Denomination: 'Conblue'
Trade name: Supertunia Mini Blue Veined
Botanical Name: Petunia ×hybrida
Applicant/Holder: Plant 21 LLC
32149 Aquaduct Road
Bonsall, California
United States of America
Breeder: Ushio Sakazaki, Shiga, Japan
Agent in Canada: BioFlora Inc.
38723 Fingal Line
R.R. #1
St. Thomas, Ontario
N5P 3S5
Tel: 519-631-6241
Application Date: 2001-12-04
Application Number: 01-2892
Grant of Rights Date: 2003-10-08
Certificate Number: 1605
Grant of Rights Termination Date: 2021-10-08

Variety Description

Variety used for comparison: 'Revolution Blue Veined'

Summary: 'Conblue' has a more drooping growth habit than 'Revolution Blue Veined'. 'Conblue' has a shorter petiole than 'Revolution Blue Veined'. 'Conblue' differs slightly in flower colour from 'Revolution Blue Veined'.


'Conblue' has a drooping growth habit. The young shoots are medium in thickness and medium in length. The shoots have weak to medium anthocyanin colouration. The leaf blade is ovate in shape with an obtuse apex. The upper side of the leaf blade is medium green in colour with no variegation. There is a petiole present.

The sepal is linear in shape and has anthocyanin colouration present. The pedicel is short in length and medium in width. 'Conblue' has a single flower which is funnel form in overall shape. The corolla is light bluish-violet in colour, fading to a lighter shade as the flower ages. The veins on the inner side of the corolla lobe are medium to strong in conspicuousness. The margin of the corolla lobe has weak to medium undulation. The corolla tube is very short to short in length and the veins on the inner side are strong in conspicuousness. The inner side of the corolla tube is violet and white in colour. The anthers are blue in colour.

Origin & Breeding History: 'Conblue' originated from a cross made between 'Fantasy Ivory' as the female parent and an unidentified selection as the male parent. The original cross was made in December 1998 and a single plant was selected from the resulting progeny in September, 1999. The breeding work was conducted in Shiga Prefecture, Japan.

Tests & Trials: Tests and trials for 'Conblue' were conducted in a polyhouse in the summer of 2002 in St. Thomas, Ontario. The trials included 15 plants per variety. Rooted cuttings were transplanted into 11 cm pots on May 10, 2002. All colour characteristics were determined using the 2001 RHS colour chart and measured characteristics were based on ten plant measurements.

Comparison tables for 'Conblue' with reference variety 'Revolution Blue Veined'

Shoot length (cm)

  'Conblue' 'Revolution Blue Veined'
mean 30.0 36.1
std. deviation 3.8 5.51

Petiole length (mm)

  'Conblue' 'Revolution Blue Veined'
mean 6.6 10.8
std. deviation 2.01 1.48

Pedicel length (cm)

  'Conblue' 'Revolution Blue Veined'
mean 2.12 2.36
std. deviation 0.42 0.59

Colour of inner side of corolla (RHS)

  'Conblue' 'Revolution Blue Veined'
newly opened 76A-B N82B, N81B-C
fully opened white with 76C margins white with 84D, 76C

Colour of veins on inner side of corolla lobe (RHS)

  'Conblue' 'Revolution Blue Veined'
veins 77A 83A

Colour of inner side of corolla tube (RHS)

  'Conblue' 'Revolution Blue Veined'
main white white/84D
veins 77A 83A
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