‘Nana Alba’. (Weaver, Richard and Renè Duval, 1990). Series Sibiricae. “Iris sanguinea ‘Nana Alba’ (5-7 in. in flower) Similar to the preceding but flowers white and foliage not more than 10 inches tall at maturity.”--We-Du Gardens 1990 catalog. Often listed as ‘Sibirica’ nana alba incorrectly because some forms lack the infusion of purple on the spathe which is normally a key character for Iris sanguinea. Iris sanguinea Hornem ex Donn.
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Interested in Iris Species? Please visit the: Species Iris Group of North America website.
Your Observations Are Valued. Please make note of bud count, branching, purple based foliage and bloom time, etc. Because these are affected by climate, note date, year and geographic location and write these and other comments in the comment box below.