Page author: David Giblin
Nymphoides peltata
yellow floatingheart

Distribution: Occurring in scattered locations on both sides of the Cascades crest in Washington; southern British Columbia to California, also from Arizona and Texas northeastward to northeastern North America.

Habitat: Reservoirs, lakes, ponds, and slow-moving streams.

Flowers: June-September

Origin: Introduced

Growth Duration: Perennial

Conservation Status: Not of concern


Glabrous aquatic perennial.


Leaves rounded, cordate-based, shallowly toothed, floating, purple beneath and sometimes purple-spotted above; leaves with long petioles.


Flowers usually solitary on long, naked peduncles; calyx 5-lobed; corolla yellow, 5-lobed, the lobes fringed and shallowly notched; stamens 5, borne on the corolla and alternate with the lobes; pistil 1, ovary 1-celled.


Capsule egg-shaped, firm-walled.

Accepted Name:
Nymphoides peltata (S.G. Gmel.) Kuntze
Publication: Revis. Gen. Pl. 2: 429. 1891.

Synonyms & Misapplications:
(none provided)
Additional Resources:

PNW Herbaria: Specimen records of Nymphoides peltata in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Nymphoides peltata checklist entry.

E-Flora BC: Nymphoides peltata atlas page.

CalPhotos: Nymphoides peltata photos.

USDA Plants: Nymphoides peltata information.

34 photographs:
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