This species occurs in Choctaw, McCurtain, and Bryan counties in Oklahoma. Recovery Needs Historical records need to be confirmed and extant populations tracked. More data is needed in order to formulate recovery recommendations. Growth is not erect. Roots are brown and fleshy with ribs.
Stems are cylindrical and hollow.
Leaves are alternate. The lower leaves are twice or thrice pinnately compound becoming progressively less compound along the stem. Leaflets are often lobed or have teeth. Inflorescences are branched. Occasionally, a few perfect flowers are present.