Peonies forum: Two flower forms on the same plant

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Name: Carol Sandt
Lancaster County, Pennsylvania (Zone 6b)
Peonies Butterflies Region: Mid-Atlantic Hibiscus Daylilies Xeriscape
Hostas Roses Celebrating Gardening: 2015
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csandt
May 29, 2016 5:26 PM CST
I have some peonies that have more than one flower form on the same plant. Is this diversity the result of genetic instability of the particular cultivars where it is observed, something else or this just how peonies behave, i.e., nothing unusual?

It surprises and puzzles me because flower form seems to be such an important component of a cultivar's descriptuon.

Examples:

Bowl of Beauty, planted spring 2013:

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Louis Van Houtte, planted fall, 2012:

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Carol Sandt
"Hope is the simple trust that God has not forgotten the recipe for manna.” - W. Paul Jones in "Trumpet at Full Moon"
Name: Caroline Scott
Calgary (Zone 4a)
Charter ATP Member Region: Canadian Bulbs Winter Sowing Enjoys or suffers cold winters Lilies
Peonies Plant Lover: Loves 'em all! Garden Ideas: Master Level
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CarolineScott
May 30, 2016 7:38 AM CST
I am NOT an expert, but I think this happens until the plant is mature?
Name: Tracey
Wisconsin (Zone 5a)
Forum moderator Hybridizer Tomato Heads Pollen collector Hosted a Not-A-Raffle-Raffle Cat Lover
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magnolialover
Jun 2, 2016 6:56 AM CST

Moderator

Caroline, I think you are correct. Environmental factors can also be a possibility.
Tracey
Name: Tracey
Wisconsin (Zone 5a)
Forum moderator Hybridizer Tomato Heads Pollen collector Hosted a Not-A-Raffle-Raffle Cat Lover
I was one of the first 300 contributors to the plant database! Plant Database Moderator Charter ATP Member Garden Photography Seed Starter Region: Wisconsin
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magnolialover
Jun 2, 2016 12:50 PM CST

Moderator

Cs, at the APS show today and making particular notes in the field about flower form. There are definitely variations of flower form on some peony plants. And in a row of 50, each plant had some variation of bloom. I didn't notice it on all, but some did for sure. Wonder if some are just that way.

It was an interesting thing to look for today. Thanks for bringing it up here.
Tracey

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