Page author: David Giblin
Lindernia dubia
false pimpernel

Distribution: Occurring on both sides of the Cascades crest in Washington; widely distributed throughout North America.

Habitat: Disturbed, open soil, often where moist near ponds, lakes, and streams, from low to middle elevations.

Flowers: May-October

Origin: Native

Growth Duration: Annual

Conservation Status: Not of concern


Plants annual, erect to ascending, sometimes lax, capable of rooting at the nodes; stems 2-40 cm tall.


Leaves opposite, simple, cauline, petiolate; blades lanceolate to spatulate, sometimes palmately 3-5 veined, otherwise single midvein.


Flowers white with tinge of purple-pink or blue near throat; corolla fused, bilabiate, ovary superior; some flowers not opening (cleistogamous); stamens 2.


Fruit a capsule; seeds yellow to gold, 6-angled.

Accepted Name:
Lindernia dubia (L.) Pennell

Synonyms & Misapplications:
Lindernia anagallidea (Michx.) Pennell [HC]
Lindernia dubia (L.) Pennell var. anagallidea (Michx.) Cooperr. [JPM]
Lindernia dubia (L.) Pennell var. dubia [JPM]
Additional Resources:

PNW Herbaria: Specimen records of Lindernia dubia in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Lindernia dubia checklist entry.

E-Flora BC: Lindernia dubia atlas page.

CalPhotos: Lindernia dubia photos.

USDA Plants: Lindernia dubia information.

25 photographs:
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