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Denomination: 'Redana'
Trade name: Tukana Deep Red
Botanical Name: Glandularia ×hybrida
Applicant/Holder: Syngenta Crop Protection AG
Schwarzwaldallee 215
Breeder: Har Stemkens, Syngenta Seeds B.V., Enkhuizen, Netherlands
Agent in Canada: BioFlora Inc.
38723 Fingal Line
R.R. #1
St. Thomas, Ontario
N5P 3S5
Tel: 519-317-7511
Application Date: 2006-11-09
Application Number: 06-5666
Date Withdrawn: 2009-09-23

Variety Description

Variety used for comparison: 'Scarlena' (Tukana Scarlet)

Summary: 'Redana' has a slightly smaller diameter inflorescence than 'Scarlena'. The corolla lobe of 'Redana' has a weaker undulation of the margin than 'Scarlena'. 'Redana' has a darker red colour at the base of the corolla lobe than 'Scarlena'.


PLANT: semi-upright growth habit, short to medium height, medium to wide width
STEM: light green, weak to medium anthocyanin colouration on middle third

LEAF BLADE: short to medium length, very narrow to narrow, lanceolate to ovate shape, cuneate base, no divisions, dentate to serrate margin, medium green on upper side, no anthocyanin colouration on upper side
PETIOLE: very short to short

INFLORESCENCE: medium to large diameter, broad ovate in profile
CALYX: anthocyanin colouration present on teeth only
COROLLA: medium diameter, one colour, shaded colour pattern, lighter colour towards the apex of the lobes, red with dark purple red at the throat on the upper side, weakly fading change in colour with age, red to dark purple red lower side
COROLLA LOBES: free, incurved to straight along longitudinal axis, weak undulation of margin
COROLLA TUBE: long, tip of protruding hairs is light green with a pink spot

Origin & Breeding History: 'Redana' originated from a mutation of the verbena hybrida variety 'Scarlena' discovered in May 2001 in Enkhuizen, The Netherlands. 'Redana' was selected as a single plant in May 2001 based on flower colour and mildew tolerance.

Tests & Trials: Tests and trials were conducted in a poly house in the spring of 2008 in St. Thomas, Ontario. There were 15 plants of each variety individually grown in 12 cm plastic pots. All colour measurements were made using the 2001 Royal Horticultural Society Colour Chart.

Comparison tables for 'Redana' with reference variety 'Scarlena'

Inflorescence diameter (cm)

  'Redana' 'Scarlena'
mean 5.9 6.5
std. deviation 0.34 0.37

Main corolla colour (RHS)

  'Redana' 'Scarlena'
upper side 45B-45A with 46A at throat more orange than 45B with 45A at base
lower side 47B-C 50B

Click on image for larger view
Verbena: 'Redana' (left) with reference variety 'Scarlena' (right)

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