Leaves 6-15 mm wide, glaucous adaxially. Flowers slightly zygomorphic or actinomorphic; tepals withering separately after anthesis, pale to deep blue or bluish violet, each 3-veined, sometimes 5-veined in inner whorls, 15-30 × 3-5 mm; anthers dark bluish violet to brown, 2.5-4 mm; fruiting pedicel incurving-erect, with capsules appressed to raceme axes, 25-70 mm. Capsules 8-16 mm. Seeds 5-10 per locule.

Flowering mid--late spring. Wet meadows; 300--2500 m; Alta., B.C.; Idaho, Mont., Oreg., Wash., Wyo.