Inneuphhel

Euphorbia

Denomination: 'Inneuphhel'
Trade name: Helena
Botanical Name: Euphorbia
Applicant/Holder: InnovaPlant Zierpflanzen GmbH & Co. KG
Postfach 113
D-55454
Gensingen
Germany
Breeder: Ludwig Kientzler, InnovaPlant Zierpflanzen GmbH & Co. KG, Gensingen, Germany
Agent in Canada: BioFlora Inc.
38723 Fingal Line
R.R. #1
St. Thomas, Ontario
N5P 3S5
Canada
Tel: 519-631-6241
Application Date: 2005-03-02
Application Number: 05-4615
Grant of Rights Date: 2007-08-17
Certificate Number: 2829
Date rights surrendered: 2015-07-07

Variety Description

Variety used for comparison: 'Imprefant'

Summary: 'Inneuphhel' differs from the reference variety, 'Imprefant' in the main colour of the upper and lower surfaces of the leaf blade and presence and colour of variegation. The main colour of the upper surface of the leaf blade of 'Inneuphhel' is medium green whereas it is dark green in 'Imprefant'. The main colour of the lower surface of the leaf blade of 'Inneuphhel' is medium grey-green whereas it is medium green in 'Imprefant'. The foliage of 'Inneuphhel' has yellow variegation around the margins whereas there is no variegation in 'Imprefant'.

Description:

PLANT: upright to bushy growth habit, medium degree of branching
STEM: light green, strong anthocyanin colouration, weak glaucosity, strong pubescence, large diameter, smooth surface

LEAF: simple type, whorled or alternate arrangement along stem, oblanceolate, acute apex, attenuate base, entire margins, medium to dense very short pubescence on upper side, dense and short pubescence on lower side, no glaucosity, variegation present, medium green upper side, medium grey green lower side, medium anthocyanin colouration on lower side of new leaves, medium length petiole

Origin & Breeding History: 'Inneuphhel' was a naturally occurring mutation of Euphorbia x 'Efanthia' discovered at Gensingen, Germany in May 2000. Selection criteria included variegated foliage, colour of newly opened leaves, slow growth rate and tolerance to foliage droop and twisting under cool growing conditions. Reproduction of the new variety by vegetative cuttings first began in May 2000.

Tests & Trials: The tests and trials for 'Inneuphhel' were conducted in a greenhouse at BioFlora Inc. in St. Thomas, Ontario during the summer of 2006. The trial included a total of 15 plants of both the candidate and reference varieties. All plants were grown from rooted cuttings and transplanted into 11 cm pots on May 10, 2006. Observations and measurements were taken from 10 plants of each variety on July 11, 2006. Observations on fall colours were made on October 30, 2006. All colour measurements were determined using the 2001 Royal Horticultural Society (RHS) Colour Chart.


Comparison tables for 'Inneuphhel' with reference variety 'Imprefant'

Plant height (cm)

  'Inneuphhel' 'Imprefant'
mean 21.9 18.0
std. deviation 1.59 0.70

Plant width (cm)

  'Inneuphhel' 'Imprefant'
mean 23.2 21.6
std. deviation 1.74 1.53

Leaf length (cm)

  'Inneuphhel' 'Imprefant'
mean 6.8 6.2
std. deviation 0.53 0.25

Colour of upper side of leaf blade (RHS)

  'Inneuphhel' 'Imprefant'
main 147A-B 147A
variegation along margin 6C-2B absent

Colour of leaf blade (RHS)

  'Inneuphhel' 'Imprefant'
lower side darker than 191A 147B

Anthocyanin colouration of leaf blade (RHS) on newly opened leaves

  'Inneuphhel' 'Imprefant'
upper side 39A on margin and overlaying the green surface 183C tones overlaying green surface (147A)
lower side 45D on margin, strong anthocyanin 187C strong anthocyanin (183C) with 183B mid-rib

Colour of upper side of leaf blade in fall (RHS)

  'Inneuphhel' 'Imprefant'
main N138A with tones of 137A and weak anthocyanin close to 147A
variegation along margin 10B absent

Colour of lower side of leaf blade in fall (RHS)

  'Inneuphhel' 'Imprefant'
main N138C with medium anthocyanin 147B
variegation along margin 10B absent

Click on image for larger view
Inneuphhel
Euphorbia: 'Inneuphhel' (left) with reference variety 'Imprefant' (right)

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