Krigia wrightii
Krigia wrightii, known as Wright's dwarfdandelion, is a North American species of plants in the sunflower family. It is native to the southern Great Plains of the south-central United States (Arkansas, Oklahoma, Texas, Louisiana). "Krigia wrightii" is a small annual rarely more than 25  cm (10 inches) tall, with a taproot. The plant produces only one flower hear per flower stalk, each head with 5–25 yellow ray flowers but no disc flowers.