Most of the species in Nemophila contain the phrase "baby blue-eyes" in their common names. N. menziesii has the common name of "Baby blue-eyes". N. parviflora is called the "Smallflower baby blue-eyes" and N. spatulata is called the "Sierra baby blue-eyes". An exception to this naming tendency is N. maculata, whose common name is Fivespot.
Nemophila are commonly offered for sale for garden cultivation. Generally these are N. menziesii.
The leaves are simple, with an opposite or alternate arrangement. The petiole is generally bristly. The leaf blade is pinnately toothed or lobed.
The fruit is 2-7 mm wide and generally enclosed by the calyx. The fruit itself is spherical to ovoid in shape. It is also hairy.
The seeds are ovoid, smooth, wrinkled or pitted. At one end there is a colorless, conic appendage.
N. menziesii, N. parviflora, and N. pulchella have varieties under each species.