USPP20044P2 - Helianthemum plant named ‘Hartswood’ - Google Patents

Helianthemum plant named ‘Hartswood’ Download PDF

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Publication number
USPP20044P2
USPP20044P2 US12/006,216 US621607V USPP20044P2 US PP20044 P2 USPP20044 P2 US PP20044P2 US 621607 V US621607 V US 621607V US PP20044 P2 USPP20044 P2 US PP20044P2
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helianthemum
color
hartswood
new
plant
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Michael Hart
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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

Definitions

  • Botanical designation Helianthemum hybrida.
  • the present invention relates to a new and distinct cultivar of Helianthemum, botanically known as Helianthemum hybrida and hereinafter referred to by the name ‘Hartswood’.
  • the new Helianthemum is a naturally-occurring whole plant mutation of an unnamed selection of Helianthemum hybrida, not patented.
  • the new Helianthemum was discovered and selected by the Inventor as a single flowering plant within a population of plants of the unnamed Helianthemum selection in a controlled environment in Bewdley, Worcester, United Kingdom during the summer of 1992.
  • the cultivar Hartswood has not been observed under all possible environmental conditions.
  • the phenotype may vary somewhat with variations in environment and cultural practices such as temperature, daylength and light intensity without, however, any variance in genotype.
  • Plants of the new Helianthemum can be compared to plants of the parent selection. Plants of the new Helianthemum differ from plants of the parent selection primarily in flower color as plants of the parent selection have lighter colored flowers.
  • Plants of the new Helianthemum can also be compared to plants of the cultivar Ben Ledi, not patented.
  • plants of the new Helianthemum and the cultivar Ben Ledi differed primarily in flower color as plants of the cultivar Ben Ledi had lighter colored flowers.
  • the photograph at the bottom of the sheet comprises a side perspective view of a typical flowering plant of ‘Hartswood’ grown in a 10 cm. container.
  • the photograph at the top of the sheet is a close-up view of a typical flower of ‘Hartswood’.

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

Abstract

A new and distinct cultivar of Helianthemum plant named ‘Hartswood’, characterized by its upright to arching plant habit; freely flowering habit; and red purple-colored flowers.

Description

Botanical designation: Helianthemum hybrida.
Cultivar denomination: ‘Hartswood’.
BACKGROUND OF THE INVENTION
The present invention relates to a new and distinct cultivar of Helianthemum, botanically known as Helianthemum hybrida and hereinafter referred to by the name ‘Hartswood’.
The new Helianthemum is a naturally-occurring whole plant mutation of an unnamed selection of Helianthemum hybrida, not patented. The new Helianthemum was discovered and selected by the Inventor as a single flowering plant within a population of plants of the unnamed Helianthemum selection in a controlled environment in Bewdley, Worcester, United Kingdom during the summer of 1992.
Asexual reproduction of the new Helianthemum by tip cuttings in a controlled environment in Bewdley, Worcester, United Kingdom since July, 1992, has shown that the unique features of this new Helianthemum are stable and reproduced true to type in successive generations.
SUMMARY OF THE INVENTION
The cultivar Hartswood has not been observed under all possible environmental conditions. The phenotype may vary somewhat with variations in environment and cultural practices such as temperature, daylength 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 ‘Hartswood’. These characteristics in combination distinguish ‘Hartswood’ as a new and distinct cultivar of Helianthemum:
    • 1. Upright to arching plant habit.
    • 2. Freely flowering habit.
    • 3. Red purple-colored flowers.
Plants of the new Helianthemum can be compared to plants of the parent selection. Plants of the new Helianthemum differ from plants of the parent selection primarily in flower color as plants of the parent selection have lighter colored flowers.
Plants of the new Helianthemum can also be compared to plants of the cultivar Ben Ledi, not patented. In side-by-side comparisons conducted in Bewdley, Worcester, United Kingdom, plants of the new Helianthemum and the cultivar Ben Ledi differed primarily in flower color as plants of the cultivar Ben Ledi had lighter colored flowers.
BRIEF DESCRIPTION OF THE PHOTOGRAPHS
The accompanying colored photographs illustrate the overall appearance of the new Helianthemum, showing the colors as true as it is reasonably possible to obtain in colored reproductions of this type. 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 Helianthemum.
The photograph at the bottom of the sheet comprises a side perspective view of a typical flowering plant of ‘Hartswood’ grown in a 10 cm. container.
The photograph at the top of the sheet is a close-up view of a typical flower of ‘Hartswood’.
 DETAILED BOTANICAL DESCRIPTION
The aforementioned photographs and following observations, measurements and values describe plants grown in Lancaster, Pa., under commercial practice during the winter and spring in a polycarbonate-covered greenhouse with day temperatures ranging from 18° C. to 27° C. and night temperatures ranging from 16° C. to 18° C. Plants had been growing for about eight months when the photographs and description were taken. In the following description, color references are made to The Royal Horticultural Society Colour Chart, 1995 Edition, except where general terms of ordinary dictionary significance are used.
  • Botanical classification: Helianthemum hybrida cultivar Hartswood.
  • Parentage: Naturally-occurring whole plant mutation of an unnamed selection of Helianthemum hybrida, not patented.
  • Propagation:
      • Type.—By tip cuttings.
      • Time to initiate roots.—About 15 days at 22° C.
      • Time to produce a rooted young plant, summer.—About 35 days at 22° C.
      • Root description.—Fibrous.
  • Plant description:
      • Plant and growth habit.—Perennial; upright to arching plant habit; loose and open plant canopy. Moderately vigorous growth habit. Freely branching habit with about seven to eight lateral branches developing per plant.
      • Plant height.—About 21 cm.
      • Plant diameter.—About 12.5 cm.
      • Lateral branch description.—Length: About 19 cm. Diameter: About 2 mm. Internode length: About 0.6 cm to 2.3 cm. Texture: Pubescent. Strength: Moderately strong. Color: 148B; becoming more grey than 177A with development.
  • Foliage description:
      • Arrangement.—Opposite, simple.
      • Length.—About 4 cm.
      • Width.—About 9 cm.
      • Shape.—Narrowly elliptic.
      • Apex.—Acute.
      • Base.—Obtuse.
      • Margin.—Entire.
      • Texture, upper and lower surfaces.—Sparsely pubescent.
      • Venation pattern.—Pinnate.
      • Color.—Developing foliage, upper surface: Close to 146A. Developing foliage, lower surface: Close to 146B. Fully expanded foliage, upper surface: Close to 147A; venation, 147B. Fully expanded foliage, lower surface: Close to 147B; venation, 147B.
      • Petiole.—Length: About 3 mm. Diameter: About 1 mm. Texture, upper and lower surfaces: Pubescent. Color, upper and lower surfaces: Close to 146D.
  • Flower description:
      • Flower arrangement and habit.—Single rose-like flowers arranged in terminal and axillary racemes. Freely flowering habit with seven to nine flowers and flower buds per inflorescence. Flowers face outward to drooping. Flowers not fragrant.
      • Natural flowering season.—Plants of the new Helianthemum flower in the mid to late spring in Pennsylvania. Individual flowers last about three days on the plant; flowers persistent.
      • Inflorescence height.—About 10.5 cm.
      • Inflorescence diameter.—About 3.7 cm.
      • Flower diameter.—About 2.8 cm.
      • Flower length (depth).—About 1 cm.
      • Flower bud.—Shape: Ovoid. Length: About 9 mm. Diameter: About 7 mm. Color: Close to 186B.
      • Petals.—Quantity/arrangement: About five arranged in a single whorl, radially symmetrical. Length: About 1.3 cm. Width: About 1.5 cm. Shape: Broadly obovate. Apex: Rounded with shallow indentations. Base: Acute. Margin: Entire; sinuate. Texture, upper and lower surfaces: Glabrous, smooth; crinkled. Color: When opening, upper surface: Close to 61A. When opening, lower surface: Close to 185C. Fully opened, upper surface: Towards the apex, close to 185D; center, close to 61B; towards the base, close to 171B. Color towards the apex becoming closer to 75B with development. Fully opened, lower surface: Close to 185D; color becoming closer to 75B to 75C with development.
      • Sepals.—Quantity/arrangement: About three arranged in a single whorl. Length: About 8 mm. Width: About 5 mm. Shape: Elliptical. Apex: Acute. Base: Truncate. Margin: Entire. Texture, upper surface: Glabrous, smooth. Texture, lower surface: Pubescent. Color, upper surface: 146B. Color, lower surface: 148B.
      • Peduncles.—Length: About 5 cm to 7.5 cm. Diameter: About 1 mm. Aspect: Upright to drooping with the weight of the flowers. Texture: Pubescent. Strength: Moderately strong. Color: 148B.
      • Pedicels.—Length: About 1.4 cm. Diameter: Less than 1 mm. Aspect: About 45° from vertical. Texture: Pubescent. Strength: Moderately strong. Color: 148D.
      • Reproductive organs.—Androecium: Stamen number per flower: About 40. Filament length: About 3 mm. Filament diameter: Less than 1 mm. Filament color: Close to 13A. Anther shape: Round. Anther length: About 1 mm. Anther color: 14A. Amount of pollen: Scarce. Pollen color: 14A. Gynoecium: Pistil number per flower: One. Pistil length: About 7 mm. Stigma shape: Rounded. Stigma color: 154A. Style length: About 3 mm. Style color: Close to 150A. Ovary color: Close to 145B. Seed/fruit: Seed and fruit development have not been observed on plants of the new Helianthemum.
  • Garden performance: Plants of the new Helianthemum have been observed to have good garden performance and to tolerate temperatures from about −5° C. to about 30° C.
  • Pathogen/pest resistance: Plants of the new Helianthemum have not been observed to be resistant to pests and pathogens common to Helianthemum.

Claims (1)

1. A new and distinct Helianthemum plant named ‘Hartswood’ as illustrated and described.
US12/006,216 2007-12-31 2007-12-31 Helianthemum plant named ‘Hartswood’ Active USPP20044P2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US12/006,216 USPP20044P2 (en) 2007-12-31 2007-12-31 Helianthemum plant named ‘Hartswood’

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US12/006,216 USPP20044P2 (en) 2007-12-31 2007-12-31 Helianthemum plant named ‘Hartswood’

Publications (1)

Publication Number Publication Date
USPP20044P2 true USPP20044P2 (en) 2009-06-02

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Family Applications (1)

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US12/006,216 Active USPP20044P2 (en) 2007-12-31 2007-12-31 Helianthemum plant named ‘Hartswood’

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Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
UPOVROM GTITM, Plant Variety Database, European Community PBR 20061999 published Dec. 15, 2006, citation for 'Hartswood'. *

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