Iris douglasiana

Closeup of flower Iris douglasiana, the Douglas iris, is a common wildflower of the coastal regions of Northern and Central California and southern Oregon in the United States. It grows mainly at lower elevations, below 100 m, though it is occasionally found at heights of up to 1000 m. It is most common in grasslands near the coast; it is regarded as a noxious weed in pastures, because it forms clumps that inhibit other vegetation, and its leaves are bitter and unpalatable to cattle. This is a typical beardless iris of subgenus Limniris, series Californicae, growing from a rhizome that is typically less than a centimeter in diameter. Its leaves are about 2 cm wide. The flowers, appearing from April to June, are usually a purplish-blue, though occasionally white or yellow flowers are found. Two or three flowers are found on each stem, which is of variable height, ranging from 15 - tall.

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