Leptosiphon nudatus (syn. Linanthus nudatus) is a species of flowering plant in the phlox family known by the common name Tehachapi linanthus. It is endemic to California, where it is known only from the Tehachapi Mountains and the southern peaks of the Sierra Nevada. It grows in chaparral, woodlands, and other local mountain habitat. It is endemic to California, where it is known only from the Tehachapi Mountains and the southern peaks of the Sierra Nevada. It grows in chaparral, woodlands, and other local mountain habitat. This is an annual herb producing a thin, hairy stem up to 30 centimeters tall. The hairy, glandular leaves are partially divided into needle-like linear lobes. The inflorescence is a head of a few flowers with hairy white tubes up to a centimeter long and white or pink corollas about a centimeter wide.