Moonraker Phormium Cultivar Variegated Foliage Compact Habit

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Solution Overview

Problem

There is a need for a new and distinct cultivar of Phormium that exhibits unique foliage characteristics and a compact, arching plant habit suitable for landscape and container use, as existing cultivars like 'Yellow Wave' and 'Cream Delight' lack specific variegation and size traits.

Innovation Solution

The development of the interspecific hybrid 'Moonraker' (Phormium cookianum × Phormium tenax) with variegated bright green margins and creamy yellow-green centers, small leaves, and a compact growth habit, achieved through asexual reproduction by division.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Shape

If existing cultivars like 'Yellow Wave' are used, then variegated foliage is achieved, but the green coloration is darker and less green-yellow, and the plant habit is less compact

Engineering Contradiction:
Improveplant habitVSAvoidfoliage coloration
Core Design Contradiction:
ShapeVSTemperature

Solution Approach 1:

The patent applies local quality by creating distinct color zones within the foliage - bright green margins contrasting with creamy yellow-green centers. This differentiation of local areas achieves the desired variegation pattern while maintaining a compact plant habit, resolving the contradiction between foliage color quality and plant shape.

Inventive Principle:
Principle #3Local quality

2Length of moving object

If existing cultivars like 'Yellow Wave' are used, then variegated foliage is achieved, but the leaves are larger in width and length

Engineering Contradiction:
Improveleaf sizeVSAvoidfoliage variegation
Core Design Contradiction:
Length of moving objectVSShape

Solution Approach 1:

The patent applies parameter changes by modifying leaf size parameters while maintaining the variegation pattern. The new cultivar 'Moonraker' produces leaves that are smaller in both width and length compared to 'Yellow Wave', yet preserves the creamy yellow-green and bright green variegation, thus resolving the contradiction between leaf size and foliage variegation quality.

Inventive Principle:
Principle #35Parameter changes

3Stability of the object's composition

If asexual reproduction by division is used, then stable and true-to-type reproduction is achieved, but propagation time is extended

Engineering Contradiction:
Improvecultivar stabilityVSAvoidpropagation time
Core Design Contradiction:
Stability of the object's compositionVSLoss of time

Solution Approach 1:

The patent applies preliminary action by performing division during autumn when the plant is naturally preparing for dormancy. This timing allows the divisions to establish roots before winter, reducing the overall propagation time while maintaining cultivar stability. The preliminary preparation of the plant through seasonal cycles accelerates the reproduction process without compromising genetic fidelity.

Inventive Principle:
Principle #10Preliminary action

Data Source

PatentUSPP21954P2Phormium plant named Moonraker
Publication Date: 2011.05.31 DEAN MARK
  • USPP21954P2 patent drawing
  • USPP21954P2 patent drawing

AI summary

A new cultivar of hybrid Phormium named ‘Moonraker’ that is characterized by its foliage that is variegated with bright green margins and creamy yellow-green centers, its slightly arching plant habit, its small leaves, and its compact plant habit.