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Denomination: 'HORT200101'
Botanical Name: Rhododendron simsii
Applicant/Holder: Hortibreed NV
Beerveldse Baan 4
Breeder: Johan Vanderhaegen, Kruishoutem, Belgium
Agent in Canada: Variety Rights Management
475 County Road 18
R.R. #2
Oxford Station, Ontario
K0G 1T0
Tel: 613-258-9015
Application Date: 2010-05-19
Application Number: 10-6987
Grant of Rights Date: 2014-09-25
Certificate Number: 4876
Grant of Rights Termination Date: 2032-09-25

Variety Description

Variety used for comparison: 'Ospo'

Summary: The middle of the inner side of the corolla lobe of 'HORT200101' is a slightly different red than that of 'Ospo'. The corolla lobe of 'HORT200101' has very weak to weak undulation of the margin whereas that of 'Ospo' has strong to very strong undulation.


PLANT: broad bushy growth habit

YOUNG LEAF: dark green
MATURE LEAF: long, medium to broad, elliptic, upper side dark green, lower side light green, absent or very sparse hairiness on upper side

INFLORESCENCE: few flowers, flowering begins late
PEDICEL: long to very long pedicel
CALYX: none
FLOWER: medium diameter, semi-double, open funnel-shape, absent or weak fragrance
COROLLA LOBE: one colour on inner side, margin and middle of inner and outer sides red (RHS 45B), very weak to weak undulation of margin
COROLLA THROAT: absent or very weak conspicuousness of markings, markings are spots not touching each other, brown red markings, same colour as the middle of the inner side of the corolla lobe
ANTHER: purple

Origin & Breeding History: 'HORT200101' originated from the hybridization of two proprietary seedlings. The cross was conducted in 2001 at Kruishoutem, Belgium with final selection being made in December of 2002. 'HORT200101' was selected based on length of flowering, flower colour and branch colour.

Tests & Trials: The detailed description of 'HORT200101' is based on the UPOV report of Technical Examination, application number 20072347, purchased from the Community Plant Variety Office in Angers, France. The trials were conducted by the Bundessortenamt in Hannover, Germany in 2009. Colour determinations were made using the 2001 Royal Horticultural Society (RHS) Colour Chart.

Comparison table for 'HORT200101' with reference variety 'Ospo'

Colour of inner side of corolla lobe (RHS)

  'HORT200101' 'Ospo'
middle 45B 50A

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Azalea: 'HORT200101'

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Azalea: 'HORT200101'

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