USPP30728P2 - Rudbeckia plant named ‘RUDHT25’ - Google Patents
Rudbeckia plant named ‘RUDHT25’ Download PDFInfo
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- USPP30728P2 USPP30728P2 US15/932,780 US201815932780V USPP30728P2 US PP30728 P2 USPP30728 P2 US PP30728P2 US 201815932780 V US201815932780 V US 201815932780V US PP30728 P2 USPP30728 P2 US PP30728P2
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- 241000229286 Rudbeckia Species 0.000 title claims abstract description 26
- 241000196324 Embryophyta Species 0.000 abstract description 29
- 230000017260 vegetative to reproductive phase transition of meristem Effects 0.000 abstract description 6
- 241000510450 Rudbeckia hirta Species 0.000 description 8
- 239000002932 luster Substances 0.000 description 8
- 241000218922 Magnoliophyta Species 0.000 description 3
- 239000003086 colorant Substances 0.000 description 3
- 241000607479 Yersinia pestis Species 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 2
- 230000001488 breeding effect Effects 0.000 description 2
- 230000010154 cross-pollination Effects 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000000338 in vitro Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 241000131317 Capitulum Species 0.000 description 1
- 240000004530 Echinacea purpurea Species 0.000 description 1
- 240000001140 Mimosa pudica Species 0.000 description 1
- 102000011842 Serrate-Jagged Proteins Human genes 0.000 description 1
- 108010036039 Serrate-Jagged Proteins Proteins 0.000 description 1
- 230000011681 asexual reproduction Effects 0.000 description 1
- 238000013465 asexual reproduction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 235000014134 echinacea Nutrition 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 239000003205 fragrance Substances 0.000 description 1
- 230000002045 lasting effect 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
- 244000052769 pathogen Species 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Classifications
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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
- A01H6/00—Angiosperms, i.e. flowering plants, characterised by their botanic taxonomy
- A01H6/14—Asteraceae or Compositae, e.g. safflower, sunflower, artichoke or lettuce
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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
Definitions
- the present invention relates to a new and distinct cultivar of Rudbeckia plant, botanically known as Rudbeckia hirta , commonly referred to as Black-eyed Susan, and hereinafter referred to by the name ‘RUDHT25’.
- the new Rudbeckia plant is a product of a planned breeding program conducted by the Inventor in Zuidwolde, The Netherlands.
- the objective of the breeding program is to create new compact Rudbeckia plants with numerous attractive inflorescences.
- the new Rudbeckia plant originated from a cross-pollination made by the Inventor in Zuidwolde, The Netherlands in July, 2015 of two unnamed proprietary seedling selections of Rudbeckia hirta , not patented.
- the new Rudbeckia plant was discovered and selected by the Inventor as a single flowering plant from within the progeny of the stated cross-pollination in a controlled environment in Zuidwolde, The Netherlands in July, 2016.
- Plants of the new Rudbeckia have not been observed under all possible combinations of environmental conditions and cultural practices.
- 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 Rudbeckia differ from plants of the parent selections in the following characteristics in plant habit as plants of the new Rudbeckia are more compact and uniform than plants of the parent selections.
- Plants of the new Rudbeckia can be compared to Rudbeckia hirta X Echinacea purpurea ‘ET-RDB 02’, disclosed in U.S. Plant Pat. No. 25,243. Plants of the new Rudbeckia differ primarily from plants of ‘ET-RDB 02’ in the following characteristics:
- the photograph on the first sheet comprises a side perspective view of a typical flowering plant of ‘RUDHT25’ grown in a container.
- the photograph at the top of the second sheet is a close-up view of a typical flowering plant of ‘RUDHT25’.
- the photograph at the bottom of the second sheet is a close-up view of typical leaves of ‘RUDHT25’.
Abstract
A new and distinct cultivar of Rudbeckia plant named ‘RUDHT25’, characterized by its compact, broadly upright and mounded plant habit; freely branching growth habit; freely flowering habit; single-type inflorescences with yellow orange and greyed purple to brown bi-colored ray florets positioned above the foliar plane on strong peduncles; and good garden and container performance.
Description
Botanical designation: Rudbeckia hirta.
Cultivar denomination: ‘RUDHT25’.
The present invention relates to a new and distinct cultivar of Rudbeckia plant, botanically known as Rudbeckia hirta, commonly referred to as Black-eyed Susan, and hereinafter referred to by the name ‘RUDHT25’.
The new Rudbeckia plant is a product of a planned breeding program conducted by the Inventor in Zuidwolde, The Netherlands. The objective of the breeding program is to create new compact Rudbeckia plants with numerous attractive inflorescences.
The new Rudbeckia plant originated from a cross-pollination made by the Inventor in Zuidwolde, The Netherlands in July, 2015 of two unnamed proprietary seedling selections of Rudbeckia hirta, not patented. The new Rudbeckia plant was discovered and selected by the Inventor as a single flowering plant from within the progeny of the stated cross-pollination in a controlled environment in Zuidwolde, The Netherlands in July, 2016.
Asexual reproduction of the new Rudbeckia by in vitro meristem culture in a controlled greenhouse environment in Zuidwolde, The Netherlands since March, 2017 has shown that the unique features of this new Rudbeckia are stable and reproduced true to type in successive generations.
Plants of the new Rudbeckia have not been observed under all possible combinations of environmental conditions and cultural practices. 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 ‘RUDHT25’. These characteristics in combination distinguish ‘RUDHT25’ as a new and distinct Rudbeckia plant:
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- 1. Compact, broadly upright and mounded plant habit.
- 2. Freely branching growth habit.
- 3. Freely flowering habit.
- 4. Single-type inflorescences with yellow orange and greyed purple to brown bi-colored ray florets positioned above the foliar plane on strong peduncles.
- 5. Good garden and container performance.
Plants of the new Rudbeckia differ from plants of the parent selections in the following characteristics in plant habit as plants of the new Rudbeckia are more compact and uniform than plants of the parent selections.
Plants of the new Rudbeckia can be compared to Rudbeckia hirta X Echinacea purpurea ‘ET-RDB 02’, disclosed in U.S. Plant Pat. No. 25,243. Plants of the new Rudbeckia differ primarily from plants of ‘ET-RDB 02’ in the following characteristics:
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- 1. Plants of the new Rudbeckia are more compact than plants of ‘ET-RDB 02’.
- 2. Plants of the new Rudbeckia and ‘ET-RDB 02’ differ in ray floret color as plants of ‘ET-RDB 02’ have yellow, orange and reddish-colored ray florets.
The accompanying photographs illustrate the overall appearance of the new Rudbeckia 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 Rudbeckia.
The photograph on the first sheet comprises a side perspective view of a typical flowering plant of ‘RUDHT25’ grown in a container.
The photograph at the top of the second sheet is a close-up view of a typical flowering plant of ‘RUDHT25’.
The photograph at the bottom of the second sheet is a close-up view of typical leaves of ‘RUDHT25’.
The aforementioned photographs and following observations, measurements and values describe plants grown in 19-cm containers during the late summer and early autumn in an outdoor nursery in Zuidwolde, The Netherlands and under cultural conditions typical of commercial Rudbeckia production. During the production of the plants, day temperatures ranged from 18° C. to 30° C. and night temperatures ranged from 6° C. to 18° C. Plants were 18 weeks old when the photographs were taken and 17 weeks old when the detailed description was taken. In the following description, color references are made to The Royal Horticultural Society Colour Chart, 2015 Edition, except where general terms of ordinary dictionary significance are used.
- Botanical classification: Rudbeckia hirta ‘RUDHT25’.
- Parentage:
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- Female, or seed, parent.—Unnamed proprietary seedling selection of Rudbeckia hirta, not patented.
- Male, or pollen, parent.—Unnamed proprietary seedling selection of Rudbeckia hirta, not patented.
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- Propagation:
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- Type.—By in vitro meristem culture.
- Time to initiate roots.—About ten days at soil temperatures about 15° C. and ambient temperatures about 20° C.
- Time to produce a rooted young plants.—About 30 to 35 days at soil temperatures about 15° C. and ambient temperatures about 20° C.
- Root description.—Medium in thickness; fleshy; typically white in color, actual color of the roots is dependent on substrate composition, water quality, fertilizers, substrate temperature and physiological age of roots.
- Rooting habit.—Freely branching; medium density.
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- Plant description:
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- Plant and growth habit.—Herbaceous perennial; compact, broadly upright and mounded plant habit; strong and freely branching growth habit with about six primary lateral branches each with about six secondary lateral branches; dense and bushy appearance; moderately vigorous to vigorous growth habit; medium to rapid growth rate.
- Plant height.—About 54.2 cm.
- Plant width.—About 50.3 cm.
- Lateral branches.—Length: About 24.4 cm. Diameter: About 4 mm. Internode length: About 4.3 cm. Angle: Primary lateral branches are upright to about 40° from vertical and secondary lateral branches are about 20° from primary lateral branches axis. Strength: Moderately strong. Texture and luster: Densely pubescent; moderately glossy. Lenticels: None observed on plants of the new Rudbeckia. Color: Developing branches, close to 144B; developed branches, close to 144B with axillary stripes, close to 143A, and at the nodes, close to 144B.
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- Leaf description:
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- Arrangement.—Alternate, simple; sessile.
- Length.—About 9.2 cm.
- Width.—About 4.7 cm.
- Shape.—Obovate to elliptic.
- Apex.—Acute.
- Base.—Truncate to cuneate.
- Margin.—Coarsely and shallowly serrate.
- Texture and luster, upper and lower surfaces.—Pubescent, rough; matte.
- Venation pattern.—Pinnate.
- Color.—Developing leaves, upper surface: Close to 143A. Developing leaves, lower surface: Close to between 143B and 146C. Fully expanded leaves, upper surface: Close to 137B; venation, close to 145C to 145D. Fully expanded leaves, lower surface: Close to 146B; venation, close to 144C.
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- Inflorescence description:
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- Type and arrangement.—Single-type inflorescence form with obovate-shaped ray florets and tubular disc florets; inflorescences borne on terminal and axillary peduncles above and beyond the foliar plane on strong peduncles; ray and disc florets arranged acropetally on a capitulum.
- Fragrance.—None detected.
- Flowering season.—Plants begin flowering about 100 days after planting; long flowering period, plants flower continuously during the late summer to late autumn in The Netherlands.
- Inflorescence longevity.—Good postproduction longevity with inflorescences lasting about two to five weeks on the plant; inflorescences not persistent.
- Quantity of inflorescences.—Freely flowering habit, typically about 36 developing and fully developed inflorescences at one time.
- Inflorescence buds.—Height: About 2.2 cm. Diameter: About 2.8 cm. Shape: Broadly ovate. Texture and luster: Densely pubescent; matte. Color: Close to between 15B and 16A.
- Inflorescences.—Diameter: About 9.6 cm. Depth (height): About 4.7 cm. Diameter of disc: About 2.6 cm. Receptacle height: About 1.3 cm. Receptacle diameter: About 1.1 cm. Receptacle shape: Ovate. Receptacle color: Close to 157A.
- Ray florets.—Quantity and arrangement: About 30 per inflorescence arranged in about two whorls. Length: About 4.4 cm. Width: About 1.8 cm. Shape: Obovate. Apex: Emarginate to praemorse. Base: Cuncate. Margin: Entire. Aspect: When developing, upright and when fully opened, outward to slightly drooping. Texture and luster, upper surface: Smooth, glabrous; velvety; matte. Texture and luster, lower surface: Densely pubescent; slightly velvety; matte. Color: When opening, upper surface: Distally, close to 17B; proximally, close to between N186C and 200A. When opening, lower surface: Distally, close to 17B; proximally, close to 152D. Fully opened, upper surface: Distally, close to 17B; proximally, close to between N186C and 200A. Fully opened, lower surface: Distally, close to 17B; proximally, close to 153C.
- Disc florets.—Quantity and arrangement: About 700 per inflorescence arranged in a spiral of about 14 whorls. Length: About 1.1 cm. Width: About 4 mm. Shape: Lower 89% fused and tubular, elongated. Apex: Acute. Aspect: Upright. Texture and luster: Smooth, glabrous; glossy. Color: When opening, inner and outer surfaces: Distally, close to between N186C and 200A; proximally, close to 155A. Fully opened, inner and outer surfaces: Distally, close to between N186C and 200A; mid-section, close to 185C; proximally, close to 155A.
- Phyllaries.—Quantity and arrangement: About 28 per inflorescence arranged in about two whorls. Length: About 2.5 cm. Width: About 7 mm. Shape: Narrowly obovate. Apex: Acute. Base: Broadly cuneate. Margin: Entire. Texture and luster, upper and lower surfaces: Densely pubescent; matte. Color, upper surface: Close to 137C. Color, lower surface: Close to 143B.
- Peduncles.—Length: About 16.1 cm. Diameter: About 4 mm. Strength: Strong. Aspect: Mostly upright. Texture and luster: Densely pubescent; moderately glossy. Color: Close to 144B with axillary stripes, close to 143A.
- Reproductive organs.—Androecium (present only on disc florets): Quantity per disc floret: About five. Filament length: About 3 mm. Filament color: Close to 155A. Anther shape: Narrowly oblong. Anther length: About 3 mm. Anther width: About 0.5 mm. Anther color: Close to 200A. Pollen amount: Scarce. Pollen color: Close to 17A. Gynoecium (present only on disc florets): Pistil length: About 8 mm. Style length: About 5 mm. Style color: Close to 155A. Stigma diameter: About 3 mm. Stigma shape: Cleft, decurrent. Stigma color: Close to between 200A and 202A. Ovary color: Close to NN155B.
- Seeds and fruits.—Seed and fruit production has not been observed on plants of the new Rudbeckia to date.
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- Disease & pest resistance: Plants of the new Rudbeckia have not been observed to be resistant to pathogens and pests common to Rudbeckia plants.
- Garden performance: Plants of the new Rudbeckia have been observed to have good garden performance and to tolerate wind, rain, high temperatures about 35° C. and to be suitable for USDA Hardiness Zones 5 to 10.
Claims (1)
1. A new and distinct Rudbeckia plant named ‘RUDHT25’ as illustrated and described.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15/932,780 USPP30728P2 (en) | 2018-04-23 | 2018-04-23 | Rudbeckia plant named ‘RUDHT25’ |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15/932,780 USPP30728P2 (en) | 2018-04-23 | 2018-04-23 | Rudbeckia plant named ‘RUDHT25’ |
Publications (1)
Publication Number | Publication Date |
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USPP30728P2 true USPP30728P2 (en) | 2019-07-16 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US15/932,780 Active USPP30728P2 (en) | 2018-04-23 | 2018-04-23 | Rudbeckia plant named ‘RUDHT25’ |
Country Status (1)
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US (1) | USPP30728P2 (en) |
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2018
- 2018-04-23 US US15/932,780 patent/USPP30728P2/en active Active
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