Douglas or Oregon Iris, also called Toughleaf Iris, is most likely found in dry and open meadows. A herb and a member of the Iridaceae Family, it grows by Kiosk 01.  Pilchuck Learning Center’s sponsored Western Washington State University SAM Project, with 22 observations, reports an extinction slope is 1.00 (little chance of extinction). Iris tenax is widespread south of King County, although this specimen was collected on the Olympic Peninsula in the Port Townsend area, like the Tiger Lily we recently left in London with Kew Gardens’ Herbarium Director.   This plant was/is much used by the Indigenous Peoples for a unique, singular reason, no other native plant surpassed its capabilities (see below).  Rather remarkable, is it not, that a native plant would have but one important use?

http://kirkpatrick-mace.com
https://en.wikipedia.org/wiki/Iris_tenax
https://plants.usda.gov/core/profile?symbol=IRTE
http://naeb.brit.org/uses/search/?string=Iris+tenax
https://www.wildflower.org/plants/result.php?id_plant=irte
https://www.plc215.org/wp-content/uploads/2019/02/Kiosk-01.pdf

The Oregon Iris color is:

purple
blue
yellow

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