Page author: David Giblin
Impatiens ecornuta
spurless jewelweed

Distribution: Occurring on both sides of the Cascades in Washington; southern British Columbia to northwest Oregon, east to Montana.

Habitat: Moist, shady woods.

Flowers: August-September

Origin: Native

Conservation Status: Not of concern


Succulent, freely-branched annual, the stems 4-10 dm. tall.


Leaves all alternate, the petioles very slender, 1-3 cm. long; leaf blades ovate-elliptic to elliptic-lancelolate, 3-10 cm. long, coarsely serrate, the teeth 3-7 on each margin.


Flowers mostly paired in open, leafy, axillary racemes, pale yellow to orange, 1-2 cm. long; sepals 3, one saccate but not spurred, the other two much smaller; petals 5, the upper one notched at the tip, the lateral ones much smaller, in unequal pairs.


Capsule 5-celled.

Accepted Name:
Impatiens ecornuta Gerry Moore, Zika, & Rushworth
Publication: Novon 22:60–61. 2012.

Synonyms & Misapplications:
Impatiens ecalcarata Blank. [HC]
Additional Resources:

PNW Herbaria: Specimen records of Impatiens ecornuta in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Impatiens ecornuta checklist entry.

E-Flora BC: Impatiens ecornuta atlas page.

CalPhotos: Impatiens ecornuta photos.

USDA Plants: Impatiens ecornuta information.

19 photographs:
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