pale blue-eyed grass

Sisyrinchium sarmentosum is a species of flowering plant in the iris family known by the common names mountain blue-eyed grass and pale blue-eyed-grass. It is native to the Pacific Northwest of North America, where it is known from a part of the Cascade Mountains in Washington and Oregon.

This perennial herb grows up to 32 centimeters tall. The grasslike leaves, located around the base of the plant, are linear in shape and up to 20 centimeters long. Each flower has six pale blue tepals with yellow bases. They are a centimeter long or slightly longer. Each has a rounded tip with a bristle in the center. The fruit is a rounded brown capsule half a centimeter long. Flowering occurs in June at lower elevations and July at higher. The flowers open in late morning or mid-day.