TUMBLE PIGWEED, Amaranthus
albus L. 1, fruiting branch; 2, seed. Annual,
reproducing by seed. Stem pale green, with numerous ascending branches
making more or less globular plant, 1 to 3 feet (30 to 90 cm) tall. Breaks
off at ground at maturity and is rolled over open fields by wind, distributing
the seeds. Leaves spatulate, short-petioled, 1/2 to 1 inch (1.3
to 2.5 cm) long. Flowers small, greenish, in axillary clusters.
Seed small, round, shiny, black, each contained in a bladderlike
hull. Found in cultivated and fallow land. Dried plants often observed
in piles against fences and hedge rows after windstorms.