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WGI International Checklist of

Nymphaea (Waterlily) Cultivars


Click images to enlarge


1) Cultivar Name (Epithet):

Nymphaea Thalia


2) Hardy or tropical: Hardy 3) Day or night bloomer: Day

4) Originator: Andreas Protopapas 5) Year of origin: 2002

6) Address: Removed to protect privacy

Nicosia 2331 Cyprus


7) Nominant (Named by): Andreas Protopapas

8) Address (if different from above):


9) Introducer: Andreas Protopapas

10) Address (if different from above):


11) Applicant: Andreas Protopapas

12) Address (if different from above):


13) 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? Yes


17) If yes to 16, give details of the earliest publication (title, date, publisher, etc.): Serrosen by Dieter Beehthold / Haro Hieronimus 2006 Dahne Verlag GmbH, Postfach 10 02 50, D-76256 Ettingen. ISBN 10:3-935175-33-7 and ISBN 13:978-3-935175-33-3


Also appears on the WGI web site galleries.


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: Known


Pollen (paternal) parent: Known


Please give following dimensions in centimetres


Description ‑ Flower: Shape: Star shaped

Diameter: Average 18 cm.

Sepal color, exterior: Green (RHS 144B and 144A) and

yellow/green on the base and along the sides of the petals (RHS 145D)

Sepal color, interior : Yellow/green (RHS 145D)

Sepal number: 4 Sepals. Sepals are pointed below the horizontal giving

the flower a globe like shape.

Petal color: Yellow (RHS 1A) moving to 5B on the inner petals.

Petal number: 40 to 44, sometimes up to 50

Stamen: Filament color: yellow (RHS 12A)

Anther color: : yellow (RHS 12A)

Tip color: : yellow (RHS 12A)

Number of Stamens: Around 57

Number of Carpellary Styles: Around 11, yellow (RHS 13A)

Pedicel (flower stalk) color: Green with brown lines along its length. Around 7mm diameter. Four air channels of equal size.

Pedicel pubescent (fuzzy)? Not hairy.

Fragrant? Fragrant like N. mexicana

Height above water: 0 - 7 cm.


Leaves: Shape: Orbicular

Margin: Entire

Length x width: Early leaves 8 cm. Later leaves around 12 cm.

Sinus: Open

Lobes: Slightly mucronate

Color, top: On early leaves green (RHS 147A) with black blotches (RHS 200A) and on mature leaves green (RHS 146B) with no blotches.

Color, underside: Green (RHS 147C) on early leaves and on mature eaves with blotches (RHS 200A) .

Petiole (leaf stem) color: brown, oval, sometimes completely round. Four air channels. Two are larger in diameter than the other two.

Petiole pubescent? Not hairy

Viviparous? No

Spread of plant (diameter): Medium size


What cultivar does this plant most closely resemble and how does it differ?




Unusual characteristics or comments:


Nymphaea Thalia is a star shaped waterlily with a large number of petals for a yellow cultivar.


More Images of N. Thalia





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