Eriogonum pusillum is a species of wild buckwheat known by the common name yellowturbans. It is native to the western United States where it grows in sandy soils in a number of habitats, especially in the Mojave Desert and Great Basin. This is a small annual herb reaching heights of anywhere from 5 to 30 centimeters. The woolly leaves are located at the base of the plant and are about a centimeter long and rounded. This is a small annual herb reaching heights of anywhere from 5 to 30 centimeters. The woolly leaves are located at the base of the plant and are about a centimeter long and rounded. The spindly naked branches of the inflorescence rise and branch, producing cup-shaped flower clusters at each node along the branches. Each tiny, glandular flower is about three millimeters wide at its maximum and turns from bright yellow to orange-red to red. Desert tortoise. This is a food plant for the desert tortoise (Gopherus agassizii).