Bonmadwitim

Argyranthemum

Variety Description

Varieties used for comparison: 'OHMADLEVA' (Madeira White) and 'Argymonwhi' (Shere Monroe White)

Summary: The plants of 'Bonmadwitim' are larger with denser foliage than 'Argymonwhi'. 'Bonmadwitim' has larger leaf blade lateral lobes than 'Argymonwhi'. The leaf blades of 'Bonmadwitim' are light blue green while those of 'OHMADLEVA' are dark blue green and those of 'Argymonwhi' are light to medium green. 'Bonmadwitim' has more ray florets per flower than 'Arymonwhi'. After dehiscence, the floret disc of 'Bonmadwitim' is yellow orange while it is yellow for the reference varieties.

Description:

PLANT: upright bushy growth habit, medium height, medium to wide, dense foliage

LEAF BLADE: short to medium length, narrow to medium width, attenuate base, cuspidate apex, light blue green
LEAF BLADE LATERAL LOBE: short to medium length, narrow to medium width

PEDUNCLE: medium length, medium thickness
FLOWER: medium diameter, semi-double
RAY FLORET: average of 24.4 per flower, straight along longitudinal axis, short to medium length, medium to broad, 2.0:1 ratio of length to width, white on upper and lower sides
FLORET DISC: yellow to yellow orange before dehiscence, yellow orange after dehiscence
POLLEN: yellow orange

Origin & Breeding History: 'Bonmadwitim' originated as part of a controlled breeding program from a cross conducted on November 9, 2003 at Yellow Rock in New South Wales, Australia. The female parent was a priority breeding selection designated '03-46', characterized by its' single flower form, dark red flowers, medium green foliage and open, upright growth habit. The male parent was another proprietary breeding selection designated '03-164', characterized by its' single flower form, deep red flowers, medium green foliage and open, uneven growth habit. Initial selection of 'Bonmadwitim' was made on May 4, 2004 based on its' early flowering, flower form and large flower size.

Tests & Trials: Trials for 'Bonmadwitim' were conducted in a polyhouse during the spring of 2007 at BioFlora Inc. in St. Thomas, Ontario. The trials included 15 plants per variety. Rooted cuttings were transplanted into 15 cm pots on March 23, 2007. Measured characteristics were based on measurements taken from 10 plants or parts of plants on May 28, 2007. All colour determinations were made using the 2001 Royal Horticultural Society (RHS) Colour Chart.

Comparison tables for 'Bonmadwitim' with reference varieties 'OHMADLEVA' and 'Argymonwhi'

Plant height (cm)

Plant width (cm)

Leaf blade width (cm)

Leaf blade lateral lobe length (cm)

Leaf blade lateral lobe width (cm)

Number of ray florets per flower

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Argyranthemum: 'Bonmadwitim' (left) with reference varieties 'OHMADLEVA' (centre) and 'Argymonwhi' (right)

Click on image for larger view

Argyranthemum: 'Bonmadwitim' (left) with reference varieties 'OHMADLEVA' (centre) and 'Argymonwhi' (right)