intensely poisonous tall coarse annual tropical weed having rank-smelling foliage, large white or violet trumpet-shaped flowers and prickly fruits
South African bulbous wood sorrel with showy yellow flowers
low-growing sticky subshrub of southwestern United States having narrow linear leaves on many slender branches and hundreds of tiny yellow flower heads
intensely poisonous tall coarse annual tropical weed having rank-smelling foliage, large white or violet trumpet-shaped flowers and prickly fruits
any of various low-growing plants of the genus Sagina having small spherical flowers resembling pearls
annual wiry-stemmed North American weed with minute scalelike leaves and small yellow flowers
any plant that crowds out cultivated plants
a black band worn by a man (on the arm or hat) as a sign of mourning
