<i>Mandevilla </i>plant named ‘LVDIP1816’

Abstract

A new and distinct cultivar of Mandevilla plant named ‘LVDIP1816’, characterized by its upright to outwardly spreading and semi-trailing plant habit; moderately vigorous to vigorous growth habit; early and freely flowering habit; single bright red-colored flowers; and good container performance.

Claims

1. A new and distinct Mandevilla plant named ‘LVDIP1816’ as illustrated and described.

Description

BRIEF DESCRIPTION OF THE PHOTOGRAPHS

(1) The accompanying colored photographs illustrate the overall appearance of the new Mandevilla plant showing the colors as true as it is reasonably possible to obtain in colored reproductions of this type. Colors in the photographs may differ slightly from the color values cited in the detailed botanical description which accurately describe the actual colors of the new Mandevilla plant.

(2) The photograph on the first sheet (FIG. 1) is a side perspective view of a typical flowering plant of ‘LVDIP1816’ grown in a container.

(3) The photograph on the second sheet (FIG. 2) is a close-up view of a typical flower of ‘LVDIP1816’.

DETAILED BOTANICAL DESCRIPTION

(4) The aforementioned photographs and following observations, measurements and values describe plants grown during the summer in 10.5-cm containers in a polyethylene-covered greenhouse in Merano, Italy and under cultural practices typical of commercial Mandevilla production. During the production of the plants, day temperatures ranged from 20° C. to 28° C. and night temperatures ranged from 10° C. to 18° C. Plants were 20 weeks old when the photographs and description were taken. In the following description, color references are made to The Royal Horticultural Society Colour Chart, 2015 Edition, except where general terms of ordinary dictionary significance are used. Botanical classification: Mandevilla hybrida ‘LVDIP1816’. Parentage: Female, or seed, parent.—Mandevilla hybrida ‘Fisrix Hopink’, disclosed in U.S. Plant Pat. No. 20,672. Male, or pollen, parent.—Mandevilla hybrida ‘Sunmandecrim’, disclosed in U.S. Plant Pat. No. 15,539. Propagation: Type.—By vegetative cuttings. Time to initiate roots, summer.—About three weeks at temperatures about 25° C. Time to initiate roots, winter.—About four weeks at temperatures about 14° C. Time to produce a rooted young plant, summer.—About five weeks at temperatures about 25° C. Time to produce a rooted young plant, winter.—About six weeks at temperature about 14° C. Root description.—Thin, fibrous; typically creamy white in color, actual color of the roots is dependent on substrate composition, water quality, fertilizers, substrate temperature and physiological age of roots. Rooting habit.—Freely branching; medium density. Plant description: Plant and growth habit.—Upright to outwardly spreading and semi-trailing plant habit; roughly broadly obovate in overall shape; moderately vigorous to vigorous growth habit and moderate growth rate. Plant height, soil level to top of foliar plane.—About 28.5 cm. Plant height, soil level to top of floral plane.—About 29.1 cm. Plant diameter (spread).—About 32.4 cm. Lateral branch description.—Branching habit: Freely branching habit, typically about three primary lateral branches each with about two secondary lateral branches. Length: About 16.8 cm. Diameter: About 2.25 mm. Internode length: About 2.5 cm. Aspect: Primary lateral branches, mostly upright; secondary lateral branches, about 15° to 60° from primary branch axis. Strength: Strong. Texture and luster: Smooth, glabrous; slightly glossy; becoming woody with development. Color, developing: Close to 143B. Color, developed: Close to a blend of 143B and 143C; when woody, close to N199B and 200D. Leaf description: Arrangement.—Opposite or in whorls of three, simple. Length.—About 6 cm. Width.—About 4 cm. Shape.—Broadly ovate to broadly obovate. Apex.—Apiculate to abruptly acute. Base.—Truncate to rounded. Margin.—Entire. Texture and luster, upper and lower surfaces.—Smooth, glabrous; moderately coriaceous; moderately glossy. Venation pattern.—Pinnate. Color.—Developing leaves, upper surface: Close to 143A to 143B. Developing leaves, lower surface: Close to 147B tinged with close to 197A. Full expanded leaves, upper surface: Slightly darker than a blend of NN137A and 147A; venation, close to 144A. Fully expanded leaves, lower surface: Close to 146B; venation, close to 145A. Petioles.—Length: About 1 cm. Diameter: About 2 mm by 2 mm. Strength: Moderately strong. Texture and luster, upper and lower surfaces: Smooth, glabrous; slightly glossy. Color, upper surface: Close to 144A. Color, lower surface: Close to 144B. Flower description: Flower type and flowering habit.—Single salverform flowers arranged in terminal and axillary cymes; flowers face outwardly to slightly upright and slightly nodding; freely flowering habit with about six flowers per inflorescence and about 60 flower buds and open flowers developing per plant during the flowering season. Natural flowering season.—Plants flower continuously from spring into the autumn in Italy; plants begin flowering about 45 days after planting rooted young plants. Flower longevity on the plant.—Individual flowers last about ten days; flowers not persistent. Fragrance.—None detected. Inflorescence height.—About 13 cm. Inflorescence diameter.—About 11.1 cm. Flower buds.—Length: About 5.7 cm. Diameter: About 1 cm. Shape: Narrowly oblanceolate. Texture and luster: Smooth, glabrous; slightly glossy. Color: Distally, slightly darker than 46A; proximally, close to 145B and tube, close to 144B. Flowers.—Appearance: Flared trumpet, corolla fused and five-parted. Diameter: About 6.8 cm by 6.8 cm. Depth (length): About 6.5 cm. Throat diameter: About 1.4 cm. Tube length: About 4.4 cm. Tube diameter: Proximally, about 4 5 mm; distally, about 1.6 cm. Corolla.—Quantity and arrangement: Five petals arranged in a single whorl; lower 57% portion of the petals are fused into a funnelform tube. Petal length: About 7.7 cm. Petal width: About 2.5 cm. Petal shape and appearance: Roughly unequal spatulate; slightly convex. Petal apex: Apiculate, unequal. Petal margin: Entire; slightly and coarsely undulate. Petal texture and luster, upper surface: Smooth, glabrous; velvety; slightly glossy. Petal texture and luster, lower surface: Smooth, glabrous; slightly velvety; moderately glossy. Throat texture: Smooth, glabrous; velvety. Tube texture: Smooth, glabrous; slightly velvety. Color: Petal, when opening, upper surface: Close to N45A. Petal, when opening, lower surface: Close to 46A; towards the apex, tinged with close to 56D. Petal, fully opened, upper surface: Close to N45A; towards the apex, tinged with close to 46A; venation, similar to lamina color; color does not change with subsequent development. Petal, fully opened, lower surface: Close to 53B; towards the apex, flushed with close to N155B; midvein, close to 47B; color does not change with subsequent development. Throat: Close to 24A; at the base of the throat, close to 151C to 151D; venation, similar to lamina colors. Tube: Distally, close to 53B and proximally, close a blend of 145C and 150D; at the base, close to 144C; venation, similar to lamina colors. Sepals.—Quantity and arrangement: Five sepals arranged in a single whorl. Length: About 7 mm. Width: About 1.5 mm. Shape: Lanceolate. Apex: Narrowly acuminate. Base: Broadly cuneate and fused. Margin: Entire. Texture and luster, upper surface: Smooth, glabrous; moderately glossy. Texture and luster, lower surface: Smooth, glabrous; matte. Color: When developing, upper and lower surfaces: Close to 145D; towards the base, close to 144B; towards the apex, close to 184C. Fully developed, upper and lower surfaces: Close to 145D; towards the base, close to 144B; towards the apex, slightly tinged with close to 184B. Peduncles.—Length: About 7.2 cm. Diameter: About 2 mm. Strength: Strong. Aspect: About 30° from lateral branch axis. Texture and luster: Smooth, glabrous; moderately glossy. Color: Close to 143A. Pedicels.—Length: About 1.6 cm. Diameter: About 2 mm. Strength: Strong. Aspect: About 20° to 60° from peduncle axis. Texture and luster: Smooth, glabrous; moderately glossy. Color: Close to 144B. Reproductive organs.—Stamens: Quantity and arrangement: Typically five; basifixed; anthers connivent. Filament length: About 2 mm. Filament color: Close to 151D. Anther shape: Narrowly oblong. Anther size: About 1.75 mm by 9 mm. Anther color: Close to 160C. Pollen amount: None observed. Pistils: Quantity: Typically one. Pistil length: About 2.3 cm. Style length: About 2.1 cm. Style color: Close to 150D. Stigma diameter: About 1.75 mm. Stigma shape: Club-shaped, pointed. Stigma color: Close to 148C. Ovary color: Close to 144A. Seeds and fruits.—To date, seed and fruit production have not been observed on plants of the new Mandevilla. Pathogen & pest resistance: To date, plants of the new Mandevilla have not been noted to be resistant to pathogens and pests common to Mandevilla plants. Temperature tolerance: Plants of the new Mandevilla have been observed to tolerate temperatures ranging from about 5° C. to about 40° C. and to be suitable for USDA Hardiness Zones 9 to 13.