Cleomella parviflora is a species of flowering plant in the cleome family known by the common name slender stinkweed.

It is native to eastern California and western Nevada, where it grows in desert and sagebrush scrub in the Mojave Desert and southern parts of the Great Basin.

It is an annual herb producing a smooth, hairless, reddish stem up to about 45 centimeters tall.

Each flower has four tiny pale yellow petals, each about 2 millimeters long.

The fruit is a lobed, valved capsule which hangs on the tip of the remaining flower receptacle.