<i>Euphorbia </i>plant named ‘Urge to Splurge’

Abstract

A new and distinct cultivar of Euphorbia plant named Urge to Splurge characterized by compact stems with obovate, bluish-green, glaucous foliage that develops a reddish tint in the summer and fall. The flowers are surrounded by bright yellow bracts and cover the plant in spring.

Claims

1. A new and distinct Euphorbia Plant named Urge to Splurge as herein illustrated and described.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

(1) The drawings of Urge to Splurge are of two-year-old plants grown in full-sun trial garden in Zeeland, Michigan showing the overall appearance of the plant including the unique traits. The colors are as accurate as reasonably possible with color reproductions. Some slight variation of color may occur as a result of lighting quality, intensity, wavelength, direction or reflection.

(2) FIG. 1 shows the habit of three of the new plants in early-season flowering.

(3) FIG. 2 shows the foliage of the new plant in early summer.

(4) FIG. 3 shows a close-up of the flowers and buds.

DETAILED BOTANICAL DESCRIPTION

(5) The following detailed description of Urge to Splurge is based on observations of two-year-old plants in a full-sun trial garden at a nursery in Zeeland, MI with supplemental watering, light additions of fertilizer, and free of other plant growth regulators. All color usage is in accordance with the 2015 edition of The Royal Horticultural Colour Chart except where common dictionary terms are used. Parentage: The female or seed parent is Bonfire; the male or pollen parent is an unknown, non-introduced, proprietary; Plant habit: Herbaceous, deciduous, winter-hardy perennial; early spring flowering on compact mounds; developing taller stems after flowering; Plant size: Flowering to about 20 cm and about 30 cm across; foliage developing to about 62 cm tall and about 120 cm wide; Root system: Fine, fibrous; freely branching; color nearest RHS 155D depending on soil substrate, composition, and nutrition; Vigor: Moderately vigorous; spring planted plugs finish in 3.8-liter pots in eight to ten weeks; Propagation: Terminal vegetative cuttings. Time to initiate roots: About 20 days; Growth rate: Moderate to rapid; finishing to flower in a 3.8-liter pot in 13 weeks; Stems: Main stems cylindrical; puberulent distally, glabrate proximally; to about 43 cm long and 7 mm diameter near base; highly branched; Branches: Cylindrical; puberulent distally, glabrate proximally; freely branching habit; to about nine lateral branches develop on the distal stem; to about 42 cm long and 2 mm diameter; aspect mostly outward; Internode length: Average about 0.5 cm; longer proximally and shorter distally; Node color: Distal portion nearest RHS 146D; proximal portion between RHS 183D and RHS 182C; Strength: Moderately strong, flexible; Branch color: Distal portion nearest RHS 146D; proximal portion between RHS 183D and RHS 182C; Leaves: Oblanceolate; alternate; simple; apex rounded to bluntly acute; base sessile, attenuate; margin entire, ciliolate; adaxial puberulent and abaxial micro-puberulent, matte; to about 5 cm long and 1.2 cm wide; Leaf color: Young expanding adaxial between RHS 146A and RHS 146B with a thin margin less than 0.3 mm between RHS 187A and RHS 187B, young expanding abaxial nearest RHS 146B with a light to moderate blush of between RHS 187A and RHS 187B; mature adaxial nearest RHS NN137A, mature abaxial between RHS NN137B and RHS 187A; Veins: Pinnate, reticulate; glabrous and flat adaxial; weakly costate and glabrous abaxial, abaxial midrib glaucous; Vein color: Young expanding adaxial midrib nearest RHS 185C, pinnate veins between RHS 146A and RHS 146B, young expanding abaxial midrib nearest RHS 181C and pinnate veins nearest RHS 181A; mature adaxial midrib proximal half nearest RHS 182B, midrib becoming nearest RHS 185C in the central portion, and distal midrib and pinnate veins nearest RHS 147C; mature abaxial midrib between RSH 182B and RHS 182C with the pinnate veins between RHS 187A and RHS 137A; Petioles: Sessile; Inflorescence: With about 300 to 600 cyathia in corymb-like raceme and up to 8 main branches having up to 30 cyathia per main branch; with numerous bracts subtending cyathia branches and whole inflorescence; aspect upright and outwardly, produced above the foliage; about 250 inflorescences per plant; Inflorescence size: Compound branched to about 4.4 cm diameter and to about 2.8 cm tall; Bud: Ellipsoid; about 2 mm tall and 1.5 mm diameter; Bud color: Nearest RHS 1C; Flower: Cyathium; perfect; incomplete; to about 5 mm long to exerted anthers and about 3 mm wide; Reproductive organs: Gynoecium.Single pistil; to about 2 mm long; on cylindrical pedicel about 0.5 mm long and 0.3 mm diameter; pedicel color nearest RHS 145B. Style.Short to about 1 mm long and 0.3 mm diameter; color nearest RHS 145B. Stigma.Trifid; about 1 mm long; color nearest RHS 145B. Ovary.Globose; about 1 mm diameter; color nearest RHS 145B. Androecium.Five. Filament.Cylindrical; glabrous; about 4 mm long and 0.3 mm diameter; color nearest RHS 145D. Anther.Bi-lobed; about 1 mm long and 0.5 mm across; color nearest 12A. Pollen.Abundant; color nearest RHS 13A. Glands: Five; outside filaments; globose; about 1 mm diameter; color nearest RHS 145B; Fruit and seed: Not yet observed; Flower fragrance: None detected; Flowering season: Plants typically flower during the late spring to early summer in the Northern Hemisphere; lasting about three to four weeks on the plant; Flower aspect: Mostly upright; Flower size: To about 1.8 cm diameter and about 7.5 mm tall; Floral bracts: About 350 to 400 per inflorescence; typically, one subtending each main, secondary, and tertiary branch; proximal bracts lanceolate, acute apices, truncate bases, entire ciliolate margins, puberulent adaxial and abaxial; distal secondary and tertiary bracts distally becoming more ovate, nearly rounded apices, truncate bases, entire ciliolate margins, micro-puberulent adaxial and puberulent abaxial; proximal bracts to about 3.3 cm long and 1.4 mm wide; distal bracts decreasing distally from about 2.6 cm long and 1.2 cm wide to 5 mm long and 3 mm wide; involucre cup-shaped; Floral bract color: Proximal bracts adaxial in distal portion between RHS 146B and RHS 146C and proximal portion between RHS N144B and RHS N144D, abaxial distal portion between RHS N187A and RHS N186C with an undertone of nearest RHS 138A and proximal portion between RHS N144B and RHS N144D; distal most bracts between RHS 151C and RHS 1A both adaxial and abaxial; intermediate bracts adaxial proximal portion nearest RHS 154B, distal portion between RHS 151A and RHS 151B with a faint blush of nearest RHS N186C, abaxial proximal portion nearest RHS 154B and distal portion variable with RHS 151A and mottled lightly with nearest RHS 187C; Floral bract veins: Adaxial glabrous, proximal bracts puberulent abaxial and glabrous on distal bracts; Floral bract vein color: Proximal bracts adaxial midrib nearest RHS 193B with moderate blush of between RHS 185B and RHS 185C, distal bracts between RHS N144B and RHS N144D both adaxial and abaxial; Pedicel: Cylindrical; glabrous; to about 4 mm long and 0.7 mm diameter; aspect erect; flexible; Pedicel color: Nearest 145B. Pathogen and pest resistance: The new Euphorbia has not been shown to be resistant or susceptible to pathogens and pests common to Euphorbia plants. Winter hardiness: The new Euphorbia is able to withstand conditions in USDA zones 4 to 9.