Persicaria sagittata (Linnaeus) H. Gross ex Nakai. Arrowleaf Tearthumb, Arrowvine, Scratch-grass. Phen: May-Dec. Hab: Marshes, bogs, beaver impoundments, wet thickets. Dist: NL (Newfoundland) west to MB, south to Panhandle FL and e. TX; China, Manchuria, India, Siberia, Korea, and Japan.
Origin/Endemic status: Native
Syn: = Ar, Fl4, FNA5, K3, K4, Mi, Mo3, NE, NY, Pa, Tn, Va; = Polygonum sagittatum – C, G, GW2, K1, RAB, Tx, W, WH3, WV, Horton (1972), Mitchell & Dean (1978); = Tracaulon sagittatum – Il, S; > Polygonum sagittatum var. gracilentum – F; > Polygonum sagittatum var. sagittatum – F
Hover over a shape, letter, icon, or arrow on the map to see what it means.