E-Flora BC: Electronic Atlas of the Flora of British Columbia

Hesperochiron pumilus (Douglas ex Griseb.) Porter
dwarf hesperochiron
Hydrophyllaceae (Waterleaf family)

Introduction to Vascular Plants

© Jim Riley  Email the photographer   (Photo ID #8927)

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Distribution of Hesperochiron pumilus
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Species Information

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Perennial herb from a slender rhizome with tuberous thickenings; stems 5-10 cm tall.
Simple in a basal rosette, spreading or ascending, blades linear-oblong, 1-7 cm long, upper surface hairy or glabrous, margins fringed with long hairs.
Inflorescence of 1-8 solitary, saucer-shaped flowers on stalks 1-10 cm long; corollas white to purplish, 1.5-3 cm wide, the lobes glabrous, 2-4 times as long as the hairy tube.
Capsules, egg-shaped, honeycombed or pitted; seeds many, egg-shaped.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Moist meadows and seepage sites in the montane zone; rare in SE BC, known only from Salmo; S to ID, AZ, NV and CA.

Source: The Illustrated Flora of British Columbia


The climate type for this species, as reported in the: "British Columbia plant species codes and selected attributes. Version 6 Database" (Meidinger et al. 2008), is not evaluated, unknown or variable.

Synonyms and Alternate Names

Hesperochiron villosulus (Greene) Suksd.

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References