Triphysaria pusilla is a species of flowering plant in the family Orobanchaceae known by the common name dwarf owl's-clover.

Triphysaria pusilla is an annual herb producing a hairy brownish or purple-colored, multi-branched stem up to about 20 centimeters in maximum height.

Like many species in its family, it is a facultative hemiparasite on other plants, attaching to their roots via haustoria to tap nutrients and water.

[2] Its leaves are greenish, red or purple because of the anthocyanin pigments that the plants produce.

They are considered a generalist parasite, living off the nutrients of a variety of hosts that are non-specific.