Swertia parryi) is a species of flowering plant in the gentian family known by the common name Coahuila frasera.

Frasera parryi is a perennial herb that produces one or two erect stems growing up to 1.5 m in height.

The basal leaves are lance-shaped, strap-shaped, or somewhat oval and elongated with pointed tips, reaching up to 25 cm long.

Leaves higher on the plant are widely lance-shaped to oval, smaller, and oppositely arranged.

The corolla is greenish with purple speckles, and each lobe has a fringe of hairs near the base.