Solanum rostratum buffalo-bur Solanaceae SORO(*); K;

 

Solanum rostratum.Russ Kleinman & Karen Blisard.www.wnmu.edu.Western New Mexico University Department of Natural Sciences and the Dale A. Zimmerman Herbarium

Solanum rostratum.Russ Kleinman & Karen Blisard.www.wnmu.edu.Western New Mexico University Department of Natural Sciences and the Dale A. Zimmerman Herbarium. (Accessed 4/2014).

Solanum rostratum is an annual herb to 1 m tall, hairy, most parts yellow-spiny to 1 cm long. 

Leaves alternate, deeply pinnately lobed, segments also sometimes lobed, tips rounded. 

Flowers pale yellow, to 3 cm wide, anthers five, four, yellow, one purplish, longer much than other four; calyx spiny, enclosing fruit. 

Fruit fleshy, very spiny; blooming and fruiting July-Oct. 

Wetland status: UPL. 

Frequency in NYC: Very infrequent. 

Origin: Western USA, Great plains. 

Habitat: Dry, open soil.