Denomination: 'Boriasko'
Botanical Name: Begonia ×hiemalis
Applicant/Holder: Koppe Royalty B.V.
Putterbrink 1
3881 LK
Breeder: Lubbertus H. Koppe, Koppe Royalty B.V., Putten, Netherlands
Agent in Canada: BioFlora Inc.
38723 Fingal Line
R.R. #1
St. Thomas, Ontario
N5P 3S5
Tel: 519-631-6241
Application Date: 2004-02-26
Application Number: 04-4064
Grant of Rights Date: 2005-12-07
Certificate Number: 2323
Grant of Rights Termination Date: 2023-12-07

Variety Description


'Boriasko' is an elatior begonia with medium height and broad width. There are a few basal shoots that have moderate number of branches with thick stems. The leaves are dark green in colour on the upper side and light green on the lower surface. The leaf blade is medium to broad in width and the midrib is long in length. Glossiness of the leaves on the lower surface is moderate. The base of the leaf blade is open to closed. The apex of the leaf blade is narrow to medium in width and acute in shape. The bi-serrate incisions on the margins of the leaf blade are shallow. Undulation of the margin is weak to medium. The bracts are medium in size, red in colour and have an acute shaped apex.

'Boriasko' produces an inflorescence which is medium to dense in density. The flowers are a double type with a large diameter, and medium number of petals. The petal size changes gradually from the outer petals to the inner petals. Colour of the outer petals of the flower is light red pink with dark pink red (margin upper side-RHS 37D, middle upper side-RHS 46D, middle lower side RHS 43C) and of the inner petals light blue pink with dark pink red (margin upper side-RHS 56D, middle upper side-RHS 46D, middle lower side-RHS 43C). Incisions on the petal margins is present. Undulation of the petal margins is present. The time of beginning of flowering for 'Boriasko' is medium both after shortday treatment and while under natural long days.

Origin & Breeding History: 'Boriasko' was discovered in Ermelo, The Netherlands in June 2000 as a naturally occurring whole plant mutation of Begonia x hiemalis cultivar 'Barkos'. 'Boriasko' was observed as a single flowering plant within a population of flowering plants of the parent cultivar 'Barkos'. It was selected based on its flower colour.

Tests & Trials: The detailed description is based on the UPOV report of Technical Examination, CPVO reference number 2001/1769, application number BGE 561, grant number 11266, purchased from the CPVO, Angers, France. The trials were conducted by the Bundessortenamt in Hannover, Germany in 2002.

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