Heuchera Ginger Snap Miniature Cultivar with Seasonal Leaf Color
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Solution Overview
Problem
Current Heuchera cultivars lack a compact, miniature form suitable for small pots with desirable leaf characteristics and flowering habits, and there is a need for a cultivar that reblooms throughout the spring, summer, and fall with specific color and texture features.
Innovation Solution
The development of Heuchera 'Ginger Snap', a new cultivar resulting from a cross between Heuchera K420-2 and Heuchera K360-1, characterized by small, heavily veiled, lightly ruffled leaves, short flowering stems, and a multi-crowned, low mounding habit, which reblooms and exhibits distinct color changes throughout the seasons.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If Heuchera cultivars are bred for compact miniature form, then suitability for small pots is improved, but leaf size and texture characteristics may be compromised
Solution Approach 1:
The patent applies parameter changes by selectively breeding for specific leaf characteristics (heavily veiled, lightly ruffled texture) while maintaining compact plant size. The cultivar K420-2 was developed through controlled cross-breeding and selection to achieve the optimal combination of small plant dimensions with desirable leaf texture, resolving the contradiction between miniaturization and leaf quality.
Solution Approach 2:
The invention applies local quality by focusing on specific regional characteristics of the leaves - the veiling pattern and ruffling texture - while maintaining overall plant compactness. The leaf margins and surfaces have specific textural properties that distinguish this cultivar, allowing the plant to be both miniature and have high-quality foliage characteristics.
2Duration of action of moving object
If Heuchera cultivars are bred for reblooming throughout spring, summer, and fall, then flowering duration is improved, but plant vigor and energy allocation may be compromised
Solution Approach 1:
The patent applies continuity of useful action by developing a cultivar that reblooms continuously from spring through fall. The plant maintains multiple flower spikes that emerge sequentially, ensuring uninterrupted flowering throughout the growing season. This continuous flowering habit is achieved through specific genetic combinations and environmental management while maintaining adequate plant vigor.
3Shape
If Heuchera cultivars are bred for specific leaf color characteristics (red brown to olive green), then aesthetic appearance is improved, but adaptability to environmental conditions may be reduced
Solution Approach 1:
The patent applies color changes by developing leaves with distinctive red brown to olive green coloration that provides both aesthetic appeal and environmental adaptability. The specific color combination indicates physiological adaptations to light conditions and stress responses, allowing the plant to maintain attractive foliage while thriving in various environmental conditions.
Data Source
AI summary
A new and distinct Heuchera plant characterized by small, heavily veiled, lightly ruffled leaves that are red brown in spring, winter leaves olive green with a white veil, very short flowering stems of pink flowers, reblooming all spring, summer, and fall, small, multi-crowned, low mounding habit, and good vigor.