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SHIMRR38

Rose of Sharon

Denomination: 'SHIMRR38'
Trade name: Lil' Kim Red
Botanical Name: Hibiscus syriacus
Applicant/Holder: Spring Meadow Nursery, Inc.
12601 120th Avenue
Grand Haven, Michigan
49417
United States of America
Breeder: Shim Kyung-Ku, Republic of Korea
Agent in Canada: BioFlora Inc.
38723 Fingal Line
R.R. #1
St. Thomas, Ontario
N5P 3S5
Canada
Tel: 519-317-7511
Application Date: 2014-07-25
Application Number: 14-8407
Date Withdrawn: 2020-01-15

Variety Description

Variety used for comparison: 'SHIMRV24' (Lil' Kim Violet)

Summary: The leaf blade of 'SHIMRR38' is larger than the leaf blade of 'SHIMRV24'. The pedicel of 'SHIMRR38' is longer than the pedicel of 'SHIMRV24'. The flower diameter of 'SHIMRR38' is larger than that of 'SHIMRV24'. The petal of 'SHIMRR38' is wider than the petal of 'SHIMRV24'. The inner side of the petal of 'SHIMRR38' is mainly blue pink with faded violet tones whereas the petal of 'SHIMRV24' is violet with darker violet tones.

Description:

PLANT: upright to semi-upright growth habit, dense branching
CURRENT-YEAR-SHOOT: light brown

LEAF BLADE: length to width ratio is slightly to moderately elongated, broadly acute base, medium to dark green on upper side, shallow to medium depth lobing, medium degree of undulation of margin, few to medium number of incisions of margin, no variegation

FLOWER: single type
OUTERMOST PETAL: strongly ascending attitude, moderately overlapping arrangement
PETAL: moderately elongated, mainly blue pink (RHS N74C, as dark as 72C) with faded violet (close to RHS 75B) tones on inner side, absent or very weak incisions of margin, weak undulation
EYE ZONE: small to medium sized relative to petal, short extensions, dark purple red (closest to RHS 60A)

Origin & Breeding History: 'SHIMRR38' originated from a cross conducted by the breeder, Kyung-Ku Shim, in Suwon, South Korea. The cross was made in July 2001 between the Hibiscus syriacus variety 'SKK 14-1-15', as the female parent, and the Hibiscus variety 'Songam', as the male parent. From the resulting progeny, 'SHIMRR38' was selected in August 2003 for its bloom and flower colour. 'SHIMRR38' was first asexually propagated by softwood cuttings and grafting in March 2004 in Suwon, South Korea.

Tests & Trials: The comparative trial of 'SHIMRR38' was conducted in an outdoor irrigated container trial during the spring and summer of 2018, at BioFlora Inc., in St. Thomas, Ontario. The trial included a total of 12 shrubs each of the candidate and reference variety. All shrubs were grown from 5.7 cm liners, planted into 9 litre containers on July 19, 2017. The plants were overwintered in an un-heated polyhouse. The observations and measurements were taken from 10 plants, or parts of plants, of each variety on July 11, 2018. All colour determinations were made using the 2007 Royal Horticultural Society (RHS) Colour Chart.


Comparison tables for 'SHIMRR38' with reference variety 'SHIMRV24'

Leaf blade length (cm)

  'SHIMRR38' 'SHIMRV24'
mean 6.33 5.24
std. deviation 0.36 0.50

Leaf blade width (cm)

  'SHIMRR38' 'SHIMRV24'
mean 4.27 3.13
std. deviation 0.57 0.33

Pedicel length (cm)

  'SHIMRR38' 'SHIMRV24'
mean 2.12 1.26
std. deviation 0.20 0.22

Flower diameter (cm)

  'SHIMRR38' 'SHIMRV24'
mean 11.1 8.73
std. deviation 0.58 0.64

Petal width (cm)

  'SHIMRR38' 'SHIMRV24'
mean 4.31 3.67
std. deviation 0.09 0.30

Colour of petal (RHS)

  'SHIMRR38' 'SHIMRV24'
inner side N74C, as dark as 72C, with faded 75B tones N80C, N81C with darker N78A tones

Click on image for larger view
SHIMRR38
Rose of Sharon: 'SHIMRR38' (left) with reference variety 'SHIMRV24' (right)

Click on image for larger view
SHIMRR38
Rose of Sharon: 'SHIMRR38' (left) with reference variety 'SHIMRV24' (right)

Click on image for larger view
SHIMRR38
Rose of Sharon: 'SHIMRR38' (left) with reference variety 'SHIMRV24' (right)

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