Perennial Sowthistle

(Sonchus arvensis)

Characteristics

Seedling	Leaves	Flowers	Fruit

Growing habits: Erect perennial herb

Root anatomy: Fibrous roots from long, deep taproot; also forms spreading horizontal rhizomes which produce more fibrous roots

Leaf anatomy: Leaves alternately arranged, glabrous, breen, pinnatifid with 2-5 lobes, spiny edges along margins

Reproduction: Corymblike terminal clusters, yellow to gold in color; achene pappus fruit

^{References: Weeds of the South by Charles T. Bryson and Michael S. DeFelice}