What is "prickly poppy"

Poppy \Pop"py\, n.; pl. Poppies. [OE. popy, AS. popig, L. papaver.] (Bot.) Any plant or species of the genus Papaver, herbs with showy polypetalous flowers and a milky juice. From one species ( Papaver somniferum) opium is obtained, though all the species contain it to some extent; also, a flower of the plant. See Illust. of Capsule.

California poppy (Bot.), any yellow-flowered plant of the genus Eschscholtzia.

Corn poppy. See under Corn.

Horn poppy, or Horned poppy. See under Horn.

Poppy bee (Zo["o]l.), a leaf-cutting bee ( Anthocopa papaveris) which uses pieces cut from poppy petals for the lining of its cells; -- called also upholsterer bee.

Prickly poppy (Bot.), Argemone Mexicana, a yellow-flowered plant of the Poppy family, but as prickly as a thistle.

Poppy seed, the seed the opium poppy ( Papaver somniferum).

Spatling poppy (Bot.), a species of Silene ( Silene inflata). See Catchfly.

n. ''Argemone mexicana'', a yellow-flowered plant of the poppy family, as prickly as a thistle.

1. n. any plant of the genus Argemone having large white or yellow flowers and prickly leaves and stems and pods; chiefly of tropical America [syn: argemone, white thistle, devil's fig]

2. annual Old World poppy with orange-red flowers and bristly fruit [syn: Papaver argemone]