Hibiscus 'Starry Starry Night' Hybrid Plant Traits
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Solution Overview
Problem
Existing hardy herbaceous hibiscus cultivars lack a combination of dark greyed-purple foliage, large mound habit, prolonged flowering with pinwheel-color effect, and self-cleaning flowers with bright green calyx contrasting with dark foliage.
Innovation Solution
The development of Hibiscus 'Starry Starry Night', a hybrid resulting from crossing Hibiscus 'Crown Jewels' and 'Midnight Marvel', characterized by dark greyed-purple tri-lobed foliage, large, flat flowers with pinwheel-color effect, and self-cleaning petals, propagated through stem tip cuttings and sterile tissue culture.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If existing hardy herbaceous hibiscus cultivars are used, then they have various flower colors and forms, but they lack the specific combination of dark greyed-purple foliage, large mound habit, prolonged flowering with pinwheel-color effect, and self-cleaning flowers with bright green calyx
Solution Approach 1:
The patent combines multiple desirable traits from different parent cultivars into a single hybrid plant. The cross between 'Crown Jewels' (providing dark foliage and mound habit) and 'Midnight Marvel' (providing flower color and self-cleaning properties) results in a plant that exhibits all four key traits simultaneously: dark greyed-purple foliage, large mound habit, prolonged flowering with pinwheel-color effect, and self-cleaning flowers with bright green calyx.
2Reliability
If the plant is propagated through stem tip cuttings and sterile tissue culture, then propagation success is achieved, but propagation time and complexity increase
Solution Approach 1:
The propagation process is divided into two distinct methods: stem tip cutting propagation for rapid vegetative multiplication, and sterile tissue culture for producing disease-free plantlets. This segmentation allows growers to choose the appropriate method based on their specific needs, balancing reliability with time investment.
Solution Approach 2:
Sterile tissue culture is used as a preliminary step to produce healthy, disease-free plantlets before field propagation. This preliminary action ensures that subsequent stem tip cuttings taken from these plantlets will have higher success rates and better growth performance, reducing overall propagation time in the long run.
3Adaptability or versatility
If the plant produces many large flowers up to 22 cm across over a prolonged season, then aesthetic appeal is enhanced, but energy and resource consumption increase
Solution Approach 1:
The plant optimizes flower production parameters by producing flowers of substantial size (up to 22 cm) over an extended flowering season, rather than producing fewer smaller flowers or flowers over a brief period. This parameter change in flowering duration and flower size provides enhanced aesthetic appeal while the plant efficiently manages its energy resources through its perennial growth habit and dense branching structure.
Data Source
AI summary
A new and distinct cultivar of hardy herbaceous perennial Hibiscus hybrid plant named ‘Starry Starry Night’ comprising dense branching habit with dark greyed-purple, tri-foliate leaves over a large portion of the mound. The flowers are flat, upward and outward facing, with pinwheel-varying light-pink and magenta colored face, veins and speckles, and have a darker red eye.