Euphorbia nutans Lagasca y Segura. Phen: May-Oct. Hab: Fields, gardens, waste places, disturbed ground. Dist: NH west to MI and ND, south to Panhandle FL and TX; south into the Neotropics, and introduced in various places worldwide.
ID notes:The leaves tend to fold late in the day.
Origin/Endemic status: Native
Synonymy: = Ar, C, FNA12, GrPl, K3, K4, Mex, Mi, NE, NY, Pa, Tn, Tx, Va, W, Govaerts, Frodin, & Radcliffe-Smith (2000); = Chamaesyce hyssopifolia (L.) Small – S, misapplied; = Chamaesyce nutans (Lag.) Small – Fl2, GW2, Il, K1, NcTx, WH3; = Euphorbia maculata L. – F, RAB, WV, misapplied; = Euphorbia preslii Guss. – G