Gratiola neglecta is a species of flowering plant known by the common name clammy hedgehyssop.

It is native to much of North America, including most all of the United States and the southern half of Canada.

This is an unobtrusive annual herb producing a glandular stem up to about 30 centimeters tall.

The lance-shaped to oval leaves are arranged oppositely about the stem.

The inflorescence is a raceme of nearly cylindrical tubular whitish flowers each about a centimeter long.