Trifolium trichocalyx is a species of clover[1] known by the common name Monterey clover.

[2] Trifolium trichocalyx is endemic to Monterey County, California, where it is known only from the Monterey Peninsula, in a closed-cone pine forest habitat.

[3] It occurs in the Del Monte Forest with flora associates Potentilla hickmanii and Piperia yadonii.

[4] This species is listed as endangered by the U.S. Federal Government and the state of California.

This Trifolieae-related article is a stub.