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

Phacelia leptosepala var. leptosepala Rydb.
narrow-sepaled phacelia (narrowsepal phacelia)
Hydrophyllaceae (Waterleaf family)

Introduction to Vascular Plants

© Eileen Brown  Email the photographer   (Photo ID #20115)

E-Flora BC Static Map
Distribution of Phacelia leptosepala
Click here to view our interactive map and legend
Details about map content are available here
Click on the map dots to view record details.

Species Information

Click on the image below to view an expanded illustration for this species.

Perennial herb from a branched stem-base and a stout taproot; stems ascending, several, 15-50 cm tall.
Basal leaves tufted, broadly lanceolate often with a pair of lateral lobes at the base, stalked, 5-10 cm long, hairy and bristly; stem leaves similar, alternate, progressively reduced, becoming unstalked.
Inflorescence a several-coiled, 1-sided, short, compact cluster; corollas whitish to lavender or dull purple, 4-7 mm long and wide; calyces hairy, the lobes linear; stamens strongly exserted and hairy near the middle.
Capsules, 2-chambered; seeds 1-3, pitted, 1.5-2.5 mm long.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Mesic to dry meadows, rocky slopes, and forest openings in the lowland to montane zones; frequent in SW BC, rare eastward; S to ID, MT and NE OR.

Source: The Illustrated Flora of British Columbia


Ecological Framework for Phacelia leptosepala

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) 303 1410 2220
Slope Gradient (%) 0 31 50
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
176 200 225
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
3 3 4
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: CWH(1), ESSF(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 not evaluated, unknown or variable.

Synonyms and Alternate Names

Phacelia hastata var. leptosepala (Rydb.) Cronquist

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References