Plagiobothrys uncinatus is a species of flowering plant in the borage family known by the common names Salinas Valley popcornflower and hooked popcornflower.

Plagiobothrys uncinatus, Salinas Valley popcornflower, grows in chaparral and other habitat in the canyons.

It is an annual herb producing a decumbent or erect stem measuring up to about 20 centimeters long.

The inflorescence is a series of tiny five-lobed white flowers each about 2 millimeters wide.

They are surrounded by sepals which are coated in long white hairs with hooked tips.