About Taraxia tanacetifolia (Torr. & A.Gray) Piper
Taraxia tanacetifolia, commonly called tansyleaf evening primrose, is a species of evening primrose. It is native to the western United States, especially the Great Basin and the mountains of the Pacific Northwest. This species is a perennial herb that grows from a woody taproot and spreads through lateral shoots. It has no above-ground stem, growing as a flat rosette of hairy leaves with a central inflorescence. Its frilly leaves are long and narrow, edged with deep, irregular, narrow lobes. Leaf blades can reach around 30 centimeters in length, and are attached to long petioles. The flowers growing at the center of the rosette have bright yellow petals that are up to approximately 2.3 centimeters long. The fruit of this plant is a swollen, leathery capsule that holds two rows of seeds.
