Common Names: Greater celandine, tetterwort, nipplewort, swallowwort
Sub-category: Poppy family
A perennial herb with an erect habit, and reaches 30 to 120 cm high. The leaves are pinnate with lobed and wavy-edged margins, up to 30 cm long. When injured, the plant exudes a yellow to orange latex. The flowers consist of four yellow petals, each about 1 cm long, with two sepals. A double-flowered variety occurs naturally. The flowers appear in umbelliform cymes of about 4 flowers.
Considered an invasive weed in many parts of North America. It grows in waste areas, roadsides, forest edges. Blooms from late spring to summer.
Primary Flower Color: Yellow
Secondary Flower Color: Yellow