propeller flower, purple pleat-leaf, pinewoods lily, prairie iris, pleatleaf iris
March - May
0.3 - 0.6
The 3 outer tepals are spreading, about 1.5 inches wide, light to deep purple; the 3 inner tepals are dwarfed, cupped or crimped, and usually a deeper purple. The inner portion of the tepals is yellowish, spotted with reddish-brown.
Clayey or sandy soils mostly in grasslands and prairies.