Upper surface at maturity: Acidic: RHS Purple-Violet N80B. Basic: RHS Red-Purple 67B. Under surface at maturity: Acidic: RHS Purple-Violet N80C. Basic: RHS Red-Purple 67B, lightly streaked 67D.
  • Sterile flower pedicel:
      • Length.—1.5 cm.
      • Diameter.—2 mm.
      • Angle.—45°.
      • Strength.—Good.
      • Texture.—Smooth, pubescent.
      • Color.—Acidic: RHS Violet-Blue 96C. Basic: RHS Red-Purple 73A.
  • Fertile flower:
      • Bud shape.—Obovate.
      • Bud length.—4 mm.
      • Bud diameter.—34 mm.
      • Bud color.—Acid treatment: Near RHS Violet-Blue 98C. Basic treatment: near RHS Red-Purple 73C.
      • Texture.—Glabrous.
  • Flower:
      • Shape.—Star-shaped.
      • Length.—1.3 cm.
      • Depth.—4 mm.
      • Diameter.—1.3 cm.
      • Flower aspect.—Upright, outward.
      • Persistence.—Self-cleaning.
      • Longevity.—1 to 2 weeks.
  • Fertile flower petals:
      • Arrangement.—Whorl.
      • Quantity.—5.
      • Length of petal.—5 mm.
      • Width of petal.—2 mm.
      • Apex.—Acute.
      • Shape of petal.—Ovate.
      • Petal margin.—Entire.
      • Petal base.—Cuneate.
      • Petal texture.—Smooth, upper and under side.
      • Color.—Upper surface at first opening: RHS Yellow-Green 145B. Under surface at first opening: RHS Yellow-Green 145B. Upper surface at maturity: Acidic: RHS Violet-Blue 91B. Basic: RHS Red-Purple 63C. Under surface at maturity: Acidic: RHS Violet-Blue 91B. Basic: RHS Red-Purple 63C.
  • Fertile flower sepal: None.
  • Fertile flower pedicel:
      • Angle.—45°.
      • Strength.—Good.
      • Length.—5 mm.
      • Width.—1 mm.
      • Texture.—Smooth.
      • Color.—Acidic: RHS Violet-Blue 96C. Basic: RHS Red-Purple 73A.
REPRODUCTIVE ORGANS
  • Sterile flowers:
  • Stamens:
      • Number.—7.
      • Filament length.—1 mm.
      • Filament color.—RHS Red-Purple 73D.
  • Anthers:
      • Shape.—Round.
      • Length.—5 mm.
      • Color.—RHS White 155B.
      • Pollen.—Amount: Scant to moderate. Color: RHS White 155B.
  • Pistil:
      • Number.—2.
      • Length.—0.5 mm.
      • Stigma.—Shape: Lobed. Color: RHS Red-Purple 73D.
      • Style.—Length: 0.5 mm. Color: RHS Red-Purple 73D.
  • Fertile flowers:
  • Stamens:
      • Number.—10.
      • Filament length.—2 mm.
      • Filament color.—RHS White 155B.
  • Anthers:
      • Shape.—Round.
      • Length.—1 mm.
      • Color.—RHS White 155B.
      • Pollen color.—RHS White 155B.
      • Pollen amount.—Scant to moderate.
  • Pistil:
      • Number.—3.
      • Length.—1 mm.
      • Style.—Length: 0.5 mm. Color: RHS White NN155B. Ovary color: RHS White NN155B.
      • Stigma.—Shape: Lobed. Color: RHS White NN155B.
OTHER CHARACTERISTICS
  • Seeds and fruits: None observed.
  • Disease/pest resistance: Neither resistance nor susceptibility to normal diseases and pests of Hydrangea have been observed.
  • Temperature tolerance: USDA Zones 4 to 9.

Claims (1)

What is claimed is:
1. A new and distinct cultivar of Hydrangea plant named ‘SMNHMP’ as herein illustrated and described.
US16/602,615 2019-11-07 2019-11-07 Hydrangea plant named ‘SMNHMP’ Active USPP32514P2 (en)

Priority Applications (1)

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Applications Claiming Priority (1)

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