Amaranthus fimbriatus is a species of glabrous flowering plant

Flowering plant

The flowering plants , also known as Angiospermae or Magnoliophyta, are the most diverse group of land plants. Angiosperms are seed-producing plants like the gymnosperms and can be distinguished from the gymnosperms by a series of synapomorphies...

. It is also known by common names such as Fringed Amaranth or Fringed Pigweed. The plant can often grow up to 0.7 m (2 ft.) in height. The flower is greenish to maroon.

It is found in the Southwestern U.S. and in Mexico

Mexico

The United Mexican States , commonly known as Mexico , is a federal constitutional republic in North America. It is bordered on the north by the United States; on the south and west by the Pacific Ocean; on the southeast by Guatemala, Belize, and the Caribbean Sea; and on the east by the Gulf of...

. It often grows on sandy, gravelly slopes or in disturbed habitats. It usually blooms after the summer rains in these arid regions. It is considered to be an invasive weed.

Two varieties of A. fimbratus have been described: A. fimbratus var. fimbratus and A. fimbratus var. denticulatus. The small variations are found in the tepal

Tepal

Tepals are elements of the perianth, or outer part of a flower, which include the petals or sepals. The term tepal is more often applied specifically when all segments of the perianth are of similar shape and color, or undifferentiated, which is called perigone...

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