Appearance
''Iris verna'' is a small herbaceous perennial. It forms colonies through its deeply-buried underground rhizomes. It blooms in spring and generally has light to deep blue or violet inflorescence, although rare white forms are known. The sepals have a golden yellow signal.It can be distinguished from the similar-looking ''Iris cristata'' which occurs over much of its range by a number of characters. ''Iris verna'' lacks the crested ridges that are found on the sepals of ''Iris cristata'', and its flowers are strongly fragrant . In addition, the leaves of ''Iris verna'' are narrower and straighter than those of ''Iris cristata'', and it has rhizomes that are deeply buried .
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