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PP24,004 P3 White Et Al USOOPP24004P3 (12) United States Plant Patent (10) Patent No.: US PP24,004 P3 White et al. (45) Date of Patent: Oct. 29, 2013 (54) RHODANTHEMUM PLANT NAMED (52) U.S. Cl. CASABLANCA USPC ....................................................... Pt/263.1 (50) Latin Name: Rhodanthemum hybrid (58) Field of Classification Search Varietal Denomination: CASABLANCA USPC ........................................................ PtF263.1 (76) Inventors: Anthony Robin White, Alresford (GB); S ee appl1cauonlication fileIlle fIor completelet searcnh historv.n1Story Susan Barbara White, Alresford (GB) Primary Examiner — Kent L Bell (*) Notice: Subject to any disclaimer, the term of this (74) Attorney, Agent, or Firm — Cassandra Bright patent is extended or adjusted under 35 U.S.C. 154(b) by 262 days. (57) ABSTRACT (21) Appl. No.: 13/136,117 A new and distinct Rhodanthemum cultivar named CASA 22) Filed: Jul. 22, 2011 BLANCA is disclosed, characterized by compact plant (22) Filed: le 44 growth, large flowers produced over a long period of time. (65) Prior Publication Data Plants have a good tolerance for drought. The new variety is US 2013/OO25O1OP1 Jan. 24, 2013 a Rhodanthemum, normally produced as an outdoor orna mental plant for containers or gardens. (51) Int. Cl. AOIH 5/00 (2006.01) 1 Drawing Sheet 1. 2 Latin name of the genus and species: Rhodanthemum 3. Long flowering period. hybrid. 4. Good tolerance for drought. Variety denomination: CASABLANCA. PARENT COMPARISON BACKGROUND OF THE INVENTION 5 Plants of the new cultivar CASABLANCA are similar to The new cultivar was discovered as a result of a planned plants of the seed parent, a plant of Rhodanthemum hos breeding program directed by the inventors, Anthony Robin mariense in most horticultural characteristics, however, White and Susan Barbara White, citizens of the United King plants of the new cultivar CASABLANCA produce flowers 10 over a 9 month period, whereas the seed parent produces dom. The seed parent is an unnamed, unpatented plant of flowers over a 4 to 5 month period. Additionally, the new Rhodanthemum hosmariense and the pollen parent is an variety produces foliage with a more silver-green appearance unpatented variety of Rhodanthemum plant, of unknown spe than the seed parent. cies. The cross resulting in CASABLANCA was made June Plants of the new cultivar CASABLANCA are similar to 2004. The new variety was discovered during the Spring of 15 plants of the pollen parent in most horticultural characteris 2008, by the inventors in a commercial nursery in Hampshire, tics, however, plants of the new cultivar CASABLANCA are United Kingdom. more compact in growth habit than the pollen parent. Addi Asexual reproduction of the new cultivar CASA tionally, the new variety has less foliage that is less silver BLANCA by vegetative cuttings was first performed in 2008, green than the pollen parent. at a commercial nursery in Hampshire, United Kingdom. Multiple generations have since been produced and have COMMERCIAL COMPARISON shown that the unique features of this cultivar are stable and reproduced true to type in Successive generations. CASABLANCA can be compared to the commercial variety Rhodanthemum African Eyes, unpatented. The two 25 varieties are very similar in most horticultural characteristics, SUMMARY OF THE INVENTION however, plants of CASABLANCA produce larger flowers, and flowers over a longer period of time than African Eyes. Additionally, plants of CASABLANCA are more compact, The cultivar CASABLANCA has not been observed produce foliage that is more silver-green, and have a better under all possible environmental conditions. The phenotype tolerance for drought. may vary somewhat with variations in environment Such as 30 temperature, day length, and light intensity, without, how BRIEF DESCRIPTION OF THE PHOTOGRAPH ever, any variance in genotype. The following traits have been repeatedly observed and are The accompanying photograph in FIG. 1 illustrates in full determined to be the unique characteristics of CASA color a typical plant of CASABLANCA grown outdoors, in BLANCA. These characteristics in combination distinguish 35 Hampshire, United Kingdom, in a commercial 15 cm con CASABLANCA as a new and distinct Rhodanthemum cul tainer. Age of the plant photographed is approximately 9 tivar: months from a rooted cutting. 1. Compact growth habit. The photographs were taken using conventional tech 2. Large flowers. niques and although colors may appear different from actual US PP24,004 P3 3 4 colors due to light reflectance it is as accurate as possible by foliage upper side: Near RHSN 138A. Mature foliage conventional photographic techniques. under side: Near RHSN 138A. Venation.-Indistinguishable from foliage. DETAILED BOTANICAL DESCRIPTION Petiole: Not present. In the following description, color references are made to FLOWER The Royal Horticultural Society Colour Chart, 2001 except Bloom period: Naturally blooming: From early spring until where general terms of ordinary dictionary significance are late autumn; approximately 9 months. used. The following observations and measurements describe 1 Bud: CASABLANCA plants grown outdoors, during Spring Budshape.—Spherical. months in Hampshire, United Kingdom. The growing tem Bud length.—Approximately 0.5 cm. Bud diameter:—Approximately 0.5 cm. perature ranged from 10° C. to 25° C. daytime and 5° to 15° Bud color:- Near RHS Green N. 138A. C. at night. No chemical treatments were given. Measure Inflorescence: ments and numerical values represent averages of typical 15 Form.—Panicle, composed of composite type flowers. plant types. Flower: Botanical classification: Rhodanthemum hybrid CASA Diameter of entire flower—Approximately 2.5 to 3 cm. BLANCA. Depth of flower—Approximately 0.5 to 0.8 cm (includ ing receptacle). PROPAGATION Disc diameter—Approximately 0.8 cm. Receptacle shape.—Campanulate to cup shaped. Time to rooting: 18 to 21 days at approximately 21°C. Receptacle height.—Average 0.5 cm. Time to produce a rooted cutting: 7 weeks. Receptacle diameter:—Average 0.7 cm. Root description: Fine, fibrous, dense rooting habit. Ouantity of inflorescences per lateral stem.-10 to 15. 25 Ouantity of open inflorescences and buds per plant.— Average 50 to 60. PLANT Longevity.—20 days. Rate of opening.—5 to 7 days from bud to fully opened Growth habit: Hardy, upright, herbaceous perennial. flower. Height: Approximately 30 to 40 cm. Persistent or self-cleaning.—Persistent. Plant spread: Approximately 30 to 40 cm. 30 Ray florets: Growth rate: Vigorous. Arrangement.—Rotate composite inflorescence form Branching characteristics: Free branching. with ray florets Subtending and also developing at the Length of lateral branches: Approximately 25 to 30 cm. apex of the receptacle. Diameter of lateral branches: Approximately 0.5 cm. Aspect/Orientation.—Funnel-shaped to horizontal, 35 moving to outcurved. Quantity of lateral branches: Numerous. Shape.-Lanceolate. Texture of lateral branches: Smooth, glabrous, strong. Number of ray florets.—Avg. 13. Color of lateral branches: Near RHS Green N138 C. Length.—Approximately 0.8 to 1 cm. Aspect: Approximately 40 to 45° angle from base of plant. Width. Approximately 0.5 cm. Internode length: Approximately 0.8 to 1 cm. 40 Apex shape.—Obtuse. Number of leaves per lateral branch: Approximately 20 to 30. Base.-Rounded. Age of plant described: Approximately 9 months from a Margin.—Entire. rooted cutting. Texture.—Smooth. Color: FOLIAGE Rayflorets. Upper surface at first opening: Near RHS 45 155C (white). Upper surface at maturity: Near RHS Leaf: 155C (white). Upper surface at fading: No change. Under surface at first opening: Near RHS 155C Arrangement. —Alternate, simple. (white). Under surface at maturity: Near RHS 155C Average length. Smallest apical leaves, approximately (white). Under Surface at fading: No change. 1.5 to 2cm. Largest basal leaves, approximately 3.5 to 50 Disc florets. Number of Disc Florets: more than 200. 4 cm. Arrangement: Acropetally on disc. Length: Approxi Average width. Smallest apical leaves approximately mately 3 to 5 mm. Width: Approximately 8 mm. 0.8 to 1 cm. Largest basal leaves, approximately 2.5 to Shape: Tubular, lower /3 fused, upper 2/3 open. Mar 3 cm. gin: entire. Apex: acute. Base: Fused, acute. Texture: Shape of blade. Palmately lobed. 55 Smooth, glossy. Color: Apex. —Acute to obtuse. Disc florets.—At first opening: Near RHS Greyed-Or Base.- Truncate. ange 166A. At maturity: Near RHS Greyed-Orange Attachment.—Sessile. 165A. Fading: No change from mature stage. Margin.—Entire. Fragrance: No fragrance. Texture of top surface.—Smooth, glabrous. 60 Texture of bottom surface.—Smooth, glabrous. PHYLLARIES/INVOLUCAL BRACTS Leaf internode length. Differs from branch to branch; from 2 to 6 cm. Arrangement.—Rotate. Color: Young foliage upper side: Near RHS N 138A. 65 Number.—Approximately 1 to 2 per flower. Young foliage under side: Near RHSN 138A. Mature Length.—Approximately 0.5 cm. US PP24,004 P3 5 6 Width.—Approximately 0.5 cm. Orange 164B. Pollen amount: Moderate to abundate. Shape. Palmately lobed, just like leafs/blades. Pollen color: Near RHSYellow-Orange 21 B. Apex. —Acute to obtuse. Gynoecium.—Pistill length: Approximately 1 mm. Base.- Truncate. Stigma shape: open. Stigma color: Near RHSYellow in Rnfi 5 Orange 21C. Style length: About 1 to 2 mm. Style AC NS, labrous color: Near RHS Greyed-Orange 163B. Ovary color: Smooung Near RHS Green 138C. Color:—Inside color near RHS N138A.. Outside color Ray florets: near RHS N138A Gynoecium.—Present only disc florets. Androecium.—Present
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