Euphorbia heterophylla Linnaeus. Fiddler’s Spurge, Mexican Fireplant, Catalina, Jacob's-ladder. Phen: Jan-Dec. Hab: Disturbed areas. Dist: VA, NC, SC, GA, TX, and NM south through Mexico, Central America, and South America; some of the distribution is likely by introduction.

Origin/Endemic status: Native

Synonymy: = Bah, FNA12, K1, K3, K4, Mex, Tx, Govaerts, Frodin, & Radcliffe-Smith (2000), Smith & Krings (2018); = Euphorbia heterophylla L. var. heterophylla – RAB; = n/a – C; = Poinsettia heterophylla (L.) Klotzsch & Garcke ex Klotzsch – Fl2, WH3, Burch (1966); > Poinsettia geniculata Ortega – S; > Poinsettia heterophylla (L.) Klotzsch & Garcke ex Klotzsch – S

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