Prickly Poppy

Argemone sanguinea

Family: Papaveraceae

Plant Description: Annual to 1 m or higher, much like A. mexicana but with white to lavender or purple petals 3-4 cm long, radial. Yellow sap. Leaves alternate, deeply pinnately lobed, the lobes sharp-pointed. Fruit are prickly capsules up to 5 cm tall.

Plant Trivia:

Field Identification: Beautiful open flowers, papery; plant leaves with vicious pointed tips

Occurrence: Locally abundant in sandy prairies and other open grounds, the lavender purple form known mostly from Kleberg and Jim Wells counties and points further west.

Bloom Period:

Plant Use: Show and attractive. Suitable for landscaping.

Key to the species of Argemone:

  1. Petals white to purple………………………………………………………………………………….2

Petals yellow………………………………………………………………………………………………….3

2. Ascending prickles on sepals…………………………………………………...A. alb.iflora

Perpendicular prickles on sepals…………………………………………..A. sanguinea

3. Stamens 30-50…………………………………………………………………………..A. mexicana

Stamens about 150………………………………………………………………………..A. aenea