Montiaceae

Threeleaf lewisia

Erocallis triphylla (S.Watson) Rydb.

Family: Montiaceae
Genus: Erocallis

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Threeleaf lewisia: Lewisia triphylla The only Lewisia without a basal rosette according to Wildflowers of the Pacific Northwest by Turner and Gusafson In the Montiaceae (formerly — Photo: brewbooks from near Seattle, USA, CC BY-SA 2.0, from Wikimedia Commons

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Common names

By language (2)

English: Threeleaf lewisia
Icelandic: Hnúðblaðka

Synonyms

Claytonia triphylla S.Watson
Lewisia triphylla (S.Watson) B.L.Rob.
Oreobroma triphyllum (S.Watson) Howell

Flowers

In flower: May to July (from 83 flowering iNaturalist observations worldwide)

Photos

Photo: brewbooks from near Seattle, USA, CC BY-SA 2.0, from Wikimedia Commons
Photo: brewbooks from near Seattle, USA, CC BY-SA 2.0, from Wikimedia Commons

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). About our plant data.