white thistle

/waɪt ˌθɪsəl/

/hwaɪt ˌθɪsəl/

Other forms: white thistles

Definitions of white thistle

1. noun

   any plant of the genus Argemone having large white or yellow flowers and prickly leaves and stems and pods; chiefly of tropical America
   synonyms: argemone, devil's fig, prickly poppy

   types:

   Argemone mexicana, Mexican poppy

   annual herb with prickly stems and large yellow flowers; southern United States to West Indies and Mexico

   type of:

   herb, herbaceous plant

   a plant lacking a permanent woody stem; many are flowering garden plants or potherbs; some having medicinal properties; some are pests
2. noun

   spiny shrub with silvery-scurfy foliage of alkaline plains of southwestern United States and Mexico
   synonyms: Atriplex lentiformis, quail brush, quail bush

   type of:

   saltbush

   any of various shrubby plants of the genus Atriplex that thrive in dry alkaline soil