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Denomination: 'Xenox'
Botanical Name: Sedum
Applicant/Holder: Future Plants Licentie B.V.
Turfspoor 53A
2165 AW
Breeder: Hubertus Gerardus Oudshoorn, Rijpwetering, Netherlands
Agent in Canada: Variety Rights Management
475 County Road 18
R.R. #2
Oxford Station, Ontario
K0G 1T0
Tel: 613-258-9015
Application Date: 2005-04-26
Application Number: 05-4806
Grant of Rights Date: 2009-02-17
Certificate Number: 3451
Grant of Rights Termination Date: 2027-02-17

Variety Description

Variety used for comparison: 'Purple Emperor'

Summary: 'Xenox' has a darker purple stem than 'Purple Emperor'. The leaf of 'Xenox' is slightly larger than 'Purple Emperor'. 'Xenox' has a pinker tinge to the brown purple flower head/infloresence than 'Purple Emperor'.


PLANT: vegetatively propagated perennial, upright-bushy growth habit, medium degree of branching
STEM: purple, very strong anthocyanin colouration

LEAF: opposite whorled arrangement, simple type, ovate, acute apex, dentate margin, purple, very strong anthocyanin colouration, no variegation, no petiole

INFLORESCENCE: one medium to late flowering period, corymb to cyme type, terminal position, erect attitude
FLOWER: light yellow brown bud colour, blue pink to brown purple

Origin & Breeding History: 'Xenox' is the result of a cross between two un-named seedlings in 1998 in a nursery in Rijpwetering, the Netherlands. The un-named seedlings used in the cross were the result of a cross between 'Munstead Red' X 'Red Cauli'. The new variety was selected from the seedling population in 1999 based on improved form and floral traits.

Tests & Trials: Trials were conducted during the summer of 2007 in Oxford Station, Ontario. Fifteen plants of each variety were field grown in a row with 60 cm spacing between plants. Rows were spaced 1 meter apart.

Comparison tables for 'Xenox' with reference variety 'Purple Emperor'

Leaf length (cm)

  'Xenox' 'Purple Emperor'
mean 6.31 4.90
std. deviation 0.38 0.40

Leaf width (cm)

  'Xenox' 'Purple Emperor'
mean 4.04 2.25
std. deviation 0.38 0.21

Flower colour (RHS)

  'Xenox' 'Purple Emperor'
bud 158A/165D 182A/B
opened 186D to 185D 187D/186A to 186B/C

Click on image for larger view
Sedum: 'Xenox' (left) with reference variety 'Purple Emperor' (right)

Click on image for larger view
Sedum: 'Xenox' (left) with reference variety 'Novem' (right)

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