Euphorbia x pseudovirgata (Schur) Soó
Family: Euphorbiaceae
Euphorbia x pseudovirgata image
University of Wisconsin - Madison (WIS-VP)  
Etymology: Euphorbia: for Euphorbus, corpulent Greek physician of Juba II, King of Mauretania. Juba, educated in Rome, and married to daughter of Antony and Cleopatra. From eu, "good" and phorbe, "pasture or fodder," thus giving euphorbos the meaning "well fed."
Plants: perennial forb
Flowers: blooms May-Aug.
Conservation Status: Introduced