Euphorbia dentata.Kurt Schaefer.Goodwell and Texahoma, Oklahoma Pasture and Roadside Plants. www. opsu.edu. (Accessed 4/2014).

Euphorbia dentata is an annual C4 herb (Ludwig et al. 2010), 20-60 cm tall, often branched, sap milky, toxic. 

Leaves opposite, linear to egg-shaped, hairy, margin toothed to almost smooth. 

Flowers small, inconspicuous, 0.3 cm, lobes of flower cup fringed; inflorescence dense. 

Fruit dry, 0.5 cm; blooms July-Sept. 

Wetland status: UPL. 

Frequency in NYC: Very infrequent. 

Origin: Midwestern and western USA. 

Habitat: Dry, sandy soil, roadside weed.