भड़भाड़, सत्यानाशी या घमोई (Argemone mexicana)
Common Name : Mexican prickly poppy Family : Papavaraceae Habit : An erect prickly annual herb. Stem : Up to 1.2 m tall with yellow sap. Leaves : Sessile, with slightly incised undulated nmargins and white veins, spiny on margins, midrib and veins beneath. Flowers : Yellow, 2.5-7.5 cm in diameter, with 4-6 petals. Fruits : Capsules 2-4 cm long, elliptic or oblong, prickly, rarely unarmed. Seeds : Numerous, small, round, blackish-brown, deeply reticulate and pitted.