The bright yellow of Billionaire is there with the blue of delpninidin.
The two combined gives you purple.
To check this out for yourself, put a petal of this seedling into
boiling hot water. the anthocyanin delphinidin is water soluble. The
yellow isn't. so after the anthocyanin has dissolved, you will see the
yellow. May need a couple of hot water treatments to get all the
rom: robert sutton <email@example.com>
To: iris-photos <firstname.lastname@example.org>
Sent: Sun, Apr 29, 2012 12:30 pm
Subject: [iris-photos] another seedling
Just opened, parentage is Billionaire x Now see This. strange how the
bright yellow color of Billionaire has become totally recessive