Distylium Cultivar With Compact Habit and Bronze New Foliage

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Solution Overview

Problem

Existing Distylium cultivars lack compact habit, bright and colorful foliage, and short internodes, with limited disease and pest resistance, necessitating the development of a new cultivar with improved aesthetic and durability traits.

Innovation Solution

The development of Distylium buxifolium 'ZhDis12-16', a cultivar with a round growing form, dwarf habit, dense foliage, bronze new leaves, and resistance to diseases and pests, achieved through open pollination and vegetative propagation, exhibiting stable characteristics across varying environmental conditions.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Shape

If traditional Distylium cultivars are used, then the plants can grow, but they lack compact habit and have long internodes

Engineering Contradiction:

Improvecompact habitVSAvoidinternode length

Core Design Contradiction:

ShapeVSLength of stationary object

Solution Approach 1:

The patent applies parameter changes by selecting and propagating a cultivar with specifically modified growth parameters - short internodes and compact habit - through vegetative propagation to maintain these altered parameters across generations, resolving the contradiction between traditional growth patterns and desired compact form

Inventive Principle:

Principle #35Parameter changes

2Reliability

If traditional Distylium cultivars are used, then the plants can survive, but they have limited disease and pest resistance

Engineering Contradiction:

Improvedisease and pest resistanceVSAvoiddisease and pest susceptibility

Core Design Contradiction:

ReliabilityVSObject-affected harmful factors

Solution Approach 1:

The patent employs self-service by selecting a cultivar that inherently possesses disease and pest resistance traits, requiring minimal external intervention for protection, thereby improving reliability while reducing susceptibility to harmful factors through the plant's own biological properties

Inventive Principle:

Principle #25Self-service

3Illumination intensity

If traditional Distylium cultivars are used, then the plants can grow, but they lack bright and colorful foliage

Engineering Contradiction:

Improvefoliage color brightnessVSAvoidfoliage color variation

Core Design Contradiction:

Illumination intensityVSEase of manufacture

Solution Approach 1:

The patent directly applies color changes by selecting and propagating a cultivar with distinctive bronze new leaves and emerald green mature foliage, creating vibrant color contrast that improves illumination intensity perception while maintaining ease of cultivation through stable inheritance of these color traits

Inventive Principle:

Principle #32Color changes

Data Source

PatentUSPP37115P2<i>Distylium </i>plant named ‘ZhDis12-16’

Publication Date: 2025.12.02 UNIVERSITY OF GEORGIA RESEARCH FOUNDATION INC

AI summary

A new and distinct cultivar of Distylium buxifolium plant named ‘ZhDis12-16’, characterized by a combination of rounded form with outward spreading, compact growing habit, bronze new foliage, and dense branches and leaves, and no notable disease and pest susceptibility.