Argemone mexicana L.
Common Name : Mexican prickly poppy
Family : Papavaraceae

HABIT |
AN ERECT PRICKLY ANNUAL HERB. |
STEMS |
UP TO 1.2 M TALL WITH YELLOW SAP. |
LEAVES |
SESSILE, WITH SLIGHTLY INCISED UNDULATED MARGINS 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. |