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Gandini Santiago

Rose of Sharon

Denomination: 'Gandini Santiago'
Botanical Name: Hibiscus syriacus
Applicant/Holder: van Aart Boomwekerijen
Groene Woud 33B
Oudenbosch
4731 GT
Netherlands
Breeder: Marinus Adrianus C. van Aart, van Aart Boomwekerijen, Oudenbosch, Netherlands
Francesco Gandini, Guidizzolo, Italy
Agent in Canada: BioFlora Inc.
38723 Fingal Line
R.R. #1
St. Thomas, Ontario
N5P 3S5
Canada
Tel: 519-317-7511
Application Date: 2016-02-19
Provisional Protection:: 2016-02-19
Application Number: 16-8826
Grant of Rights Date: 2020-03-16
Certificate Number: 6178
Grant of Rights Termination Date: 2040-03-16

Variety Description

Varieties used for comparison: 'Woodbridge' and 'Maike'

Summary: Plants of 'Gandini Santiago' have an upright growth habit whereas plants of both reference varieties have a semi-upright growth habit. The eye zone for 'Gandini Santiago' is medium to large relative to the petal whereas the eye zone for both reference varieties is small to medium sized. The inner side of the petal of 'Gandini Santiago' is violet whereas that of 'Woodbridge' is purple. The petals of 'Gandini Santiago' are medium to broad whereas those of 'Maike' are narrow.

Description:

PLANT: upright growth habit, very tall, medium to dense branching
CURRENT-YEAR BRANCH: greenish

LEAF BLADE: medium to long, medium width, length to width ratio is moderately elongated, obtuse base, medium green on upper side, shallow lobing, medium degree of undulation of margin, medium to many margin incisions, no variegation
PETIOLE: long

PEDICEL: medium length
FLOWER: semi-double type, few petaloid stamens, medium to large
OUTERMOST PETAL: strongly ascending to moderately ascending attitude, moderately overlapping arrangement
PETAL: medium to long, medium to broad, slightly elongated, violet (RHS N80C) on inner side, absent or weak incisions of margin, weak undulation
EYE ZONE: medium to large relative to petal, medium length extensions, dark purple red (more red than RHS 59A)
STAMINAL COLUMN: medium length

Origin & Breeding History: 'Gandini Santiago' originated as a chance seedling discovered by Francesco Gandini and developed by the breeder Marinus Adrianus Cornelis van Aart in Girona, Spain in August 2002. The new variety 'Gandini Santiago' was discovered in a nursery bed planted with seeds of unnamed Hibiscus syriacus plants and was selected based on plant growth habit, flower colour, flowering time and flower sterility. Asexual propagation by softwood cuttings was first conducted in September 2009, in Oudenbosch, Netherlands.

Tests & Trials: The detailed description of 'Gandini Santiago' is based on the UPOV report of Technical Examination, application number 2011/2898, purchased from the Community Plant Variety Office in Angers, France. The trial was conducted by the National Institute of Agricultural Botany in Cambridge, United Kingdom in 2013. Colour determinations were made using the 2007 Royal Horticultural Society (RHS) Colour Chart.


Comparison table for 'Gandini Santiago' with reference varieties 'Woodbridge' and 'Maike'

Colour of petal (RHS)

  'Gandini Santiago' 'Woodbridge' 'Maike'
inner side N80C closest to 70B, but slightly more red N/A

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Gandini Santiago
Rose of Sharon: 'Gandini Santiago'

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Gandini Santiago
Rose of Sharon: 'Gandini Santiago'

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