D144-2013  Paeonia rockii or Rock's Peony, a woody peony.

Peony Garden at Nichols Arboretum, Ann Arbor, Michigan
May 24, 2013
D144-2013  Paeonia rockii or Rock's Peony, a woody peony.

Peony Garden at Nichols Arboretum, Ann Arbor, Michigan
May 24, 2013
D144-2013  Paeonia rockii or Rock's Peony, a woody peony.

Peony Garden at Nichols Arboretum, Ann Arbor, Michigan
May 24, 2013
D137-2013 Paeonia suffruticosa 'Kissed Peach'
A woody tree peony.
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Hillside beds of the Peony Garden
Nichols Arboretum, Ann Arbor, Michigan
May 17, 2013
D141-2013 Paeonia suffruticosa 'Snow Kissed Peach'
A woody peony of the tree peony type.
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Peony Garden at Nichols Arboretum
Ann Arbor, Michigan
May 21, 2013
D141-2013 Paeonia suffruticosa 'Snow Kissed Peach'
A woody peony of the tree peony type.
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Peony Garden at Nichols Arboretum
Ann Arbor, Michigan
May 21, 2013
D141-2013 P. lactiflora 'Early Daybreak'
Bed 22, R1,C6, SW corner of bed.
Descended from P.lactiflora, P.macrophylla, P.mlokosewitschii, and P.peregrina. (Taken from BackyardGardener.com)
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Peony Garden at Nichols Arboretum
Ann Arbor, Michigan
May 21, 2013
Morning has broken.
Paeonia lactiflora 'Early Daybreak'

DP142-2013  Posted May 22; processed ditto.

This is a classic 'single' in terms of accepted descriptors for flower-type among peonies.  It has a single row of petals and retains pollen-bearing anthers atop narrow stamens.  It is consistently the first of the herbaceous peonies to bloom in the main beds of the Peony Garden.  Of course, the rock and tree peonies (woody peonies) bloom a few days earlier.

Peony Garden at Nichols Arboretum
Ann Arbor, Michigan
May 21, 2013

Bed 22, R1,C6, SW corner of bed.
Descended from P.lactiflora, P.macrophylla, P.mlokosewitschii, and P.peregrina. (Taken from BackyardGardener.com)
D142-2012 A virtual bowl full of pollen.

Peony Garden, Nichols Arboretum, Ann Arbor
May 23, 2012
(nex5n)
D144-2013 Paeonia rockii or Rock's Peony, a woody peony.

Peony Garden at Nichols Arboretum, Ann Arbor, Michigan
May 24, 2013
D144-2013  Paeonia rockii or Rock's Peony, a woody peony.

Peony Garden at Nichols Arboretum, Ann Arbor, Michigan
May 24, 2013
D144-2013 Paeonia rockii or Rock's Peony, a woody peony.

Peony Garden at Nichols Arboretum, Ann Arbor, Michigan
May 24, 2013
See photo in original gallery.