Denomination: 'PKMP03'
Botanical Name: Campanula portenschlagiana
Applicant/Holder: Gartneriet PKM A/S
Slettensvej 207-215
Odense N
Breeder: Gartneriet PKM A/S, Odense N, Denmark
Agent in Canada: Variety Rights Management
475 County Road 18
R.R. #2
Oxford Station, Ontario
K0G 1T0
Tel: 613-258-9015
Application Date: 2004-01-27
Application Number: 04-4015
Grant of Rights Date: 2008-02-04
Certificate Number: 3136
Date rights surrendered: 2010-03-30

Variety Description

Variety used for comparison: Campanula portenschlagiana

Summary: 'PKMP03' has a slightly larger plant than the species C. portenschlagiana. The leaf of 'PKMP03' is slightly narrower than the species C. portenschlagiana. 'PKMP03' has a shorter petiole than the species C. portenschlagiana. The corolla of 'PKMP03' is longer than the species C. portenschlagiana. 'PKMP03' has a white corolla colour with a slight tinge of light blue violet near the apex of the lobes while the corolla is light violet blue in the species C. portenschlagiana.


PLANT: vegetatively propagated perennial, upright bushy growth habit

STEM: medium green, absent or very sparse pubescence

LEAF: arranged in a rosette at the base and alternately along the stem, simple type, ovate shape, acute apex, obtuse to cordate base, dentate margin, medium green, no variegation, petiole present

INFLORESCENCE: flowers almost continuously in mid season for a medium amount of time, peduncle present, raceme type

FLOWER: single type, positioned terminally, erect and drooping attitude
SEPAL: acute apex, absent or very sparse pubescence
COROLLA: five partially fused small to medium sized lobes, campanulate shape, inner side of lobe white (RHS 155C) with light blue violet tinge (RHS 85D) at apex, outer side of lobe white (RHS 155C) with light blue violet tinge (RHS 76C) at apex

Origin & Breeding History: 'PKMP03' originated from a planned breeding program aimed at creating new Campanula cultivars with improved form/habit and floral traits. A cross was made during 2003 in Odense, Denmark between '08.02.03' as the female parent and '08.02.04' as the male parent. The new cultivar was selected based on plant habit and white flower colour, and named '0803302'.

Tests & Trials: Trials were conducted during the summer of 2006 in Oxford Station, Ontario. Trials consisted of 10 plants of each variety individually grown in 12.5 cm pots in a polyhouse. Plants were spaced 15cm apart.

Comparison tables for 'PKMP03' with reference variety Campanula portenschlagiana

Plant height (cm)

  'PKMP03' Campanula portenschlagiana
mean 13.00 8.71
std. deviation 0.76 1.62

Plant width (cm)

  'PKMP03' Campanula portenschlagiana
mean 18.57 15.38
std. deviation 2.23 3.20

Leaf width (cm)

  'PKMP03' Campanula portenschlagiana
mean 1.89 2.64
std. deviation 0.20 0.42

Petiole length (cm)

  'PKMP03' Campanula portenschlagiana
mean 1.60 3.66
std. deviation 0.61 0.74

Corolla length (cm)

  'PKMP03' Campanula portenschlagiana
mean 1.68 0.57
std. deviation 0.07 0.09

Corolla colour (RHS)

  'PKMP03' Campanula portenschlagiana
inner side 155C with 85D on lobes and at apex 91C
outer side 155C with 76C on lobes and at apex 91C

Click on image for larger view
Campanula: 'PKMP03' (left) with reference variety species Campanula portenschlagiana (right)

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