SafePlants

Amaranthus floridanus: Florida Amaranth

Amaranthus floridanus, commonly known as Florida amaranth, is a native flowering plant found in Florida and other parts of North America.

Considerations for Pets

• Some Amaranthus species, such as spiny amaranth (Amaranthus spinosus), possess spines or thorns.

Considerations for Children

• Some Amaranthus species, such as spiny amaranth (Amaranthus spinosus), possess spines or thorns.

Taxonomy and Nomenclature

• Scientific Name: Amaranthus floridanus (S. Watson) Sauer
• Family: Amaranthaceae
• Synonyms: Amaranthus floridanus (S. Watson) J. D. Sauer

Distribution and Habitat

• Native to Florida and North America.
• Specifically mentioned as being "occasional" in the central area of the Florida peninsula, but does not occur in the panhandle or outside of Florida.

Ecological Role

• Some species of Amaranthus, such as Palmer amaranth (Amaranthus palmeri), are considered troublesome weeds, particularly in Florida cotton fields.

Morphological Characteristics and Growth Habits

• One form, referred to as "red amaranth," can grow up to 5 feet (150 cm) tall.
• It features burgundy red leaves and produces numerous branches.
• It has deep red tassel flowers that appear velvety.
• Grain amaranth grown in southern Florida during the winter may flower at less than half the height of amaranth sown in May.

Interactions with Other Organisms

• Spiny amaranth's zone of influence on lettuce head quality has been studied.

Quirky Facts

• In some places, Amaranthus floridanus is also known as velvet flower due to the appearance of its deep red tassel flowers.

Additional Information

• Discover Life offers information about the biology, natural history, ecology, identification, and distribution of Amaranthus floridanus.
• Dave's Garden provides a community forum for sharing gardening tips and ideas.