Euphorbia helioscopia
From LSJ
Πενία δ' ἄτιμον καὶ τὸν εὐγενῆ ποιεῖ → Pauper inhonorus, genere sit clarus licet → Die Armut nimmt selbst dem, der edel ist, die Ehr'
Wikipedia EN
Euphorbia helioscopia, the sun spurge or madwoman's milk, is a species of flowering plant in the spurge family Euphorbiaceae. It is a herbaceous annual plant, native to most of Europe, northern Africa, and eastward through most of Asia. Additional folk names include wart spurge, summer spurge, umbrella milkweed, and wolf's-milk.