Common Groundsel

Senecio vulgaris

Leaves
Arranged alternately along the stem, usually without hairs but occasionally with a few hairs. Leaves have deeply lobed margins.

Stems
Branched, without hairs, ranging from 4 to 20 inches in height. Stems are capable of rooting at the nodes.

Flowers
Occur in clusters at the ends of stems. Individual flowers are approximately 1/2 inch in diameter and are yellow in color.

Roots
A taproot and a fibrous root system.