Delaware Wildflowers • Scientific names

Rosa multiflora Thunb. ex Murr.
Multiflora Rose
Rosaceae — Rose family
Invasive non-native
Rosa multiflora
Rosa multiflora
Deacons Walk Park
May 2001
Rosa multiflora
Middle Run Valley Natural Area
September 2009
Rosa multiflora
Witch's-broom or rose rosette.
Woodlawn Tract
April 2016
Rosa multiflora
White Clay Creek State Park -- Creek Road
May 2016
Rosa multiflora
Rosa multiflora
May 2018
Rosa multiflora
The pistils are united into a long column, a distinguishing feature of the species.

Rosa multiflora
Leaves have 7-9 leaflets.

Rosa multiflora
Fringed stipules are another distinguishing feature of this species.
Ashland
May 2019

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Photos copyright David G. Smith

Information from the Delaware Flora Checklist used with author's permission.

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