Chelidonium majus

Common Names: Greater celandine, tetterwort, nipplewort, swallowwort
Category: Plants
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
Edible Notes: Toxic.
Warnings: The whole plant is toxic in moderate doses as it contains a range of isoquinoline alkaloids. Early studies of celandine showed that it causes contact dermatitis and eye irritation, particularly from contact with the poisonous red to yellow latex of the stem. The latex will stain skin and clothing.