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Phantom

Eupatorium

Denomination: 'Phantom'
Botanical Name: Eupatorium
Applicant/Holder: Future Plants Licentie B.V.
Achter de Watertoren 11
2182 DV
Hillegom
Netherlands
Breeder: Hubertus Gerardus Oudshoorn, Rijpwetering, Netherlands
Agent in Canada: Variety Rights Management
475 County Road 18
R.R. #2
Oxford Station, Ontario
K0G 1T0
Canada
Tel: 613-258-9015
Application Date: 2006-02-15
Application Number: 06-5232
Grant of Rights Date: 2010-12-13
Certificate Number: 3988
Grant of Rights Termination Date: 2028-12-13

Variety Description

Variety used for comparison: 'Atropurpureum'

Summary: 'Phantom' has a taller plant height and wider plant width than 'Atropurpureum'. 'Phantom' has strong anthocyanin colouration in the stem while 'Atropurpureum' has medium anthocyanin. 'Phantom' has a shorter leaf blade than 'Atropurpureum'. 'Phantom' has a larger inflorescence diameter than 'Atropurpureum'.

Description:

PLANT: upright bushy growth habit, medium degree of branching
STEM: green purple, strong anthocyanin colouration

LEAF: whorled arrangement, simple, lanceolate to ovate shape, acuminate apex, serrate margin, upper side dark green, weak anthocyanin colouration, no variegation

INFLORESCENCE: one medium to long flowering period, flowers mid to late season, corymb, both terminal and axillary in position, erect attitude, flower bud violet to light blue violet (RHS 75C to 76C), open florets blue pink to violet (RHS N74D to 75A).

Origin & Breeding History: 'Phantom' is the result of a cross between two un-named seedlings made in 2002 in a nursery in Rijpwetering, The Netherlands. The new variety was selected from the seedling population in 2003 based on improved smaller plant form, good foliage traits and good floral traits.

Tests & Trials: Trials were conducted during the summer of 2009 in Oxford Station, Ontario. Nine plants of each variety were grown in 15 cm pots in a polyhouse. Plants were spaced approximately 60 cm apart. Observations and measurements were taken on 9 plants of each variety. Colours were determined using the 2001 Royal Horticultural Society (RHS) Colour Chart.


Comparison tables for 'Phantom' with reference variety 'Atropurpureum'

Plant height (cm)

  'Phantom' 'Atropurpureum'
mean 102.20 90.50
std. deviation 6.42 11.54

Plant width (cm)

  'Phantom' 'Atropurpureum'
mean 52.57 43.86
std. deviation 9.61 4.22

Leaf blade length (cm)

  'Phantom' 'Atropurpureum'
mean 16.58 18.17
std. deviation 1.43 1.29

Inflorescence width (cm)

  'Phantom' 'Atropurpureum'
mean 34.60 29.20
std. deviation 2.70 5.81

Click on image for larger view
Phantom
Eupatorium: 'Phantom' (left) with reference variety 'Atropurpureum' (right)

Click on image for larger view
Phantom
Eupatorium: 'Phantom' (left) with reference variety 'Atropurpureum' (right)

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