Corokia Phantom Cultivar Leaf Color and Growth Traits
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Solution Overview
Problem
There is a need for a distinct cultivar of Corokia virgata that exhibits unique characteristics such as dark brown upper leaf surfaces, vigorous growth, and narrow leaves, which are not adequately met by existing cultivars like 'Frosted Chocolate' and the parent plants.
Innovation Solution
The development of a new cultivar, 'Phantom', which is derived from a cross between unidentified Corokia virgata cultivars and distinguished by its dark brown upper leaf surfaces, narrower and shorter leaves, and longer internode length, achieved through asexual reproduction by terminal cuttings.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Shape
If existing cultivars like 'Frosted Chocolate' are used, then the plant provides ornamental value, but the leaf color is grey-orange instead of dark brown and the leaves are wider and longer
Solution Approach 1:
The patent applies parameter changes by selecting and propagating plants with specific leaf color parameters (dark brown upper surface) and dimensional parameters (narrower, shorter leaves) that differ from existing cultivars. This systematic selection of plants with desired parameter values creates a distinct cultivar with unique ornamental characteristics.
2Productivity
If the plant exhibits vigorous growth, then it provides good growth habit, but it may require more maintenance and space
Solution Approach 1:
The patent utilizes parameter changes by selecting plants with specific growth rate parameters and growth habit parameters (upright, narrowly conical shape). This allows the cultivation of vigorous plants with desirable growth patterns that balance productivity with acceptable maintenance requirements.
3Shape
If the leaves are narrower and shorter, then the plant achieves compact form, but it may reduce overall plant size and foliage volume
Solution Approach 1:
The patent applies parameter changes by selecting plants with specific leaf dimension parameters (narrower, shorter leaves) while maintaining overall plant size through controlled growth habits. This creates a compact form factor that balances leaf dimensions with total foliage volume.
Data Source
AI summary
A new cultivar of Corokia plant named ‘Phantom’ that is characterized by narrow leaves that are colored dark brown on the upper surface and vigorous growth.