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WGI International Checklist of

Nymphaea (Waterlily) Cultivars


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1) Cultivar Name (Epithet):

Nymphaea ‘Kew’s Electric Indigo’


2) Hardy or tropical: Tropical day/night intersubgeneric      3) Day or night bloomer: Day

4) Originator: Carlos Magdalena, Royal Botanic Gardens, Kew       5) Year of origin: 2009

            6) Address: Removed to protect privacy

                        Richmond, Surrey, UK


7) Nominant (Named by): Carlos Magdalena, Royal Botanic Gardens Kew

            8) Address (if different from above):


9) Introducer: Carlos Magdalena, Royal Botanic Gardens Kew

10) Address (if different from above):


11) Applicant: Carlos Magdalena, Royal Botanic Gardens Kew

12) Address (if different from above):

3) Phone:  14) Fax:  15) Email:  Removed to protect privacy


16) As far as you know, has this name been published in a dated publication together with a description?   No


17) If yes to 16, give details of the earliest publication (title, date, publisher, etc.):


18) Has this cultivar been granted Patent or Plant Breeders' Rights, or is it being sold under a trade designation other than the name used here?   No


19) If yes to any of the above, please give details:


20) Has a Standard been deposited in a recognized herbarium?   No


21) If yes, please give details (where, when deposited, etc.):





Parentage: Seed (maternal) parent: N. Barre Hellquist


Pollen (paternal) parent: N. lotus (white form)



Please give following dimensions in centimeters.


Description ‑ Flower: Shape: Starry cup

Diameter: 18 cm.

Sepal color, exterior: Olive green, reddish at base         

            Sepal color, interior: Electric blue

            Sepal number: 4

            Petal color: Light blue

Petal number: 25

            Stamen: Filament color: White with some blue intrusions     

            Anther color: Yellow with some blue intrusions

            Tip color: White, yellow or blue

            Pedicel (flower stalk) color: Olive green

            Pedicel pubescent (fuzzy)? Yes

Fragrant? Lightly scented

Height above water: 40 cm.


Leaves: Shape: Nearly sagittate

            Margin: Dentate

            Length x width:  40 x 30 cm.

            Sinus: Partly overlapping

            Lobes: Pointed

            Color, top: Green with scattered rhomboid pale brown/reddish blotches

            Color, underside: Olive green/ purplish, occasionally brown especially when
                        unfurling, with “harlequin-like” rhomboid blue/purple blotches

            Petiole (leaf stem) color: Olive green

            Petiole pubescent? Slightly

            Viviparous? No

            Spread of plant (diameter): 200 cm.


What cultivar does this plant most closely resemble and how does it differ? N. ‘Barre Hellquist’. N. ‘Kew’s Electric Indigo’ has a red ring at the base of the sepals and the intersection with the flower pedicel. Also, ‘Kew’s Electric Indigo’ has blotched undersides, darker petioles, and more starry flowers.


Unusual characteristics or comments: First intersubgeneric hybrid between day bloomer and night bloomer species (subgenus Anecphya x subgenus Lotus)





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