Coreopsis Core Yel Compact Habit Red Eye Inflorescence
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Solution Overview
Problem
There is a need for a new and distinct cultivar of Coreopsis hybrida that exhibits specific traits such as compact, upright growth, vigorous branching, and unique inflorescence coloration, which are not adequately met by existing Coreopsis cultivars like Coreopsis grandiflora and Coreopsis 'Flying Saucer'.
Innovation Solution
The cultivar 'Core Yel' is developed through open-pollination of Coreopsis grandiflora and an unknown selection of Coreopsis hybrida, characterized by a compact, upright, and freely branching habit with bright yellow ray florets and a red-colored 'eye', differing from its parents and other cultivars like 'Flying Saucer' in compactness, branching, inflorescence size, and coloration.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Shape
If existing Coreopsis cultivars like Coreopsis grandiflora and Coreopsis 'Flying Saucer' are used, then they provide flowering performance, but they lack compact growth habit and unique inflorescence coloration with red eye
Solution Approach 1:
The patent applies local quality by introducing a specific red-colored eye region in the center of the yellow inflorescence, creating a distinct visual contrast that differentiates this cultivar from others. The red eye is localized to the center of the ray florets, providing unique coloration without changing the overall yellow appearance of the flower.
Solution Approach 2:
The patent achieves asymmetry through the compact, upright plant habit that differs from the more spreading habit of parent cultivars. The inflorescences are positioned to create an asymmetric, naturally spreading appearance while maintaining overall plant compactness, giving the cultivar a distinctive form not seen in standard Coreopsis varieties.
2Adaptability or versatility
If open-pollination breeding is used to create new cultivars, then genetic diversity and unique traits are achieved, but stability and true-to-type reproduction must be verified
Solution Approach 1:
The patent employs self-service through asexual reproduction by vegetative cuttings, which allows the plant to propagate itself while maintaining genetic stability. This propagation method ensures that the unique traits developed through open-pollination are consistently reproduced without the need for repeated sexual breeding, verifying both genetic stability and true-to-type reproduction.
3Volume of moving object
If compact, upright growth habit is selected for, then plant size is reduced and garden performance is improved, but inflorescence size and branching may be compromised
Solution Approach 1:
The patent resolves the contradiction by changing the dimensional distribution of growth. Instead of horizontal spreading, the plant achieves compactness through vertical orientation with inflorescences held above the foliage on strong peduncles. This vertical dimension allows the plant to maintain small footprint while still producing large, prominent flowers that exceed the inflorescence size of parent cultivars.
Data Source
AI summary
A new and distinct cultivar of Coreopsis plant named ‘Core Yel’, characterized by its compact, upright and somewhat outwardly spreading plant habit; vigorous growth habit; freely branching habit; freely flowering habit; flat and full single inflorescences with bright yellow-colored ray florets and a red-colored “eye”; and strong peduncles.