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

Leptosiphon minimus (H. Mason) R. Battaglia
bicoloured linanthus (bicoloured flaxflower)
Polemoniaceae (Phlox family)

Introduction to Vascular Plants

© Hans Roemer  Email the photographer   (Photo ID #26136)

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Distribution of Leptosiphon minimus
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Species Information

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Annual herb from a taproot; stems slender, erect, simple or branched at the base, minutely hairy, 5-15 cm tall.
Opposite, unstalked, palmately cleft into 3 to 7 segments, 3-20 mm long, the segments linear to narrowly oblanceolate, fringed with bristly hairs, leaves of the inflorescence longer than those below and more densely fringed.
Inflorescence a compact, head-like, terminal cluster of several fragrant, nearly unstalked flowers; generally 1 flower open at a time; corollas pink-purple or white with a yellow eye, 12-30 mm long, the very slender tube abruptly spreading to five rounded or squared-off, 2- to 4-mm long lobes; calyces 5-10 mm long, the 5 teeth needle-like.
Capsules, 3-chambered; seeds several per chamber.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Mesic to dry, open, grassy places in the lowland zone; locally frequent on S Vancouver Island and the Gulf Islands; S to CA.

Source: The Illustrated Flora of British Columbia


Ecological Framework for Leptosiphon minimus

The table below shows the species-specific information calculated from
original data (BEC database) provided by the BC Ministry of Forests and Range.
(Updated August, 2013)

Site Information
Value / Class




Elevation (metres) 122 177 259
Slope Gradient (%) 0 28 50
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
38 176 360
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
1 1 3
Modal Nutrient Regime
Number of field plots
 species was recorded in:
Modal BEC Zone Class
All BEC Zones (# of stations/zone) species was recorded in: CDF(1)


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 cool mesothermal.

Synonyms and Alternate Names

Linanthus bicolor (Nutt.) Greene
Linanthus bicolor subsp. minimus H. Mason
Linanthus bicolor var. minimus (H. Mason) Cronquist
Linanthus minimus (H. Mason) C. Goodwillie

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References