Longspur Violet, Viola rostrata, is an herbaceous plant in the violet family. It is a stemmed perennial plant. The cauline leaves are simple, toothed, ovate and acute. Basal leaves are cordate and 2–4 cm. It produces flowers in the spring. The flowers are beardless, pale lilac with darker veins forming a darker center eye. The spur is at least as long as the petal blades.