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UF06419

Coleus

Denomination: 'UF06419'
Trade name: Trusty Rusty
Botanical Name: Plectranthus scutellarioides
Applicant/Holder: Florida Foundation Seed Producers, Inc.
3913 Highway 71
Marianna, Florida
32446
United States of America
Breeder: David Clark, Greenwood, United States of America
Phuong N. Nguyen, Florida Foundation Seed Producers, Inc., Greenwood, United States of America
Agent in Canada: BioFlora Inc.
38723 Fingal Line
R.R. #1
St. Thomas, Ontario
N5P 3S5
Canada
Tel: 519-317-7511
Application Date: 2009-03-19
Application Number: 09-6561
Grant of Rights Date: 2011-09-14
Certificate Number: 4177
Date rights surrendered: 2012-09-14

Variety Description

Variety used for comparison: 'Rustic Orange'

Summary: The plants of 'UF06419' are taller and wider than the plants of 'Rustic Orange'. The stems of 'UF06419' have strong anthocyanin colouration in streaks while the stems of 'Rustic Orange' have medium anthocyanin at the nodes only. The leaf blade of 'UF06419' is wider than the leaf blade of 'Rustic Orange'. The upper side of the leaf blade is orange brown for 'UF06419' while the leaf blade of 'Rustic Orange' is light yellow brown with tones of orange brown. The margin on the leaf blade is yellow to light yellow with blotches of brown purple and brown for 'UF06419' while the margin is yellow and brown purple for 'Rustic Orange'. The petiole of 'UF06419' is longer than the petiole of 'Rustic Orange'.

Description:

PLANT: upright bushy growth habit, medium degree of branching
STEM: light green, strong anthocyanin colouration in streaks, medium pubescence, medium thickness, edged shape

LEAF: opposite arrangement, simple, ovate shape, acuminate apex, cuneate and truncate base, crenate margin, shallow to medium depth margin incisions, sparse pubescence on upper and lower side, variegation present
UPPER SIDE: midrib and secondary veins brown purple (redder than RHS 186A), interveinal area brown (RHS 172A-B) fading towards base with occasional spots of blue pink (RHS 63B-C), margin yellow to light yellow (RHS 8A-B) with blotches of brown purple (RHS 178A) and brown (RHS 172A)
LOWER SIDE: margin light yellow (RHS 8B), main colour brown green (lighter than RHS 148C), occasional blotches of brown purple (RHS 186A)
PETIOLE: weak to medium anthocyanin colouration.

Origin & Breeding History: The variety 'UF06419' originated as an open pollinated seed variety made at the University of Florida in Gainesville, Florida, USA in 2005. The female parent was the variety 'Elfers', characterized by its deep purple, green, red and gold multicoloured foliage, excellent vigour, heat tolerance, optimal branching habit and late flowering characteristics. The male parent is unknown. The initial selection was made in March 2006 and propagation since that time has been made through the use of vegetative cuttings. Selection criteria included stable leaf colour in sunny and shady locations, distinct variegated leaves, late flower induction, exceptional branching and growth habit.

Tests & Trials: Trials for 'UF06419' were conducted in a polyhouse during the summer of 2010 in St. Thomas, Ontario. The trial included a total of fifteen plants of the candidate and reference varieties. All plants were grown from rooted cuttings and transplanted into 15 cm pots on May 5, 2010. Observations and measurements were taken from ten plants or parts of plants on June 3, 2010. All colour determinations were made using the 2007 Royal Horticultural Society (RHS) Colour Chart.


Comparison tables for 'UF06419' with reference variety 'Rustic Orange'

Plant height (cm)

  'UF06419' 'Rustic Orange'
mean 24.2 16.1
std. deviation 2.00 1.17

Plant width (cm)

  'UF06419' 'Rustic Orange'
mean 37.6 29.6
std. deviation 1.85 2.32

Leaf blade width (cm)

  'UF06419' 'Rustic Orange'
mean 8.8 6.5
std. deviation 0.44 0.31

Colour of upper side of leaf blade (RHS)

  'UF06419' 'Rustic Orange'
interveinal area N172A-B, fading to N172A-D at base 163A-B with tones of 172D
margin 8A-B, blotches of 178A and 172A 7A at apex, 185B along base

Color of lower side of leaf blade (RHS)

  'UF06419' 'Rustic Orange'
main 148C (lighter than) 7B and 148C (more yellow than)
margin 8B 7B

Petiole length (cm)

  'UF06419' 'Rustic Orange'
mean 4.6 1.8
std. deviation 0.25 0.69

Click on image for larger view
UF06419
Coleus: 'UF06419' (left) with reference variety 'Rustic Orange' (right)

Click on image for larger view
UF06419
Coleus: 'UF06419' (left) with reference variety 'Rustic Orange' (right)

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