Mimulus gracilipes is an uncommon species of monkeyflower known by the common name slenderstalk monkeyflower. It is endemic to California, where it is known only from a section of the central Sierra Nevada foothills. It is endemic to California, where it is known only from a section of the central Sierra Nevada foothills. This annual herb has a scattered distribution, sometimes only growing after a habitat disturbance such as wildfire. This petite wildflower grows no taller than about 8 centimeters. The fuzzy stem has a few pairs of oppositely arranged reddish-green oval leaves each up to about a centimeter long. The tubular throat of the flower is encapsulated in a hairy red calyx of sepals. The pink flower is no more than a centimeter long and wide. The upper lip has two notched lobes and the wider lower lip has three.