Spurred anoda

Anoda cristata (L.) Schlecht

 


 

USDA Code: ANCR2

Legal Status: Colorado List B Noxious Weed

Family: Malvacaea (Mallow)

Lifecycle: Annual

Growth form: Forb

Flower: Solitary, light blue to lavender

Seeds/Fruit: Capsule contains 10 to 20 segments each with a brown or black kidney shaped seed.

Leaves: Alternate, triangular to arrow shaped.  Coarsely toothed with three distinct lobes.

Stems: Erect, reaching 3 ½  feet in height and branch at the base.

Roots: Taproot.

Seedling: One round and one heart-shaped cotyledon with hairs along the margins of the leaves.

SIMILAR SPECIES:

Natives: Prickly Sida and Velvetleaf

IMPACTS

Agricultural: Invades soybean and cornfields reducing quantity and quality.

HABITAT AND DISTRIBUTION

General requirements: Found in ditches, crops, waste areas, along roadsides, and in gardens.

Distribution: Distribution has spread from Iowa to Arizona .

Historical: Native of the Southwest.

CONTROL

REFERENCES

Whitson, T.D.(ed.), L.C. Burrill, S.A. Dewey, D.W. Cudney, B.E. Nelson, R.D. Lee, R. Parker.  5th Edition 1999. Weeds of the West.  Western Society of Weed Science, in cooperation with the Western United States Land Grant Universities Cooperative Extension Services, Newark CA