USPP32967P2 - Rhododendron plant named ‘ROBLEZD’ - Google Patents
Rhododendron plant named ‘ROBLEZD’ Download PDFInfo
- Publication number
- USPP32967P2 USPP32967P2 US16/602,844 US201916602844V USPP32967P2 US PP32967 P2 USPP32967 P2 US PP32967P2 US 201916602844 V US201916602844 V US 201916602844V US PP32967 P2 USPP32967 P2 US PP32967P2
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- roblezd
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- 241000208422 Rhododendron Species 0.000 title claims abstract description 12
- 241000196324 Embryophyta Species 0.000 abstract description 26
- 244000178870 Lavandula angustifolia Species 0.000 abstract description 3
- 235000010663 Lavandula angustifolia Nutrition 0.000 abstract description 3
- 239000001102 lavandula vera Substances 0.000 abstract description 3
- 235000018219 lavender Nutrition 0.000 abstract description 3
- 240000001140 Mimosa pudica Species 0.000 description 3
- 210000004209 hair Anatomy 0.000 description 3
- 230000017260 vegetative to reproductive phase transition of meristem Effects 0.000 description 3
- 102220574131 Heart- and neural crest derivatives-expressed protein 1_N74D_mutation Human genes 0.000 description 2
- 240000001749 Quercus lobata Species 0.000 description 2
- 235000013400 Quercus lobata Nutrition 0.000 description 2
- 241000607479 Yersinia pestis Species 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 239000003086 colorant Substances 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 238000005562 fading Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000010152 pollination Effects 0.000 description 2
- 241001164374 Calyx Species 0.000 description 1
- 241000745768 Pluchea carolinensis Species 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003205 fragrance Substances 0.000 description 1
- 239000011121 hardwood Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 210000001672 ovary Anatomy 0.000 description 1
- 230000002085 persistent effect Effects 0.000 description 1
- 230000001850 reproductive effect Effects 0.000 description 1
- 239000011122 softwood Substances 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 210000003462 vein Anatomy 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
- A01H6/36—Ericaceae, e.g. azalea, cranberry or blueberry
- A01H6/364—Rhododendron, e.g. Azalea
-
- 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
- Rhododendron hybrid Latin name of the genus and species: Rhododendron hybrid.
- the new cultivar is a product of field pollination.
- This new variety hereinafter referred to as ‘ROBLEZD’, was discovered as a seedling, resulting from seed collected from Rhododendron ‘Robleb’, U.S. Plant Pat. No. 13,681.
- the pollen parent is unidentified as numerous unpatented Rhododendron varieties were in the field.
- the pollination resulting in the new variety occurred during Spring of 2008.
- the new variety was selected by the inventor during Autumn of 2011 at a nursery in Independence, La.
- ‘ROBLEZD’ is similar in most horticultural characteristics to the seed parent, however, plants of the new cultivar ‘ROBLEZD’ however differ in the following:
- ‘ROBLEZD’ can be compared to the commercial variety Rhododendron hybrid ‘RLH1-14P14’, U.S. Plant Pat. No. 24,751. Plants of the new cultivar ‘ROBLEZD’ are similar to plants of ‘RLH1-14P14’ in most horticultural characteristics, however, plants of the new cultivar ‘ROBLEZD’ differ in the following:
- ‘ROBLEZD’ can be compared to the commercial variety Rhododendron hybrid ‘Robles’, U.S. Plant Pat. No. 22,762. Plants of the new cultivar ‘ROBLEZD’ are similar to plants of ‘Robles’ in most horticultural characteristics, however, plants of the new cultivar ‘ROBLEZD’ differ in the following:
- FIG. 1 illustrates in full color a typical plant of ‘Roblezd’ in a 2 gallon nursery container at approximately 3 years of age.
- FIG. 2 illustrates a close up of a typical inflorescence of the new variety.
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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 Rhododendron plant named ‘ROBLEZD’ is disclosed, characterized by light lavender, semi-double flowers. Plants are compact, reblooming and flower abundant. The new cultivar is a Rhododendron, suitable for ornamental garden purposes.
Description
Latin name of the genus and species: Rhododendron hybrid.
Variety denomination: ‘ROBLEZD’.
The new cultivar is a product of field pollination. This new variety, hereinafter referred to as ‘ROBLEZD’, was discovered as a seedling, resulting from seed collected from Rhododendron ‘Robleb’, U.S. Plant Pat. No. 13,681. The pollen parent is unidentified as numerous unpatented Rhododendron varieties were in the field. The pollination resulting in the new variety occurred during Spring of 2008. The new variety was selected by the inventor during Autumn of 2011 at a nursery in Independence, La.
After identifying the new variety as a potentially interesting selection, the inventor first organized propagation of ‘ROBLEZD’ by semi-softwood cuttings during Autumn of 2011 at the same nursery in Independence, La. The inventor continued controlled testing and propagation, assessing stability of the unique characteristics of this variety. Multiple generations have been reproduced and have shown that the unique features of this cultivar are stable and reproduced true to type.
The cultivar ‘ROBLEZD’ 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 ‘ROBLEZD’ These characteristics in combination distinguish ‘ROBLEZD’ as a new and distinct Rhododendron cultivar:
-
- 1. Unique light lavender flower color.
- 2. Semi-double blooms.
- 3. Re-Blooming habit
- 4. Compact plants.
- 5. Abundant flowering.
‘ROBLEZD’ is similar in most horticultural characteristics to the seed parent, however, plants of the new cultivar ‘ROBLEZD’ however differ in the following:
-
- 1. The new variety has light lavender flowers, while the seed parent has red flowers.
- 2. The new variety has semi-double flowers, while the seed parent has single to semi-double flowers.
- 3. The new variety is more compact, while the seed parent is more upright.
‘ROBLEZD’ can be compared to the commercial variety Rhododendron hybrid ‘RLH1-14P14’, U.S. Plant Pat. No. 24,751. Plants of the new cultivar ‘ROBLEZD’ are similar to plants of ‘RLH1-14P14’ in most horticultural characteristics, however, plants of the new cultivar ‘ROBLEZD’ differ in the following:
-
- 1. Flowers of ‘Roblezd’ have more petals, resulting in a semi-double bloom, compared to the single flower of this comparator.
- 2. Plants of the new variety are more compact then plants of this comparator.
- 3. Plants of the new variety produce more flowers than plants of this comparator.
‘ROBLEZD’ can be compared to the commercial variety Rhododendron hybrid ‘Robles’, U.S. Plant Pat. No. 22,762. Plants of the new cultivar ‘ROBLEZD’ are similar to plants of ‘Robles’ in most horticultural characteristics, however, plants of the new cultivar ‘ROBLEZD’ differ in the following:
-
- 1. Flowers of ‘Roblezd’ have more petals, resulting in a semi-double bloom, compared to the single flower of this comparator.
- 2. Plants of the new variety are more compact then plants of this comparator.
- 3. Plants of the new variety produce more flowers than plants of this comparator.
The accompanying photograph in FIG. 1 illustrates in full color a typical plant of ‘Roblezd’ in a 2 gallon nursery container at approximately 3 years of age.
The photographs were taken using conventional techniques and although colors may appear different from actual colors due to light reflectance it is as accurate as possible by conventional photographic techniques.
In the following description, color references are made to The Royal Horticultural Society Colour Chart 2007 except where general terms of ordinary dictionary significance are used. The following observations and measurements describe ‘ROBLEZD’ plants grown outdoors in Loxley, Ala. Plants are approximately 2 years old, in a 3 gallon nursery container. Measurements and numerical values represent averages of typical plant types.
- Botanical classification: Rhododendron hybrid ‘ROBLEZD’.
- Typically by semi-hardwood cuttings in Spring and Summer.
- Root description: Fine, fibrous young roots, well branched. Colored near RHS Grey-Brown 199A.
- Growth habit: Compact , globular shrub.
- Height: Approximately 35 cm to top of foliar and flowering plane.
- Plant spread: Approximately 50 cm.
- Branching characteristics: Well branched, approximately 4 to 6 primary branches from the center of the plant. Branches occur at approximately 45° to 75° angles. Each primary branch has 2 to 6 lateral branches.
- Primary branches:
- Length of primary branches: Average range 15 to 20 cm.
- Diameter of primary branches: Approximately 7 mm.
- Primary branch strength: Very strong, difficult to break.
- Primary branch color: Young primary branches near RHS Yellow-Green 146A; oldest branches become woody, colored near Brown 200C streaked Grey-Brown 199C.
- Primary branch texture: Immature growth hirsute. Older growth scaly, hirsute.
- Lateral branches:
- Number of lateral branches: Approximately 2 to 6 per primary branch.
- Length of lateral branches: Average 5 to 10 cm.
- Diameter of lateral branches: Average 4 mm.
- Lateral branch strength: Very strong, flexible.
- Lateral branch color: Immature branches near RHS Yellow-Green 146A flushed Greyed-Purple 183A, turning, Greyed-Orange 175C.
- Lateral branch texture: Hirsute.
- Internode length: Average range 1.0 to 3.0 cm.
- Age of plant described: Approximately 2 years.
- Leaf:
-
- Type.—Simple.
- Arrangement.—Alternate.
- Average length.—Approximately 5.4 cm.
- Average width.—Approximately 2.4 cm.
- Shape of blade.—Obovate.
- Apex.—Mucronate.
- Base.—Broad attenuate.
- Attachment.—Stalked.
- Margin.—Entire.
- Texture of top surface.—Pubescent. Hairs appressed.
- Texture of bottom surface.—Pubescent. More hairs present along main vein and margin.
- Color.—Young foliage upper side: Near RHS Yellow-Green 144A. Young foliage under side: Near RHS Yellow-Green 145A. Mature foliage upper side: Near RHS Green 139A. Mature foliage under side: Near RHS Green 138A.
- Venation.—Type: Pinnate. Venation color upper side: Near RHS Yellow-Green N144A. Venation color under side: Near RHS Yellow-Green N144B.
-
- Petiole:
-
- Length.—About 7 mm.
- Diameter.—About 2 mm.
- Color.—Upper Surface: Near RHS Yellow-Green 148A. Lower Surface: Near RHS Yellow-Green 152C.
- Texture of top surface.—Pubescent. Hairs appressed.
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- Bloom period: Plants begin flowering in the Spring, and continue to produce flowers throughout Summer and Fall.
- Flower:
-
- Arrangement.—Axillary clusters of perfect, double open funnel shaped individual flowers. Typically 3 to 7 flowers per cluster.
-
- Inflorescence:
-
- Height.—Average 9.0 cm.
- Diameter.—Average 10.0 cm.
-
- Peduncle:
-
- Length.—Average 2.2 cm.
- Diameter.—3 mm.
- Color.—Near RHS Greyed-Orange 177A.
- Texture.—Densely pubescent.
- Aspect.—Straight. Angle of attachment, approximately 35° angle from stem.
-
- Pedicel:
-
- Length.—Average range 1.5 to 3.0 cm.
- Diameter.—3 mm.
- Color.—Near RHS Red 51A.
- Texture.—Densely pubescent.
- Aspect.—Straight. Angle of attachment, approximately 35° angle from stem.
-
- Flowers:
-
- Length.—Average 2.5 cm.
- Diameter.—Average 4.2 cm.
- Facing direction.—Outwardly and upwardly facing.
- Persistent or self-cleaning.—Petals self-cleaning.
- Fragrance.—Very faint, sweet scent.
-
- Tube:
-
- Tube length.—Approximately 9 mm.
- Tube width a widest point.—Approximately 1.1 cm.
- Tube width and narrowest point.—Approximately 4 mm.
-
- Petals:
-
- Unfused petal segments.—Length: Approximately 2.2 cm. Width: Approximately 1.8 cm.
- Apex.—Blunt, rounded with shallow, irregular lobes. Occasionally retuse.
- Shape of petal.—Unfused portion, obovate.
- Petal margin.—Entire. Aspect very slightly undulating.
- Petal arrangement.—Overlapping, bilateral symmetry dissecting bottom petal. Petals fused approximately ⅓ fused from base.
- Petal number.—5.
- Petal texture.—Smooth.
- Color.—Upper surface at first opening: Near RHS Red-Purple N74C flushed Purple N78C. Linear speckles near Red-Purple 71A, about 2 to 3 mm long and 1 mm wide. Under surface at first opening: Near RHS Red-Purple N74C flushed N74B. Base near N74D. Inner surface at maturity: Near RHS Red-Purple 70B. Linear speckles near Red-Purple 71A, about 2 to 3 mm long and 1 mm wide. Outer surface at maturity: Near RHS Red-Purple 70B. Faint linear speckles near Red-Purple 71C, about 2 to 3 mm long and 1 mm wide. Upper surface at fading: Near RHS Red-Purple 72C. Linear speckles near Red-Purple 67A, about 2 to 3 mm long and 1 mm wide. Under surface at fading: Near RHS Red-Purple N74C. Linear speckles near Red-Purple 67A, about 2 to 3 mm long and 1 mm wide.
-
- Bud:
-
- Shape.—Elliptic.
- Length.—1.8 cm.
- Diameter.—1.0 cm.
- Color.—Near RHS Red-Purple 71B.
-
- Calyx/sepals:
-
- Quantity per flower.—5 sepals.
- Shape.—Narrow deltate.
- Length.—5 mm.
- Width.—2-3 3 mm.
- Apex.—Acute.
- Base.—Fused.
- Margin.—Entire.
- Texture.—Highly pubescent.
- Color.—Inner Surface: Near RHS Yellow-Green 145A. Outer Surface: Near RHS Yellow-Green 145A.
-
- Stamens:
-
- Number.—2 full stamens.
- Length.—1.6 cm.
- Width.—1 mm.
- Color.—Near RHS Red-Purple N74D.
- Anthers.—Length: Approximately 1 mm. Color: Near RHS Red-Purple 71A. Pollen: Not observed.
-
- Pistil:
-
- Number.—1.
- Length.—3.4 cm.
- Style.—Length: Average 2.9 cm. Color: Near RHS Red-Purple 58C.
- Stigma.—Globular, colored near RHS Red-Purple 59A.
- Ovary.—Sericeous texture. Approximately 3 mm in diameter, 5 mm long. Colored near RHS Yellow-Green 145C.
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- Disease and pest resistance: Not observed to be susceptible nor resistant to normal diseases and pests of Rhododendron.
- Temperature tolerance: USDA Zone 6.
- Fruit/seed production: Not observed to date.
Claims (1)
1. A new and distinct cultivar of Rhododendron plant named ‘ROBLEZD’ as herein illustrated and described.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US16/602,844 USPP32967P2 (en) | 2019-12-10 | 2019-12-10 | Rhododendron plant named ‘ROBLEZD’ |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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US16/602,844 USPP32967P2 (en) | 2019-12-10 | 2019-12-10 | Rhododendron plant named ‘ROBLEZD’ |
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Publication Number | Publication Date |
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USPP32967P2 true USPP32967P2 (en) | 2021-04-13 |
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Application Number | Title | Priority Date | Filing Date |
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US16/602,844 Active USPP32967P2 (en) | 2019-12-10 | 2019-12-10 | Rhododendron plant named ‘ROBLEZD’ |
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- 2019-12-10 US US16/602,844 patent/USPP32967P2/en active Active
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