I was wondering about that watermark on Helene de Troie, too. Wish there was a better picture of it.
Did a search, Hélène de Troie does look similar but the teeth are larger and more pronounced... Found a nice picture of it at this site... https://www.daylily.se/index-k...
721-2 (HELENE DE TROIE x PUFFER FISH)
with two pictures showing the blooms that were crossed.
(Scroll about halfway down the page)
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