Appearance
This rhizomatous perennial herb produces narrow leaves and an erect inflorescence bearing two iris flowers. The flower has a long tubular throat which may exceed 5 centimeters in length before it opens into white, purple, or reddish-brown streaked tepals.
Naming
*''Iris tenuissima'' ssp. ''purdyiformis''—affinity to serpentine soil.⤷ ''Iris tenuissima'' ssp. ''tenuissima''
References:
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