Lobmounwi

Lobelia

Denomination: 'Lobmounwi'
Trade name: Arcade Mounding White
Botanical Name: Lobelia erinus
Applicant/Holder: Syngenta Seeds B.V.
P.O. Box 2
1600 AA
Enkhuizen
Netherlands
Breeder: Theodorus C. M. van Kleinwee, Syngenta Seeds B.V., Enkhuizen, Netherlands
Agent in Canada: BioFlora Inc.
38723 Fingal Line
R.R. #1
St. Thomas, Ontario
N5P 3S5
Canada
Tel: 519-631-6241
Application Date: 2005-05-04
Application Number: 05-4835
Date Withdrawn: 2007-11-09

Variety Description

Varieties used for comparison: 'White Star' and 'Lobantis' (Arcade Mounding Pink)

Summary: 'Lobmounwi' has a shorter plant height than 'White Star'. The stem of 'Lobmounwi' is thicker than 'Lobantis' but thinner than 'White Star'. 'Lobmounwi' has a light green stem while in 'White Star' it is dark green. The stem of 'Lobmounwi' has anthocyanin colouration while the stem of 'Lobantis' has none. 'Lobmounwi' has a medium green leaf while in 'White Star' it is dark green. The lower leaf of 'Lobmounwi' is shorter than 'White Star'. 'Lobmounwi' has more pubescence on the upper side of the leaf than the reference varieties. The upper lobe of the corolla of 'Lobmounwi' is oblanceolate while in 'Lobantis' it is elliptic. 'Lobmounwi' has a white flower colour while it is light blue violet in 'Lobantis'.

Description:

PLANT: upright bushy growth habit, strong vigor, strong degree of branching

STEM: medium thickness, light green, weak anthocyanin colouration, weak pubescence

LEAF: alternate arrangement, simple type, elliptic to obovate shape, obtuse apex with mucronate tip, attenuate base, serrate margin, no variegation, medium green, medium pubescence on upper side

SEPAL: narrow triangular shape, no anthocyanin colouration

INFLORESENCE: raceme type
FLOWER: positioned both terminally and axillarily, outward attitude, no anthocyanin colouration of the pedicel
COROLLA: upper lobe oblanceolate, upper lobe apex cuspidate, upper lobe white on upper and lower side, lower lobe obovate, lower lobe white on upper and lower side, very small green brown (RHS 151A) palate

Origin & Breeding History: 'Lobmounwi' originated from a controlled cross made by the breeder during July 2000 in Enkhuizen, The Netherlands, between the female parent R 616 and the male parent 'White Star'. The initial selection was in May 2001 based on flower colour, plant habit, and early flowering.

Tests & Trials: Tests and trials were conducted in the summer of 2006 in St. Thomas, Ontario. Trials consisted of 15 plants of each variety, each individually grown in 11cm pots in a polyhouse. Observations and measurements were taken from 10 plants of each variety. All colour measurements were made using the 2001 Royal Horticultural Society (RHS) Colour Chart.


Comparison tables for 'Lobmounwi' with reference varieties 'White Star' and 'Lobantis'

Plant height (cm)

  'Lobmounwi' 'White Star' 'Lobantis'
mean 22.0 28.8 20.8
std. deviation 2.29 3.86 1.78

Lower leaf length (mm)

  'Lobmounwi' 'White Star' 'Lobantis'
mean 3.7 6.9 3.1
std. deviation 0.51 0.95 0.27

Corolla colour (RHS)

  'Lobmounwi' 'White Star' 'Lobantis'
upper lobe - upper side white white 76B-C with 76D margin
upper lobe - lower side white white 76B with 76D margin
lower lobe - upper side white white 76B-C with 76D margin
lower lobe - lower side white white 76B-D

Click on image for larger view
Lobmounwi
Lobelia: 'Lobmounwi' (left) with reference varieties 'White Star' (centre) and 'Lobantis' (right)

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