Scientific NameAnoda cristata
Other Common Names:
Synonyms (former Scientific Names):
Spurred anoda is freely branching from the base and may reach 3 1/2 feet in height. This plant has a low growing, spreading habit and the stems can spread four to five feet from the taproot. The leaves are alternate, 1 1/2 to 3 inches long, and are usually triangular or arrowhead-shaped.
Erect annual with alternate, triangular-shaped leaves that are coarsely toothed. Alternate, hairy on both surfaces, approximately 2 to 4 inches long, and triangular in outline. Leaves are coarsely toothed and have three distinct lobes. Leaf petioles often have stipules at the base.
Seedlings with 1 round and 1 heart-shaped cotyledon, and plants with triangular-shaped, coarsely-toothed leaves.
Flower Seed Head
Solitary flowers arise from the area between the petioles and the stem (leaf axils). Flowers are 7 to 12 mm wide with petals that are light blue to lavender in color.
A capsule containing 10 to 20 segments each with one 2.8 to 3.2 mm long kidney-shaped brown or black seed.
Primarily a weed of agronomic crops found in the southern United States. Fields, roadsides, and waste places.
upright and nonwoody
Thorns or Spines
Approximate Flower Diameter
Dominant Flower Color
shorter than leaf,
longer than leaf
Stem Cross Section
round or oval