Stylophorum diphyllum
Celandine Poppy, Wood Poppy
4-9
Eastern North America

Upright plant
18 inches tall and 12 inches wide
The bright yellow flowers are 2 inches wide, have 4 petals, 2 sepals and many stamens. There are usually 2, sometimes 4, flowers found in terminal clusters.
 
Basal leaves are usually grouped in twos, sometimes 1 or 3. Leaves are 9-12 inches long, has a long petiole, pinnately lobed into 5-7 lobes with lobed margins. Leaves have an oak leaf-like appearance. Lower leaf surface is glaucous. Stems and leaves contain a bright yellow sap.
 
 
 
 
Stylophorum is derived from the Greek, stylos, a style and phoreo. to bear and may refer to the style being retained on the seed capsule. The yellow sap was used as a dye by American Indians.

 

 
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