According to Bleeding Hearts, Corydalis, and Their Relatives, this is a Japanese hybrid between Komakusa (Dicentra peregrina) , the Japanese and Siberian alpine species, and Wild Bleedingheart (Dicentra eximia) , the Appalachian species.

It has almost the exact same parentage as Bleeding Heart (Dicentra 'Ivory Hearts') , except that hybrid descended from a white-flowered form of D. eximia instead of a pink-flowered form. Bleeding Heart (Dicentra 'Burning Hearts') is another hybrid with the same parentage, with darker pink, almost red, flowers. These three hybrids were crossed by Akira Shiozaki.

Like its parent, D. peregrina, it doesn't like hot summers, but it's a gorgeous plant and grows well in a spot with morning sun and afternoon shade. Both this variety and 'Burning Hearts' have flowers that are about the same shape as D. peregrina. Maybe the difference is that the leaves are bigger, but I'm not sure, because I haven't seen the Japanese species in person.

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