Mona Lisa Sunny

Chrysanthemum

Variety Description

Variety used for comparison: 'Mona Lisa Yellow'

Summary: The outer side of the flower bud of 'Mona Lisa Sunny' is a slightly different yellow colour than the flower bud of 'Mona Lisa Yellow'. The ray floret of 'Mona Lisa Sunny' is yellow on the inner side while the ray floret of 'Mona Lisa Yellow' is yellow to yellow green on the inner side.

Description:

PLANT: 7 week response group, non-bushy, tall, green stem

LEAF: medium sized stipule, moderately upwards attitude of petiole with horizontal blade attitude, medium length petiole relative to leaf length, medium to long leaf including petiole, medium width, medium length/width ratio, medium to long terminal lobe relative to leaf length, obtuse base, medium green with weak glossiness of upper surface, few to medium number of very shallow to shallow margin indentations
LOWEST LATERAL SINUS: medium to deep, diverging margins

INFLORESCENCE: deeply domed form, narrow, small angle between primary lateral shoot and stem, upright to semi-upright attitude of lateral flower heads, few flower heads per stem
FLOWER BUD: yellow (RHS 2B) just before opening
FLOWER HEAD: semi-double, anemone type, medium diameter, medium height, medium length peduncle, very few to few rows of ray florets, many ray florets
RAY FLORETS: ligulate type only, horizontal attitude of basal part, upper surface ribbed, very short corolla tube, moderately concave profile in cross section at widest point, weakly revolute rolling of margin at distal half, short to medium length, medium to broad in width, low length/width ratio, mamillate tip, inner surface yellow (RHS 4B), outer surface yellow (RHS 4B)
LONGITUDINAL AXIS OF RAY FLORET: incurving at distal half, weak to medium curvature
DISC: medium diameter, medium to large diameter relative to head diameter, yellow-green (closest to RHS N144B) before anther dehiscence, yellow (RHS 7A) at anther dehiscence, enlarged tubular disc florets, florets short and yellow (RHS 5C).

Origin & Breeding History: The variety 'Mona Lisa Sunny' was discovered as a naturally occurring whole plant mutation of the variety 'Mona Lisa Yellow' in October 2005 in Hensbroek, The Netherlands. The variety was selected based on criteria for flower size, number of flowers per stem, stem branching and very good vase life. Propagation by cuttings was first conducted in October 2005 in Hensbroek, The Netherlands.

Tests & Trials: The detailed description of 'Mona Lisa Sunny' is based on the UPOV report of Technical Examination, application number 2007/2964, purchased from the Community Plant Variety Office in Angers, France. The trials were conducted by The National Institute of Agricultural Botany (NIAB) in Cambridge, United Kingdom, in 2009. Colour determinations were made using the 2007 Royal Horticultural Society (RHS) Colour Chart, 5th edition.

Comparison tables for 'Mona Lisa Sunny' with reference variety 'Mona Lisa Yellow'

Colour of flower bud just before opening (RHS)

Colour of inner side of ray floret (RHS)

Click on image for larger view

Chrysanthemum: 'Mona Lisa Sunny'