https://www.backyardgardener.com/plantname/nymphaea-madame-ganna-walska-tropical-waterlily/
Nymphaea ( Madame Ganna Walska Tropical Waterlily ) - Professional Gardening Tips
Jan 30, 2025 - 'Madame Ganna Walska' produces star-shaped fragrant flowers 3 to 8 inches across that have narrow pointed, violet-pink petals and bright yellow ovary
madame ganna walskagardening tipstropicalwaterlilyprofessional
https://pacifichorticulture.org/articles/madame-ganna-walska-2/
Pacific Horticulture | Madame Ganna Walska
A complex, whimsical character of extraordinary horticultural achievement.
madame ganna walskapacifichorticulture