Hosta 'Wheee!' Sinuate Leaf Mutation and Asexual Propagation
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Solution Overview
Problem
There is a lack of a Hosta cultivar with coarsely sinuate leaf blades, elliptic leaves with yellow margins and light green centers, and light lavender buds opening to white flowers, which are distinct and stable traits.
Innovation Solution
The development of Hosta 'Wheee!' which features intensely and coarsely sinuate leaf blades, elliptic leaves with yellow margins and light green centers, light lavender buds opening to white flowers, and broad persistent bracts that partially clasp and surround emerging shoots in a wavy sinuate form, achieved through asexual propagation and stable reproduction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Shape
If conventional Hosta cultivars are used, then they have standard foliage shapes and colors, but they lack the distinctive coarsely sinuate leaf blades with yellow margins and light green centers that provide unique ornamental value
Solution Approach 1:
The patent applies parameter changes by introducing a mutation that fundamentally alters the leaf blade morphology parameters - specifically creating coarsely sinuate edges, yellow margins, and light green centers. This mutation transforms the standard Hosta leaf parameters into unique ornamental characteristics that distinguish 'Wheee!' from all other cultivars.
2Reliability
If Hosta 'Wheee!' with unique traits is propagated, then distinctive ornamental characteristics are achieved, but the complexity of maintaining stable reproduction increases
Solution Approach 1:
The patent employs copying through asexual propagation methods (division and tissue culture) to replicate the unique mutant plant. This ensures that all offspring are exact copies of the original mutation, maintaining stable reproduction of the distinctive traits without the complexity of sexual reproduction and genetic recombination.
3Object-affected harmful factors
If broad persistent bracts are present to surround emerging shoots, then unique ornamental protection is provided, but the complexity of plant structure increases
Solution Approach 1:
The patent applies self-service through the development of broad persistent bracts that automatically surround and protect emerging shoots without external intervention. The bracts perform the protective function inherently as part of the plant's natural growth structure, providing ornamental protection while the plant tends to itself.
Data Source
AI summary
A new and distinct Hosta plant named ‘Wheee!’ characterized by light lavender flowers on strong erect scapes over broadly horizontal mounds of intensely-sinuate elliptic leaves having yellow margins, leaf blade centers of light green. Hosta ‘Wheee!’ emerges in the spring with distinct, broad, intensely-sinuate bracts or intermediate leaves partially clasping and surrounding emerging shoots, petioles and expanding leaves.