Persicaria maculosa

From LSJ

Θησαυρός ἐστι τοῦ βίου τὰ πράγματα → Non est thesaurus vitae nisi negotia → Des Lebensgutes Schatz erwächst aus Tätigkeit

Menander, Monostichoi, 235

Wikipedia EN

Persicaria maculosa (syn. Polygonum persicaria) is an annual plant in the buckwheat family, Polygonaceae. Common names include lady's thumb, spotted lady's thumb, Jesusplant, and redshank. It is widespread across Eurasia from Iceland south to Portugal and east to Japan. It is also present as an introduced and invasive species in North America, where it was first noted in the Great Lakes region in 1843 and has now spread through most of the continent.