Hosta Cultivar One Last Dance Variegated Foliage and Tall Scapes
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Solution Overview
Problem
The existing hosta cultivars lack a combination of large habit, tall scapes with numerous flowers, and unique variegated foliage patterns, particularly with intense yellow margins and deep sinuate undulation, which are not adequately represented in the over 5,600 registered cultivars.
Innovation Solution
A new hosta cultivar, 'One Last Dance', characterized by a large rounded-mound habit, dense variegated foliage with wide, intense yellow margins, dark green centers, and long intermediate color streaks, soft lavender flowers on tall scapes, and deeply impressed veins, resulting from a naturally occurring mutation in Hosta 'Dancing Queen', propagated through division and tissue culture.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If existing hosta cultivars are used, then they have basic foliage and flower characteristics, but they lack the combination of large habit, tall scapes with numerous flowers, and unique variegated foliage patterns with intense yellow margins and deep sinuate undulation
Solution Approach 1:
The hosta cultivar exhibits distinct local quality variations across different parts of the foliage. The margins display intense yellow coloration with deep sinuate undulation, while the centers maintain dark green coloration. This spatial differentiation of color and texture properties creates a complex variegated pattern that enhances aesthetic versatility without requiring the entire plant structure to be complex.
Solution Approach 2:
The leaf margins feature deep sinuate undulation that creates asymmetric patterns along the leaf perimeter. This asymmetric folding and waviness of the margin provides visual complexity and aesthetic interest while maintaining the overall symmetry of the plant habit and foliage arrangement.
2Stability of the object's composition
If the cultivar is propagated through tissue culture, then reproductive consistency and stability are achieved, but propagation time and complexity increase
Solution Approach 1:
The cultivar was established through preliminary tissue culture work that created a stable, true-to-type propagation system. By performing the complex tissue culture establishment once to create the original cultivar, subsequent propagations can be performed more efficiently while maintaining phenotypic stability. The preliminary action of establishing the tissue culture protocol ensures consistent reproduction of the unique variegated pattern and growth characteristics.
3Productivity
If the plant has large habit and tall scapes with numerous flowers, then visual impact and ornamental value are enhanced, but plant size and resource requirements increase
Solution Approach 1:
The hosta cultivar achieves enhanced visual impact by growing vertically with tall scapes that elevate numerous flowers above the foliage canopy. This vertical dimension allows the plant to produce a large number of flowers (high productivity) without requiring proportional increases in horizontal foliage biomass. The tall scapes extend the flowering structure into a different spatial dimension, maximizing flower display while managing overall plant resource requirements.
Data Source
AI summary
A new and distinct Hosta plant named ‘One Last Dance’ with large rounded-mound habit of dense variegated foliage having blades of wide, intense, yellow margins developing to light yellow, and dark center with long, irregular, intermediate feathering colors. The plant produces large, soft lavender flowers in mid-summer on tall, slightly arching scapes well above the leaves with deeply impressed veins and wavy margins.