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(12) United States Plant Patent (10) Patent No.: US PP13,298 P3 Griesbach Et Al

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(12) United States Plant Patent (10) Patent No.: US PP13,298 P3 Griesbach Et Al USOOPP13298P3 (12) United States Plant Patent (10) Patent No.: US PP13,298 P3 Griesbach et al. (45) Date of Patent: Dec. 3, 2002 (54) ORNITHOGALUM PLANT NAMED (58) Field of Search ........................................... Plt./263 “CHESAPEAKE SUNBURST (56) References Cited (75) Inventors: Robert Griesbach, Ellicott City, MD (US); Fred Meyer, deceased, late of PUBLICATIONS Escondido, CA (US), by Marlene Meyer, administrator U.S. National Arboretum Plant Introduction, Floral and Nursery Plants Research Unit, Ornithogalum Chesapeake (73) Assignee: The United States of America as Blaze', 'Chesapeake Sunburst, and “Chesapeake Sunset, represented by the Secretary of Nov. 1999. Agriculture, Washington, DC (US) * cited by examiner (*) Notice: Subject to any disclaimer, the term of this patent is extended or adjusted under 35 Primary Examiner Bruce R. Campell U.S.C. 154(b) by 0 days. ASSistant Examiner-June Hwu (74) Attorney, Agent, or Firm-C. A. Whealy (21) Appl. No.: 09/765,318 (57) ABSTRACT (22) Filed: Jan. 22, 2001 A new and distinct cultivar of Ornithogalum plant named (65) Prior Publication Data Chesapeake Sunburst characterized by its Strong and upright Scapes, dense corymbose racemes with numerous US 2002/0100090 P1 Jul. 25, 2002 bright yellow-colored flowers, and glossy dark green leaves. (51) Int. Cl." .................................................. A01H 5/00 (52) U.S. Cl. ....................................................... Pt/263 2 Drawing Sheets 1 2 BACKGROUND OF THE INVENTION The following traits have been repeatedly observed and are determined to be the unique characteristics of Chesa The present Invention relates to a new and distinct culti peake Sunburst. These characteristics in combination dis Var of Ornithogalum plant, botanically known as Ornithoga tinguish Chesapeake Sunburst as a new and distinct Orni lum hybrida, and hereinafter referred to by the name “Chesa thogalum: peake Sunburst. 1. Strong and upright Scapes. The new Ornithogalum is a product of a planned breeding 2. Dense corymbose racemes with numerous bright program conducted by the Inventors in Beltsville, Md. and yellow-colored flowers. Escondido, Calif. The objective of the breeding program 3. Glossy dark green leaves. was to create new freely-flowering interspecific Ornithoga In Side-by-Side comparisons conducted by the Inventors in Beltsville, Md., plants of the new Ornithogalum differ lum hybrids with unique and desirable flower colors. from plants of the cultivar Sunshine, in the following The new Ornithogalum originated from a crossing of two characteristics: unidentified Seedling Selections resulting from a croSS made 1. Plants of the new Ornithogalum have Stronger Scapes by the Inventors between the Ornithogalum hybrida cultivar 15 than plants of the cultivar Sunshine. Kewensis (Ornithogalum thyrsoidesXO. dubium), not pat 2. Plants of the new Ornithogalum have a denser (less ented, with the Ornithogalum hybrida cultivar Sunshine open) flower display than plants of the cultivar Sun (Ornithogalum dubium XO. multifolium), not patented. The Shine. cultivar Chesapeake Sunburst was discovered and Selected 3. Plants of the new Ornithogalum have bright yellow by the Inventors as a flowering plant within the progeny of colored flowers whereas plants of the cultivar Sunshine the stated cross in a controlled environment in Beltsville, have yellow-orange-colored flowers. Md. in 1994. In Side-by-Side comparisons conducted by the Inventors ASexual reproduction of the new Ornithogalum by tissue in Beltsville, Md., plants of the new Ornithogalum differ culture in a controlled environment in a laboratory in from plants of the cultivar Kewensis, in the following Beltsville, Md., has shown that the unique features of this 25 characteristics: new Ornithogalum are stable and reproduced true to type in 1. Plants of the new Ornithogalum have longer leaves than Successive generations. plants of the cultivar Kewensis. 2. Plants of the new Ornithogalum have shorter scapes SUMMARY OF THE INVENTION than plants of the cultivar Kewensis. 3. Plants of the new Ornithogalum have bright yellow The cultivar Chesapeake Sunburst has not been colored flowers whereas plants of the cultivar Kewensis observed under all possible environmental conditions. The have cream-colored flowers. phenotype may vary Somewhat with variations in environ ment Such as temperature, daylength, light intensity, and DESCRIPTION OF THE PHOTOGRAPHS water or nutritional Status without, however, any variance in 35 The accompanying colored photographs illustrate the genotype. overall appearance of the new Ornithogalum, showing the US PP13,298 P3 3 4 colors as true as it is reasonably possible to obtain in colored About 15 to 20 cm. Width: About 2 cm. Shape: reproductions of this type. Colors in the photographs may Linear. Apex: Acute. Margin: Entire. Texture, upper differ slightly from the color values cited in the detailed and lower surfaces: Glabrous, smooth. Color: Young botanical description which accurately describe the colors of leaves, upper and lower Surfaces: 144A. Mature the new Ornithogalum. leaves, upper and lower Surfaces: 137A, glossy, The photograph on the first sheet comprises a Side per venation, 137A. Leafsheath: Length: About 1.5 cm. Spective view of a typical flowering plant of Chesapeake Width: About 1.5 cm. Color: 155B. Sunburst. Flower description: The photograph on the Second sheet comprises a close-up Flowering habit.-Inflorescences Scapose with Single View of a typical flowering inflorescence of Chesapeake flowers, 3-merous, arranged in dense corymbose Sunburst. racemes. Flowers not fragrant; flowers persistent. Natural flowering season.-Plants flower during the DETAILED BOTANICAL DESCRIPTION Spring. Flower longevity On the plant. About one month. In the following description, color references are made to Flower longevity as a cut flower:- About 3 to 4 weeks. The Royal Horticultural Society Colour Chart except where Inflorescence size.-Length: About 15 cm. Width: general terms of ordinary dictionary Significance are used. About 5 cm. The following observations and measurements describe Flower buds.-Length: About 1.2 to 1.5 cm. Diameter: plants grown in Beltsville, Md., under commercial practice About 8 to 10 mm. Shape: Ovoid. Color: 137A. in a glass-covered greenhouse. During the production of the Flowers.-Quantity of flowers and flower buds per plants, day temperatures ranged form 18 to 27 C and night plant: About 30 to 40 per flowering stem; each bulb temperatures ranged from 13 to 21 C. Measurements and produces about 1 to 3 flowering Stems. Shape: Cir numerical values represent averages for typical flowering cular. Diameter: About 3 cm. Depth (height): About plants. Plants used for the description and photograph were 1.5 cm. grown in 12.5-cm containers for about 20 to 25 weeks after Perianth.-Quantity/arrangement: Three petals and planting rooted tissue-cultured plantlets in the fall. three sepals per flower, imbricate; Separate. Length: About 1.5 cm. Width: About 1 cm. Shape: Pyriform. Botanical classification: Ornithogalum hybrida cultivar Apex: Slightly acute. Margin: Entire. Texture, upper Chesapeake Sunburst. and lower surfaces: Smooth, waxy. Color: When Parentage: opening, upper and lower Surfaces: 9A. Fully Female and male parents.- Unidentified seedling opened, upper and lower Surfaces: Apex and center, Selections resulting from a croSS between Ornithoga 9A, base, 152A, glossy. lum hybrida cultivar Kewensis Ornithogalum Scape.-Angle: Erect. Strength: Strong. Length: About thyrsoides xO. dubium), not patented, and Orni 10 cm. Diameter: About 5 mm. Texture: Glabrous. thogalum hybrida cultivar Sunshine (Ornithogalum Color: 137A. dubiumxO. multifolium), not patented. Pedicles.-Strength: Strong. Length: About 3 to 3.5 Propagation: cm. Diameter: About 3 mm. Texture: Glabrous. Type.- Tissue culture. Color: 137A. Time to initiate roots from tissue-cultured micro Flower bracts.-Arrangement: Single, Subtending the cuttings. About 10 days at 24 C. perianth. Length: About 2.5 cm. Width: About 1 cm. Root description.-Quantity: About 20 to 30 primary Shape: Cymbiformis. Color: 137A. roots arising from bulb. Diameter: About 6 to 8 cm. Reproductive Organs.-Stamens: Quantity: Six. Anther Color: 159C. shape: Oval. Anther length: About 3 to 5 mm. Anther Bulb description.-Appearance: Tunicate. Diameter: color: 14B. Amount of pollen: Abundant. Pollen About 2.5 cm. Circumference: About 7 to 8 cm. color: 14B. Pistils: Quantity: One. Length: About 6 Color: 161B. to 8 mm. Stigma shape: Tri-Sulcate. Stigma color: Plant description: 166C. Style length: About 3 to 4 mm. Style color: Plant form.- Upright flowering potted plant; inverted 166C. Ovary color: 147A. triangle. Leaves basal with central flowering stem. Seed.- Seed production has not been observed. Flowers arranged in dense corymbose racemes. Disease resistance: Resistance to pathogens common to Crop time.- Usually about 20 to 25 weeks are required Ornithogalums has not been determined. to produce finished flowering plants in 12.5-cm containers from rooted tissue-culture plantlets. Plant height. About 15 to 20 cm. It is claimed: Plant width. About 30 to 40 cm. 1. A new and distinct cultivar of Ornithogalum plant LeaveS.-Arrangement: Simple, basal; rosette, Sessile. named Chesapeake Sunburst, as illustrated and described. Quantity of leaves per plant: About 4 to 8. Length: k k k k k U.S. Patent Dec. 3, 2002 Sheet 1 of 2 US PP13,298 P3 U.S. Patent Dec. 3, 2002 Sheet 2 of 2 US PP13,298 P3 .
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