Iridaceae

Toughleaf iris

Iris tenax Douglas ex Lindl.

Family: Iridaceae
Genus: Iris

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Common names

By language (2)

English: Toughleaf iris, Oregon iris, Tough-leaved iris, Flag, Gorman's iris, Orleans iris
Persian: زنبق تنکس

Synonyms

Iris gormanii Piper
Iris tenax subsp. klamathensis L.W.Lenz
Iris tenax var. gormanii (Piper) R.C.Foster
Joniris tenax (Douglas ex Lindl.) Klatt
Limniris klamathensis (L.W.Lenz) M.B.Crespo, Mart.-Azorín & Mavrodiev
Limniris tenax (Douglas ex Lindl.) Rodion.

Flowers

Flower colour: purple (USDA PLANTS Database)

Characteristics

Growth habit: Forb/herb
Lifespan: Perennial
In the US and Canada: Lower 48 states: native

Photos

Photo: Pbjamesphoto, CC BY-SA 4.0, from Wikimedia Commons
Photo: Sword Fern, CC BY-SA 3.0, from Wikimedia Commons
Photo: Jjohnson22007, CC BY-SA 4.0, from Pl@ntNet via GBIF
Photo: Ian Poellet, CC BY-SA 3.0, from Wikimedia Commons
Photo: Jjohnson22007, CC BY-SA 4.0, from Pl@ntNet via GBIF
Photo: JeannieNadjaStudios, CC BY-SA 3.0, from Wikimedia Commons
Photo: cherylb135, CC BY-SA 4.0, from Pl@ntNet via GBIF
Photo: JeannieNadjaStudios, CC BY-SA 3.0, from Wikimedia Commons
Photo: Katy Fuller, CC BY-SA 4.0, from Pl@ntNet via GBIF
Photo: Carson K, CC BY-SA 4.0, from Pl@ntNet via GBIF
Photo: Vlp6570, CC BY-SA 4.0, from Wikimedia Commons
Photo: Michelle Panoncial, CC BY-SA 4.0, from Pl@ntNet via GBIF

More in Iris

Sources: classification, synonyms from World Flora Online Plant List (2026-06, CC0 1.0); common names, popularity from Wikidata (2026-10-26, CC0 1.0); common names, US characteristics from USDA PLANTS Database (2025-05-29, CC0 1.0). About our plant data.