|Arizona Poppy (Kallstroemia grandiflora)|
DESCRIPTION: Also called Arizona Caltrop, Orange Caltrop, and Summer Poppy. Annual to 3'. Flowers (to 2.5" wide) yellow-orange with reddish center, 5 petals (not 4 as in Mexican gold poppy), and orange anthers. Leaves pinnately compound, opposite to 2.5" long. Stems and leaves hairy. Zygophyllaceae (Caltrop) Family.
NATURAL HISTORY: Flowers bloom August to November.