Anthocopa papaveris

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}. [1913 Webster]

{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}. [1913 Webster]