Coreopsis calliopsidea is a species of flowering plant in the daisy family known by the common name leafstem tickseed.

The plant grows in some of the southern coastal mountain ranges and Transverse Ranges and the Mojave Desert from Alameda and Inyo Counties south to Riverside County.

[2][3] Coreopsis calliopsidea is an annual herb producing one or more stems growing up to about 40 centimeters (16 inches) tall, or sometimes taller.

The slightly fleshy leaves are located mainly around the base of the stem, each divided into several narrow lobes.

[4][5] The inflorescence consists of a single flower head with a bell-shaped involucre of triangular phyllaries.