Denomination: 'Sundapin'
Trade name: Surfinia Summer Double Pink
Botanical Name: Petunia ×hybrida
Applicant/Holder: Suntory Flowers Limited
Administrative Division
4-17-5 Shiba, Minato-ku
Breeder: Nobutaka Akai, Miyazaki, Japan
Agent in Canada: BioFlora Inc.
38723 Fingal Line
R.R. #1
St. Thomas, Ontario
N5P 3S5
Tel: 519-631-6241
Application Date: 2012-03-12
Application Number: 12-7555
Grant of Rights Date: 2014-05-23
Certificate Number: 4799
Grant of Rights Termination Date: 2032-05-23

Variety Description

Variety used for comparison: 'AK101'

Summary: The leaf blades of 'Sundapin' are wider than those of 'AK101'. The pedicels of 'Sundapin' are longer than those of 'AK101'. The flowers of 'Sundapin' are larger than those of 'AK101'. The upper side of the corolla lobes of 'Sundapin' has medium conspicuousness of veins whereas that of 'AK101' has absent or very weak conspicuousness of veins. The corolla tube of 'Sundapin' is longer than that of 'AK101'. The inner side of the corolla tube of 'Sundapin' is white with weak conspicuousness of light green veins whereas that of 'AK101' is white with medium conspicuousness of dark violet to violet veins.


PLANT: mounding growth habit, medium shoot thickness on lower third

LEAF BLADE: ovate, narrow acute apex, no variegation, medium green on upper side, no blistering

SEPAL: linear, no anthocyanin colouration
FLOWER: double, funnelform, red to purple veins
COROLLA LOBE: one colour on upper side, upper side blue pink (RHS N74C, N74D) with purple (RHS N74B) veins, medium conspicuousness of veins on upper side, strong undulation of margin
COROLLA TUBE: inner side white (RHS NN155A) with light green (RHS 149B-C) veins, weak conspicuousness of veins on inner side
ANTHERS: yellowish white before dehiscence

Origin & Breeding History: 'Sundapin' originated as a naturally occurring branch mutation of the variety 'AK-Pet3', discovered in June 2009. The new plant was propagated by cuttings and grown in a controlled environment at Miyazaki-shi, Miyazaki, Japan. A trial was carried out from June 2009 to August 2010 where the botanical characteristics of the variety were examined. After determining that the new variety was distinguishable from any other varieties, and uniform and stable in its characteristics, the new variety was named 'Sundapin'.

Tests & Trials: Trials for 'Sundapin' were conducted in a polyhouse during the spring of 2013 in St. Thomas, Ontario. The trial included a total of 20 plants each of the candidate and reference variety. All plants were grown from rooted cuttings and transplanted into 15 cm pots on April 10, 2013. Observations and measurements were taken from 10 plants of each variety on May 14, 2013. All colour determinations were made using the 2007 Royal Horticultural Society (RHS) Colour Chart.

Comparison tables for 'Sundapin' with reference variety 'AK101'

Leaf blade width (cm)

  'Sundapin' 'AK101'
mean 2.1 1.3
std. deviation 0.30 0.15

Pedicel length (cm)

  'Sundapin' 'AK101'
mean 3.1 1.6
std. deviation 0.40 0.32

Flower diameter (cm)

  'Sundapin' 'AK101'
mean 5.1 3.9
std. deviation 0.43 0.25

Corolla tube length (cm)

  'Sundapin' 'AK101'
mean 2.3 1.6
std. deviation 0.17 0.15

Colour of corolla tube (RHS)

  'Sundapin' 'AK101'
inner side NN155A with 149B-C veins N155B with veins close to N77C-D

Click on image for larger view
Petunia: 'Sundapin' (left) with reference variety 'AK101' (right)

Click on image for larger view
Petunia: 'Sundapin' (left) with reference variety 'AK101' (right)

Click on image for larger view
Petunia: 'Sundapin' (left) with reference variety 'AK101' (right)

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