*Rheum rhabarbarum Linnaeus. Rhubarb, Pie-plant. Phen: Jun-Sep. Hab: Uncommonly cultivated (primarily in gardens in the cooler portions of our area), rarely persistent or escaped. Dist: Native of e. Asia (though introduced from Europe).
Origin/Endemic status: E. and se. Asia
Synonymy: = FNA5, GrPl, Il, K1, K4, NE, NY, Pa; = n/a – RAB; = Rheum ×hybridum – K3, Mi; = Rheum rhabarbicum – C, misspelled; = Rheum rhaponticum – G, misapplied
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