OPSTAL50
| Denomination: | 'OPSTAL50' |
|---|---|
| Botanical Name: | Leucothoe keiskei |
| Applicant/Holder: |
Ron van Opstal Holding BV St. Willebrordusstraat 3 Zundert 4882 NM Netherlands |
| Breeder: |
Ron van Opstal, Ron van Opstal Holding BV, Zundert, Netherlands |
| Agent in Canada: |
BioFlora Inc. 38723 Fingal Line R.R. #1 St. Thomas, Ontario N5P 3S5 Canada Tel: 519-317-7511 |
| Application Date: | 2017-02-21 |
| Provisional Protection:: | 2017-02-21 |
| Application Number: | 17-9102 |
| Grant of Rights Date: | 2019-02-06 |
| Certificate Number: | 5915 |
| Date rights surrendered: | 2020-02-06 |
Variety Description
Variety used for comparison: 'Royal Ruby'
Summary: The length of the leaf blade of 'OPSTAL50' is shorter than the leaf blade of 'Royal Ruby'. The upper side of the young leaf blade of 'OPSTAL50' is brown green with very strong intensity of red purple anthocyanin colouration whereas the young leaf blade of 'Royal Ruby' is brown green with medium to strong intensity of red to red purple anthocyanin colouration.
Description:
PLANT: erect attitude
STEM: light green with red brown flush, medium to strong intensity of anthocyanin colouration
PETIOLE: red, strong intensity of anthocyanin colouration
YOUNG LEAF BLADE: upper side is brown green (RHS N137B) with very strong intensity of red purple anthocyanin colouration throughout blade, lower side is light green with medium to strong intensity of red purple anthocyanin colouration
LEAF BLADE: upper side is brown green (RHS N137B) throughout blade, lower side is light green, ovate shape, acuminate apex, attenuate base, no bulging, weakly recurved along longitudinal axis
Origin & Breeding History: 'OPSTAL50' was discovered and developed by the breeder, Ron Van Opstal, owner of Ron Van Opstal Holding B.V. in Zundert, Netherlands. It was discovered in May 2008, as a naturally occurring branch mutation of the Leucothoe keiskei variety 'Royal Ruby' which was growing in a container in Zundert. 'OPSTAL50' was selected in 2009 for its leaf appearance and leaf colour that changes throughout the growing season. 'OPSTAL50' was first propagated asexually by stem cuttings in January 2009, in Zundert, Netherlands.
Tests & Trials: The detailed description of 'OPSTAL50' is based on the UPOV report of Technical Examination, application number 2013/1363, purchased from the Community Plant Variety Office in Angers, France. The trial was conducted by the Naktuinbouw - Variety Center in Roelofarendsveen, Netherlands, in 2014. The colour determinations were made using the 2007 Royal Horticultural Society (RHS) Colour Chart.
Comparison tables for 'OPSTAL50' with reference variety 'Royal Ruby'
Leaf blade length (cm)
| 'OPSTAL50' | 'Royal Ruby' | |
|---|---|---|
| approximate length | 7.0 | 8.5 |
Main colour of young leaf blade (RHS)
| 'OPSTAL50' | 'Royal Ruby' | |
|---|---|---|
| upper side | N137B with very strong intensity of red purple anthocyanin colouration | N137B with medium to strong intensity of red to red purple anthocyanin colouration |
Click on image for larger view
Leucothoe: 'OPSTAL50'
Click on image for larger view
Leucothoe: 'OPSTAL50'
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