Spiny Sowthistle: Asteraceae (Aster Family)
Home Plant Index Photo Details & Description Utah Range Map
1. flower, 2. leaves, seed and stem - October 8, 2005 - Draper City, Salt Lake County, Utah - ©Nicky Davis
This noxious, non-native, European weed containing milky juice grows 1 to 5 feet tall. Prickly margined, lobed and toothed leaves. Upper leaves clasping.
Yellow flower heads are about 1 inch across and are in a flat cluster of strap-shaped petals. Seeds are in a cluster with white hairs on the ends.
Back to Top