Knap·bot·tle n. Bot. The bladder campion (Silene inflata).
Pop·py n.; pl. Poppies 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 Zool., 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.
Spat·tling-pop·py n. Bot. A kind of catchfly (Silene inflata) which is sometimes frothy from the action of captured insects.
Be·hen Behn n. Bot. (a) The Centaurea behen, or saw-leaved centaury. (b) The Cucubalus behen, or bladder campion, now called Silene inflata. (c) The Statice limonium, or sea lavender.
Cam·pi·on n. Bot. A plant of the Pink family (Cucubalus bacciferus), bearing berries regarded as poisonous.
Bladder campion, a plant of the Pink family (Cucubalus Behen or Silene inflata), having a much inflated calyx. See Behen.
Rose campion, a garden plant (Lychnis coronaria) with handsome crimson flowers.