The Wonderful World of Intersectional Peonies
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Reverse Cross Hybrids

 
The intersectional cross can also be made in the reverse direction (i.e., tree peony x herbaceous), although the reciprocal cross is much more difficult.   Below are photos from a rare reciprocal cross hybrid produced from the cross (Age of Gold x Martha Washington).  Here again, as with many intersectional hybrids, the color of the opening flowers (top photo) is very different from that of the mature flowers (bottom).

Intersectional Hybrid Seedling # RC-95-01
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Reverse cross intersectional hybrid

   

Intersectional Hybrid Seedling # RC-95-01
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The reciprocal intersectional cross is exceedingly difficult.  Consequently, only a handful of such hybrids are currently in existence.  Surprisingly, this cross gives an abundance of seed.  Unfortunately, only a very small percentage (< 1%) of these seeds are viable.  The above reverse cross hybrid (RC-95-01) is one of only two such plants that have survived and grown for me.  The other (RC-96-02) has yet to bloom but, will probably do so next year.  RC-95-01 is from the cross (Age of Gold x Martha Washington).  RC-96-02 is from (Stolen Heaven x Martha Washington).

Reverse Cross Foliage

More RC-95-01

Comparison with Tree Peonies and Other Intersectional Hybrids