Location: Europe > Portugal > Algarve
Date Photo Taken: November 18, 2007
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Opposite leaves covered with fine hairs. Flowers with indistinguishable parts. About 8'' tall.
Alternanthera dentata also known as "Purple Knight," or Joseph's coat, joy weed or calico weed, is a tropical plant that tolerates heat well and withstands short periods of drought. It has violet or dark purple foliage.
Sprawling plants to 10 cm tall with mciro yello flowers in white to purple bracts growing along highway in distirbed area.
Amaranthus, collectively known as amaranth, is a cosmopolitan genus of annual or short-lived perennial plants. Some amaranth species are cultivated as leaf vegetables, cereals, and ornamental plants. Most of the species from Amaranthus are summer annual weeds and are commonly referred to as pigweed. Catkin-like cymes of densely packed flowers grow in summer or autumn. Approximately 60 species are recognized, with inflorescences and foliage ranging from purple and red to green or gold. Members of this genus share many characteristics and uses with members of the closely related genus Celosia. (Wikipedia)
The Amaranthaceae, the Amaranth family, represent the most species-rich lineage within the flowering plant order of Caryophyllales. Now including the former goosefoot family (Chenopodiaceae), the extended family contains approximately 180 genera and 2,500 species.