USPP36161P2 - Helleborus plant named ‘ET EPB 855’ - Google Patents
Helleborus plant named ‘ET EPB 855’ Download PDFInfo
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- USPP36161P2 USPP36161P2 US18/421,802 US202418421802V USPP36161P2 US PP36161 P2 USPP36161 P2 US PP36161P2 US 202418421802 V US202418421802 V US 202418421802V US PP36161 P2 USPP36161 P2 US PP36161P2
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- 241000206389 Helleborus Species 0.000 title claims abstract description 46
- 241000196324 Embryophyta Species 0.000 abstract description 59
- 230000017260 vegetative to reproductive phase transition of meristem Effects 0.000 abstract description 8
- 241000693817 Helleborus orientalis Species 0.000 description 5
- 230000018109 developmental process Effects 0.000 description 4
- 239000002932 luster Substances 0.000 description 4
- 241000006479 Cyme Species 0.000 description 3
- 241000218922 Magnoliophyta Species 0.000 description 3
- 239000003086 colorant Substances 0.000 description 3
- 241000425225 Helleborus x hybridus Species 0.000 description 2
- 240000001140 Mimosa pudica Species 0.000 description 2
- 241000607479 Yersinia pestis Species 0.000 description 2
- 230000001488 breeding effect Effects 0.000 description 2
- 230000010154 cross-pollination Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 244000052769 pathogen Species 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 230000011681 asexual reproduction Effects 0.000 description 1
- 238000013465 asexual reproduction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000003205 fragrance Substances 0.000 description 1
- 230000005078 fruit development Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 210000001672 ovary Anatomy 0.000 description 1
- 229940023569 palmate Drugs 0.000 description 1
- 230000001717 pathogenic effect Effects 0.000 description 1
- 230000002085 persistent effect Effects 0.000 description 1
- 230000033458 reproduction Effects 0.000 description 1
- 230000001850 reproductive effect Effects 0.000 description 1
- 230000008117 seed development Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- 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
- A01H6/72—Ranunculaceae, e.g. Clematis
Definitions
- Botanical designation Helleborus orientalis X Helleborus ericsmithii.
- the present invention relates to a new and distinct cultivar of Helleborus plant, botanically known as Helleborus orientalis X Helleborus ericsmithii and hereinafter referred to by the name ‘ET EPB 855’.
- the new Helleborus plant is a product of a planned breeding program conducted by the Inventors in Boijl, The Netherlands.
- the objective of the breeding program was to create new freely-flowering Helleborus plants with strong peduncles that hold attractive flowers above the foliar plane.
- the new Helleborus plant originated from a cross-pollination conducted by the Inventors in Boijl, The Netherlands on Feb. 8, 2017 of a proprietary selection of Helleborus orientalis identified as code number O15-315, not patented, as the female, or seed, parent with a proprietary selection of Helleborus ericsmithii identified as code number P14-1603, not patented, as the male, or pollen, parent.
- the new Helleborus plant was discovered and selected by the Inventors as a single flowering plant from within the progeny of the stated cross-pollination grown in a controlled greenhouse environment in Boijl, The Netherlands on Feb. 1, 2018.
- Plants of the new Helleborus have not been observed under all possible combinations of environmental conditions and cultural practices.
- the phenotype of the new Helleborus plant may vary somewhat with variations in environmental conditions such as temperature and light intensity without, however, any variance in genotype of the new Helleborus plant.
- Plants of the new Helleborus can be compared to plants of Helleborus x hybridus ‘EPB 29’, disclosed in U.S. Plant Pat. No. 28,010. In side-by-side comparisons, plants of the new Helleborus differ from plants of ‘EPB 29’ in the following characteristics:
- Plants of the new Helleborus can also be compared to plants of Helleborus x hybridus ‘EPB 25’, disclosed in U.S. Plant Pat. No. 28,080. In side-by-side comparisons, plants of the new Helleborus differ from plants of ‘EPB 25’ in the following characteristics:
- the accompanying colored photographs illustrate the overall appearance of the new Helleborus 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 slightly from the color values cited in the detailed botanical description which accurately describe the colors of the new Helleborus plant.
- the photograph on the first sheet ( FIG. 1 ) is a side perspective view of a typical flowering plant of ‘ET EPB 855’ grown in a container.
- the photograph on the second sheet ( FIG. 2 ) is a close-up view of a typical flowering plant of ‘ET EPB 855’.
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Natural Medicines & Medicinal Plants (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 Helleborus plant named ‘ET EPB 855’, characterized by its relatively compact and upright plant habit; moderately vigorous to vigorous growth habit; dark green-colored leaves with lighter green-colored marbling; continuous and freely flowering habit; relatively large yellowish green-colored flowers with deep purplish red-colored margins and venation that are held above the foliar plane on relatively long peduncles; and good garden performance.
Description
Botanical designation: Helleborus orientalis X Helleborus ericsmithii.
Cultivar denomination: ‘ET EPB 855’.
The Inventors and Applicant/Assignee assert that no sales, offers for sale or public distribution of the instant plant occurred more than one year prior to the effective filing date of this application.
Any information about the claimed plant would have been obtained from a direct or indirect disclosure from the Inventors and/or Applicant/Assignee. Inventors and Applicant/Assignee claim a prior art exception under 35 U.S.C. 102(b)(1) for disclosures and/or sales prior to the filing date but less than one year prior to the effective filing date.
The present invention relates to a new and distinct cultivar of Helleborus plant, botanically known as Helleborus orientalis X Helleborus ericsmithii and hereinafter referred to by the name ‘ET EPB 855’.
The new Helleborus plant is a product of a planned breeding program conducted by the Inventors in Boijl, The Netherlands. The objective of the breeding program was to create new freely-flowering Helleborus plants with strong peduncles that hold attractive flowers above the foliar plane.
The new Helleborus plant originated from a cross-pollination conducted by the Inventors in Boijl, The Netherlands on Feb. 8, 2017 of a proprietary selection of Helleborus orientalis identified as code number O15-315, not patented, as the female, or seed, parent with a proprietary selection of Helleborus ericsmithii identified as code number P14-1603, not patented, as the male, or pollen, parent. The new Helleborus plant was discovered and selected by the Inventors as a single flowering plant from within the progeny of the stated cross-pollination grown in a controlled greenhouse environment in Boijl, The Netherlands on Feb. 1, 2018.
Asexual reproduction of the new Helleborus plant by meristem culture in a controlled greenhouse environment in Boijl, The Netherlands since May 3, 2018, has shown that the unique features of this new Helleborus plant are stable and reproduced true to type in successive generations.
Plants of the new Helleborus have not been observed under all possible combinations of environmental conditions and cultural practices. The phenotype of the new Helleborus plant may vary somewhat with variations in environmental conditions such as temperature and light intensity without, however, any variance in genotype of the new Helleborus plant.
The following traits have been repeatedly observed and are determined to be the unique characteristics of ‘ET EPB 855’. These characteristics in combination distinguish ‘ET EPB 855’ as a new and distinct Helleborus plant:
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- 1. Relatively compact and upright plant habit.
- 2. Moderately vigorous to vigorous growth habit.
- 3. Dark green-colored leaves with lighter green-colored marbling.
- 4. Continuous and freely flowering habit.
- 5. Relatively large yellowish green-colored flowers with deep purplish red-colored margins and venation that are held above the foliar plane on relatively long peduncles.
- 6. Good garden performance.
Plants of the new Helleborus differ from plants of the female parent selection in the following characteristics:
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- 1. Plants of the new Helleborus are more compact than and not as vigorous as plants of the female parent selection.
- 2. Leaves of plants of the new Helleborus are stronger and stiffer than and not as floppy as leaves of plants of the female parent selection.
- 3. Plants of the new Helleborus are more freely flowering than plants of the female parent selection.
Plants of the new Helleborus differ from plants of the male parent selection in the following characteristics:
-
- 1. Plants of the new Helleborus are more compact than and not as vigorous as plants of the male parent selection.
- 2. Leaves of plants of the new Helleborus are stronger and stiffer than and not as floppy as leaves of plants of the male parent selection.
- 3. Plants of the new Helleborus are more freely flowering than plants of the male parent selection.
Plants of the new Helleborus can be compared to plants of Helleborus x hybridus ‘EPB 29’, disclosed in U.S. Plant Pat. No. 28,010. In side-by-side comparisons, plants of the new Helleborus differ from plants of ‘EPB 29’ in the following characteristics:
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- 1. Plants of the new Helleborus are taller and broader than plants of ‘EPB 29’.
- 2. Plants of the new Helleborus have smaller leaves than plants of ‘EPB 29’.
- 3. Plants of the new Helleborus are more freely flowering and flower for a longer period of time than plants of ‘EPB 29’.
- 4. Plants of the new Helleborus have larger flowers than plants of ‘EPB 29’.
- 5. Plants of the new Helleborus have longer peduncles than plants of ‘EPB 29’.
Plants of the new Helleborus can also be compared to plants of Helleborus x hybridus ‘EPB 25’, disclosed in U.S. Plant Pat. No. 28,080. In side-by-side comparisons, plants of the new Helleborus differ from plants of ‘EPB 25’ in the following characteristics:
-
- 1. Plants of the new Helleborus are more compact than plants of ‘EPB 25’.
- 2. Plants of the new Helleborus have larger flowers than plants of ‘EPB 25’.
- 3. Flowers of plants of the new Helleborus are more star-shaped than and not as rounded as flowers of plants of ‘EPB 25’.
The accompanying colored photographs illustrate the overall appearance of the new Helleborus 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 slightly from the color values cited in the detailed botanical description which accurately describe the colors of the new Helleborus plant. The photograph on the first sheet (FIG. 1 ) is a side perspective view of a typical flowering plant of ‘ET EPB 855’ grown in a container. The photograph on the second sheet (FIG. 2 ) is a close-up view of a typical flowering plant of ‘ET EPB 855’.
The aforementioned photographs and following observations, measurements and values describe plants grown during the winter in two- liter containers in an outdoor nursery in Boijl, The Netherlands and under cultural practices typical of commercial Helleborus production. During the production of the plants, day temperatures ranged from 0° C. to 10° C. and night temperatures ranged from -15° C. to 0° C. Plants were one year old when the photographs and the 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 classification: Helleborus orientalis X Helleborus ericsmithii ‘ET EPB 855’.
- Parentage:
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- Female, or seed, parent.—Proprietary selection of Helleborus orientalis identified as code number O15-315, not patented.
- Male, or pollen, parent.—Proprietary selection of Helleborus ericsmithii identified as code number P14-1603, not patented.
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- Propagation:
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- Type.—By meristem culture.
- Time to initiate roots, summer.—About 15 days at temperatures about 22° C. to 25° C.
- Time to initiate roots, winter.—About 15 to 22 days at temperatures about 5° C. to 10° C.
- Time to produce a rooted young plant, summer.—About two months at temperatures about 20° C.
- Time to produce a rooted young plant, winter.—About 55 to 60 days at temperatures about 12° C.to 15° C.
- Root description.—Fleshy, vigorous; typically white to brown in color, actual color of the roots is dependent on substrate composition, water quality, fertilizer type and formulation, substrate temperature and physiological age of roots.
- Rooting habit.—Freely branching; moderately dense.
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- Plant description:
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- Plant and growth habit.—Herbaceous perennial; relatively compact and upright plant habit with flowers held above the foliar plane; moderately vigorous to vigorous growth habit and moderate growth rate.
- Plant height.—About 45 cm to 50 cm.
- Plant diameter (area of spread).—About 40 cm to 45 cm.
- Stems.—Strength: Strong. Aspect: Mostly upright. Texture and luster: Smooth, glabrous; glossy. Color: Close to 146B densely covered with spots, close to 187B.
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- Leaf description:
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- Arrangement.—Leaves arranged alternately in a basal rosette; leaves palmately compound with about five to six leaflets per leaf.
- Leaflet length.—About 5 cm to 15 cm.
- Leaflet width.—About 3 cm to 7 cm.
- Leaflet shape.—Elliptic to ovate.
- Leaflet apex.—Acute.
- Leaflet base.—Acute.
- Leaflet margin.—Serrate.
- Leaflet texture and luster, upper surface.—Smooth, glabrous; leathery; glossy.
- Leaflet texture and luster, lower surface.—Smooth, glabrous; leathery; somewhat glossy.
- Leaflet venation pattern.—Pinnate to palmate.
- Leaflet color.—Developing leaves, upper surface: Close to 137A marbled with close to 139D. Developing leaves, lower surface: Close to 147B slightly tinged with close to 187A. Fully expanded leaves, upper surface: Close to 139A marbled with close to 139C to 139D; venation, close to 139C to 139D and proximally, close to 200B. Fully expanded leaves, lower surface: Close to 147B slightly tinged with close to 187A; venation, close to N186C.
- Petioles.—Length, fully expanded leaves: About 20 cm. Diameter, fully expanded leaves: About 5 mm to 7 mm. Texture, upper and lower surfaces: Smooth, glabrous. Color, upper surface: Close to 146A; densely covered with spots, close to N186C; with development, spots, close to N199A. Color, lower surface: Close to 146A; densely covered with spots, close to N199A; with development, spots, close to 200B.
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- Flower description:
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- Flower shape and habit.—Single rotate flowers arranged in loosely branched cymes; freely flowering habit with typically about 35 flowers developing per cyme, and more flowers per cyme in the second year of growth; flowers facing outwardly to somewhat drooping.
- Fragrance.—None detected.
- Natural flowering season.—Plants begin flowering about two months after planting; plants flower from January through March in The Netherlands.
- Flower longevity on the plant.—About two to three months; flowers persistent.
- Inflorescence height.—About 25 cm.
- Inflorescence diameter.—About 35 cm.
- Flower buds.—Length: About 2 cm to 4 cm. Diameter: About 1 cm to 2.5 cm. Shape: Ovoid. Color: Close to 138D and 71A.
- Flower diameter.—About 6 cm to 8 cm.
- Flower depth (height).—About 2 cm to 4 cm.
- Petals.—None observed; all transformed into nectaries.
- Sepals.—Quantity and arrangement: Five, or occasionally six, arranged in a single whorl; slightly imbricate. Length: About 3 cm to 5 cm. Width: About 4 cm. Shape: Ovate to obovate. Apex: Obtuse and occasionally slightly emarginate. Base: Rounded. Margin: Mostly entire and occasionally slightly emarginate. Texture and luster, upper and lower surfaces: Smooth, glabrous; matte. Color: When opening and fully opened, upper surface: Center, close to 145A to 145B; towards the margins, close to 71A; venation, close to 145A to 145B or 71A; color does not change with subsequent development. When opening and fully opened, lower surface: Close to 145A to 145B and 71A; venation, close to 145A to 145B or 71A; color does not change with subsequent development.
- Peduncles.—Length: About 30 cm. Diameter: About 5 mm to 8 mm. Strength: Strong. Aspect: Mostly upright. Texture: Smooth, glabrous. Color: Close to 146B heavily covered with spots, close to 59A.
- Pedicels.—Length: About 3 cm to 12 cm. Diameter: About 3 mm to 4 mm. Aspect: About 30° to 40° from peduncle axis to slightly drooping. Strength: Strong. Texture: Smooth, glabrous. Color: Close to 146B heavily covered with spots, close to 59A.
- Reproductive organs.—Stamens: Quantity per flower: About 60. Filament length: About 2 cm. Filament color: Close to 155A. Anther shape: Elliptic to ovate. Anther length: About 3 mm. Anther color: Close to 149D. Pollen amount: Scarce. Pollen color: Close to 149D. Pistils: Quantity per flower: About five to seven. Pistil length: About 3 cm. Stigma shape: Club-shaped. Stigma color: Close to 155C. Style length: About 2 cm to 3 cm. Style color: Close to 149D; proximally, close to 142A. Ovary color: Close to 142A.
- Nectaries.—Quantity per flower: About 10 to 15. Length: About 5 mm to 8 mm. Width: About 3 mm to 5 mm. Shape: Funnelform. Color: Close to N144C.
- Seeds and fruits.—To date, seed and fruit development have not been observed on plants of the new Helleborus.
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- Garden performance: Plants of the new Helleborus have been observed to have good garden performance and to tolerate rain, wind and temperatures ranging from about -10° C. to about 35° C.
- Pathogen & pest resistance: To date, plants of the new Helleborus have not been observed to be resistant to pathogens and pests common to Helleborus plants.
Claims (1)
1. A new and distinct Helleborus plant named ‘ET EPB 855’ as illustrated and described.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US18/421,802 USPP36161P2 (en) | 2024-01-24 | 2024-01-24 | Helleborus plant named ‘ET EPB 855’ |
Applications Claiming Priority (1)
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US18/421,802 USPP36161P2 (en) | 2024-01-24 | 2024-01-24 | Helleborus plant named ‘ET EPB 855’ |
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USPP36161P2 true USPP36161P2 (en) | 2024-09-24 |
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US18/421,802 Active USPP36161P2 (en) | 2024-01-24 | 2024-01-24 | Helleborus plant named ‘ET EPB 855’ |
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