Verbena VERBDF Cultivar Compact Growth Night Fragrance
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Solution Overview
Problem
Existing Verbena bonariensis cultivars lack compact and uniform growth habits, attractive flower colors, and night fragrance, limiting their garden performance and aesthetic appeal.
Innovation Solution
A new cultivar, 'VERBDF', resulting from a controlled cross-pollination of proprietary Verbena bonariensis selections, exhibits a compact, upright growth habit, freely branching structure, narrowly oblanceolate leaves, and purple, night-fragrant flowers, distinguishing it from parent and comparable cultivars like 'Buenos Aires'.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Shape
If existing Verbena bonariensis cultivars are used, then garden performance is maintained at basic level, but compactness and uniform growth habit are insufficient
Solution Approach 1:
The patent applies parameter changes by selecting and propagating plants with specific measurable characteristics (compactness, uniform growth habit, flower color, fragrance) to create a cultivar that consistently exhibits these improved parameters. The breeding program monitored and selected for specific parameter values to achieve the desired compact form while maintaining reliable garden performance.
2Ease of manufacture
If existing Verbena bonariensis cultivars are used, then basic growth characteristics are maintained, but attractive flower colors and night fragrance are lacking
Solution Approach 1:
The patent applies local quality by developing a cultivar with specific localized characteristics - particularly dark purple flower color and night fragrance - that distinguish it from other Verbena cultivars. This localized enhancement of aesthetic qualities while maintaining overall plant health and adaptability creates a unique product with superior visual appeal and sensory characteristics.
3Manufacturing precision
If proprietary selections are crossed to create new cultivars, then unique characteristics are achieved, but breeding complexity increases
Solution Approach 1:
The patent applies preliminary action by conducting controlled cross-pollination between specific proprietary selections (BR and B1) with known characteristics before the breeding program begins. This pre-planned cross was designed to combine desirable traits from each parent, and the resulting progeny were systematically evaluated to select plants that true-to-type the desired characteristics, thereby managing complexity through structured planning.
4Volume of moving object
If compactness is enhanced in Verbena plants, then garden space utilization improves, but branching habit may be restricted
Solution Approach 1:
The patent applies local quality by achieving compact overall plant size while maintaining specific local characteristics of free branching. The cultivar exhibits compactness in its overall volume and height, yet the branch structure itself remains freely branching with appropriate density and distribution, creating a balanced form that optimizes both space utilization and aesthetic branching characteristics.
Data Source
AI summary
A new and distinct cultivar of Verbena plant named ‘VERBDF’, characterized by its relatively compact, upright to outwardly spreading plant habit; moderately vigorous to vigorous growth habit; freely branching habit; narrowly oblanceolate leaves; freely flowering habit; purple-colored flowers that are night fragrant; and good garden performance.