USO0PP22200P2

(12) United States Patent (10) Patent N0.: US PP22,200 P2 Tristram (45) Date of Patent: Oct. 18, 2011

(54) E UPHORBIA PLANT NAMED (52) US. Cl...... Plt./302 ‘WALEUPHGLO’ (58) Field of Classi?cation Search ...... Plt./302 (50) Latin Name; amygdaloides See application ?le for complete search history. Varietal Denomination: WALEUPHGLO Primary Examiner * Annette Para (76) Inventor: David Tristram, Arundel (GB)

_ _ _ _ _ (57) ABSTRACT ( * ) Not1ce: Subject to any disclaimer, the term of this patentU.S.C. isl54(b) extended by 0 days.Or adjusted under Anewthat is cultivardistinguishable ofEuphorbia by stout namedcompact-spreading habit, bright ruby-red foliage in spring and summer, and contrasting (21) Appl' NO‘: 12/803’633 cherry-red stems. In combination these traits set ‘WALE (22) Filed: Jun 30, 2010 UPHGLO’ apart from all other existing varieties of Euphor bia known to the inventor. (51) Int. Cl. A01H 5/00 (2006.01) 2 Drawing Sheets

1 2 Genus: E UPHORBIA. GLO’. These traits in combination distinguish ‘WALEUPH : amygdaloides. GLO’ from all other existing varieties of Euphorbia known to Denomination: ‘ WALEUPHGLO’ . the inventor. ‘WALEUPHGLO’ has not been tested under all possible conditions and phenotypic differences may be BACKGROUND OF THE INVENTION observed with variations in environmental, climatic, and cul The present invention relates to a new and distinct cultivar tural conditions, however, without any variance in genotype. of spurge, an ornamental shrub suitable for use in garden 1. ‘WALEUPHGLO’ exhibits stout compact-spreading border, modem landscape, or container. The new invention, in habit. the family, is known botanically as Euphorbia 2. ‘WALEUPHGLO’ exhibits bright ruby-red foliage. amygdaloides and will be referred to hereinafter by the cul 3. ‘WALEUPHGLO’ exhibits contrasting cherry-red tivar name ‘WALEUPHGLO’. stems. ‘WALEUPHGLO’ was discovered as a naturally occurring 4. ‘WALEUPHGLO’ exhibits masses of chartreuse bracts. whole plant mutation derived from the parent an individual 5. ‘WALEUPHGLO’ blooms from early summer through Euphorbia amygdaloides ‘Purpurea’ (unpatented). The fall. inventor discovered ‘ WALEUPHGLO’ at the inventor’ s nurs 5 6. ‘WALEUPHGLO’ is hardy in USDA Zones 6-1 1. ery in Walberton, West Sussex, United Kingdom, and selected 7. ‘WALEUPHGLO’ reaches a range of 46-50 cm. in ‘WALEUPHGLO’ in the summer of 2006 from a growing height and 50-76 cm. in width at maturity. crop of Euphorbia amygdaloides ‘Purpurea’. The closest comparison plant is Euphorbia amygdaloides ‘Purpurea’. BRIEF DESCRIPTION OF THE DRAWINGS ‘WALEUPHGLO’ is distinguishable from ‘Purpurea’ by foli age color. The accompanying color drawings illustrate the overall ‘WALEUPHGLO’ is robust, exhibiting a long period of appearance of ‘WALEUPHGLO’ showing color as true as it is seasonal interest, with bright ruby-red foliage, contrasting reasonably possible to obtain in color reproductions of this cherry-red stems, stout compact-spreading habit, and masses type. Color in the drawings may differ from the color values of chartreuse bracts from early summer through fall. Drought cited in the detailed botanical description, which accurately tolerant once established ‘WALEUPHGLO’ grows to within describe the actual color of the new variety ‘WALEUPH the range of 46-50 cm. in height and within the range of 50-76 GLO’. cm. in width. Cultural requirements include moderate to full The drawing labeled FIG. 1 depicts the early spring ?ush of sun, well-draining soil, and moderate to minimal water. Full growth of ‘WALEUPHGLO’ sun enhances the rich foliage color. ‘WALEUPHGLO’ is The drawing labeled FIG. 2 depicts the emerging in?ores hardy in USDA Zones 6-1 1. cences of ‘WALEUPHGLO’, in early summer. The ?rst asexual reproduction of ‘WALEUPHGLO’ was Both drawings were made from one year old which conducted in 2006. Asexual propagation was accomplished have been grown out of doors in West Sussex, England. by the inventor in West Sussex, United Kingdom using the Although ?ower and foliage color may appear different from method of tip cuttings. Since then the new E uphorbia cultivar actual color due to light re?ectance, they are as accurate as named ‘WALEUPHGLO’ has been determined stable, ?xed, possible by conventional photography. and reproduces true to type in successive generations of asexual propagation. BOTANICAL DESCRIPTION OF THE PLANT

SUMMARY OF THE INVENTION 40 The following is a detailed botanical description of ‘WALEUPHGLO’. Observations, measurements, values and The following traits have been repeatedly observed and comparisons were collected in Arroyo Grande, Calif. from a represent the distinguishing characteristics of ‘WALEUPH 9-month-old l-liter container plant grown out-of-doors. US PP22,200 P2 3 4

Color determinations are made in accordance With the 2001 Length (range).*4.50 cm. to 6.90 cm. edition of The Royal Horticultural Society Colour Chart of Width (range).i1.40 cm. to 1.80 cm. London, England, except Where general color terms of ordi Leaf apex.iSubacute. nary dictionary signi?cance are used. The groWing require Leaf base. iAttenuate. ments of the neW variety are similar to the species. Quantity (average).i35 leaves per stem. Botanical classi?cation: E UPHORBIA amygdaloides Venation pattern (abaxial and adaxial surfaces).iPin ‘WALEUPHGLO’ . nate With prominent mid-vein. Family: Euphorbiaceae. Vein color (adaxial surface).i185A. Genus: E UPHORBIA. Vein color (abaxial surface).i185A. Species: amygdaloides. MarginiEntire. Denomination: ‘WALEUPHGLO’. Surface (adaxial surface).iPuberulent. Common name: Spurge. Surface (abaxial surface).iPuberulent. Commercial classi?cation: Ornamental shrub. AttachmentiSessile. Parentage: E UPHORBIA amygdaloides ‘WALEUPHGLO’ Leaf color, spring and early summer growth, adaxial Was discovered as a naturally occurring Whole plant muta surface.*184D. tion derived from the parent an individual Euphorbia Leaf color, spring and early summer growth, adaxial amygdaloides ‘Purpurea’ (unpatented). surface.*46D. Asexual propagation method: Tip cuttings. Leaf color, after ?owering and into fall (both surfaces) Rooting habit: Fine and ?brous. 20 .iN186D aging to N186C. Time to develop roots: 6-8 Weeks are needed for roots to Leafcolor, oldest leaves during winteril 47A. develop on an initial cutting. Leaffragrance. iPungent When bruised. Rooting temperature recommended to develop roots: 18-22o FloWer: Centigrade in hoop house. Blooming season. iEarly summer through fall. Crop time: 6-8 Weeks to produce a ?nished 4-inch container 25 Type of in?orescenceiCyathium. plant from 72 cell transplant, and 10-12 Weeks to produce In?orescence shapeiCupule. a 1-liter container plant from 72 cell transplant. True perianthiAbsent. Habit: Stout compact-spreading. Staminate ?ower iApetalous. Use: Garden border, modern landscape, and container. Pistillate?ower.iApetalous. Type: Perennial. 30 Cyathia quantity (average per l-liter): >50. Vigor: Robust. Cyathia quantity (average per rachis): 4. First season plant dimensions (range): 30-35 cm. in height Cyathium dimensions.*1.50 cm. in depth and 2 cm. in and 20-25 cm. in Width. diameter. Mature plant dimensions (range): 40-50 cm. in height and AspectiFacing upWard and outWard. 50-55 cm. in Width. 35 Bud shape (range).4Ovoid to globose. Cultural requirements: Moderate to full sunlight, Well-drain Bud dimensions (average) .il mm. in height and diam ing porous commercial medium and moderate to minimal eter. Water. Maintain dry for over-Wintering. Soil pH: 5.8-6.2. Bud surfaceiGlabrous. Disease and pest susceptibility: Susceptible to mites, botrytis Bud coloril 85A. and poWdery mildeW. 40 Bud apex. iRounded. Hardiness: Hardy in USDA Zones 6-11. Rachis coloril 87B. VemaliZation: None necessary. Rachis dimensions (average).i5 cm. in length and 1 Seasonal traits: Bright ruby-red foliage color in spring and mm. in diameter. summer; chartreuse bracts summer through fall. Rachis shape. ‘Cylindrical. Special considerations: Drought tolerant once established. 45 Rachis surfaceiGlabrous. HaZardous. All parts exude a White milky sub stance When Bract quantity (range).i4-8 per rachis. bruised that is poisonous if ingested, and may elicit dermal Bract fused or unfusediUnfused. irritation. Bract color (adaxial surface).iN144A. GroWing recommendations: Prune ?owering stem hard back Bract color (abaxial surface) .i185A. to the base after blooming has ?nished. Full sun brings out 50 Bract margin. iEntire. best spring ?ushing color. Bract shape. 4Orbicular. Stem: Bract apex.4Obtuse. Branching habitiDivergent. Bract baseiRounded. Stem quantity (average) .il 9 per 1-liter container plant. Bract dimensionsil cm. in length and 1.10 cm. in Dimensions (average).i13 cm. in length and 0.50 cm. 55 Width. in diameter. Bract surfaces (adaxial and abaxial).iGlabrous. ShapeiColumnar. Lastingness of cyathium (range).i20-35 days. SurfaceiPubescent. Cyathium fragrance. iPungent odor When bruised. Color*187B. Reproductive organs: Internode length (range).i0.50 cm. to 2 cm. 60 Stamens (average).i4 in number. FragranceiPungent When bruised. Stamen coloriN144A. Foliage: Stamen length.i3 mm. ZypeiEvergreen. Pollen color.*14A. Arrangement. iWhorled. Pollen quantityiMinimal. DivisioniSimple. 65 Pistilil in number. ShapeiObovate. Pistil length (average).*4 mm. US PP22,2OO P2 5 6

Pislil C0l0Ki185A. Ovary posilionisuperior. Style lenglh.i

5%(2. i US. Patent Oct. 18,2011 Sheet 2 of2 US PP22,200 P2