Loeselia tenuifolia A.Gray Ipomopsis tenuifolia is a species of flowering plant in the phlox family known by the common name slenderleaf skyrocket, or slenderleaf ipomopsis.

This is a perennial herb taking the form of a neat clump of slender, erect multibranched stems reaching a maximum height near 40 centimeters.

The inflorescences appear at or near the tips of the branches and each holds one to seven bright scarlet flowers.

Each flower is a tube 1 to 2 centimeters long opening into a flat or bell-shaped corolla with squared or toothed lobes.

The stamens have white to purple anthers and the style has three whitish stigmas.