Smooth Carrion-flower Greenbrier

(Smooth Carrion-flower)

Smilax herbacea
Smilacaceae — Greenbriar family
Native

Staminate flowers

Brandywine Creek State Park
May 2003

Pistillate flowers

Middle Run Valley Natural Area
May 2017

This photo may show S. pulverulenta.

White Clay Creek State Park -- Thompson Station Road
April 2014

More information on this plant, from other sources.