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Denomination: 'Scahawit'
Botanical Name: Scaevola aemula
Applicant/Holder: Syngenta Seeds B.V.
P.O. Box 2
1600 AA
Breeder: Henricus G.W. Stemkens, Syngenta Seeds B.V., Enkhuizen, Netherlands
Agent in Canada: BioFlora Inc.
38723 Fingal Line
R.R. #1
St. Thomas, Ontario
N5P 3S5
Tel: 519-317-7511
Application Date: 2005-10-25
Application Number: 06-5620
Date Withdrawn: 2008-08-25

Variety Description

Variety used for comparison: 'Scawihatis' (Whirlwind White)

Summary: 'Scahawit' has denser pubescence of the stems than 'Scawihatis'. The leaf blades of 'Scahawit' are lighter green on the upper and lower sides than those of 'Scawihatis'. The yellow marking on the inner side of the corolla throat of 'Scahawit' is small whereas it is medium in size for 'Scawihatis'.


PLANT: vegetatively propagated annual type, spreading/trailing growth habit, few branches, weak basal branching
STEM: medium green, absent to very weak anthocyanin colouration, medium pubescence, medium thickness, smooth surface

LEAF: arrangement on stem is alternate, simple type
LEAF BLADE: elliptic to obovate, acute apex with a mucronate tip, attenuate base, dentate margin, weak pubescence on upper side, medium dense pubescence on lower side, medium green on upper side, light green on lower side, no variegation

FLOWERING: almost continuous for a long time, beginning mid-season
FLOWER: positioned in axillary locations (solitary flowers at leaf axils)
COROLLA: fan shaped, five (5) corolla lobes, white on inner and outer sides
COROLLA LOBE: elliptic, mucronic tip, entire margin, very weak undulation of margin
COROLLA THROAT: small and yellow marking with green background on inner side, light green on outer side
COROLLA TUBE: yellow to light green on inner side

Origin & Breeding History: 'Scahawit' was developed by the breeder, Har Stemkens, an employee of Syngenta Seeds B.V. in Enkhuizen, The Netherlands. It orignated from an open pollination of a Scaevola aemula plant designated 'D0080-1' made in August 2002 in Sarrians, France. 'Scahawit' was selected as a single plant in May 2003 based on its' flower colour and earliness of flowering.

Tests & Trials: Trials for 'Scahawit' were conducted in a poly-house during the summer of 2007 at BioFlora Inc. in St. Thomas, Ontario. The trial included a total of fifteen (15) plants per variety. All plants were grown from rooted cuttings and transplanted into 15 cm pots on May 8, 2007. Observations and measurements were taken from ten (10) plants or parts of plants on July 10, 2007. All colour determinations were made using the 2001 Royal Horticultural Society (RHS) Colour Chart.

Comparison tables for 'Scahawit' with reference variety 'Scawihatis'

Colour of corolla throat marking (RHS)

  'Scahawit' 'Scawihatis'
inner side 7A with 145B-C background 7A with 145B-C background

Colour of corolla tube (RHS)

  'Scahawit' 'Scawihatis'
inner side 7A-145C 7A-145C

Click on image for larger view
Scaevola: 'Scahawit' (left) with reference variety 'Scawihatis' (right)

Click on image for larger view
Scaevola: 'Scahawit' (left) with reference variety 'Scawihatis' (right)

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