Stiff, upright, widely branching, hairy annual. A most attractive plant, that is widely cultivated and is occasionally gathered and used in floral arrangements.
Flowers August to October.
Adapted to calcareous soils of prairies, roadsides, and waste places.
When wounded, this plant exudes a milky fluid that is poisonous; it will cause inflammation of the skin similar to that seen with poison-ivy or oak.
Livestock is poisoned by an acrid principle that severely irritates the mouth and gastrointestinal tract.
This plant rarely causes death.
“Snow-on-the-mountain” is generally found from central to west Texas, and “Snow-on-the-prairie” is found in the eastern to southern portion of Texas.
