Distribution: Occurring west of the Cascades crest in northwestern Washington; Alaska to northwestern Washington, east in Canada to Manitoba; circumboreal.
Habitat: Moist woods.
Flowers: July-September
Origin: Native
Growth Duration: Annual
Conservation Status: Threatened in Washington (WANHP)
Glabrous, succulent annual, the stems freely branched, 2-6 cm. tall.
Leaves all alternate, the petioles 2-4 cm. long, the blades elliptic-ovate, 3-12 cm. long, the rounded, serrate teeth tipped with a sharp point.
Flowers in twos, 25-35 mm. long, yellow, spotted or mottled with crimson or reddish-brown; saccate sepal 1-2 cm. long, about half as broad at the orifice, narrowed gradually to the recurved, 6-10 mm. spur; lateral sepals smaller; petals 5, the upper one notched at the tip, the lateral ones much smaller, in unequal pairs.
Capsule 5-celled.
PNW Herbaria: Specimen records of Impatiens noli-tangere in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Impatiens noli-tangere checklist entry
OregonFlora: Impatiens noli-tangere information
E-Flora BC: Impatiens noli-tangere atlas page
CalPhotos: Impatiens noli-tangere photos