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

Hypericum scouleri subsp. nortoniae Hook. (M.E. Jones) J.M. Gillett
western St. John's-wort (Norton's St. Johnswort)

Introduction to Vascular Plants

© Ryan Batten  Email the photographer   (Photo ID #66734)

E-Flora BC Static Map
Distribution of Hypericum scouleri subsp. nortoniae
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 long stolon and rhizome; stems erect, branched above, glabrous, 5-80 cm tall.
Stem leaves oblong to rounded, unstalked, obtuse, 1-3 cm long, 0.5-1.5 cm wide, glabrous with black marginal dots.
Inflorescence up to 50+ flowered; petals pale to bright yellow, 7-12 mm long; sepals narrowly egg-shaped to triangular, obtuse, 3-4 mm long; stamens 75-100, united basally into 3 groups; styles 3, 3-5 mm long.
Membranous capsules, 6-9 mm long; seeds yellow to brownish, about 0.8 mm long, finely net-veined and longitudinally grooved.
Two subspecies occur in Bcd:

1. Stems few branched in the inflorescence, mostly 5-20 cm tall; leaves rounded; plants infrequent at higher elevations in S BC, most common in SE BC....................... ssp. nortoniae (M.E. Jones) J. Gillett

1. Stems branched below the inflorescence, mostly 20-80 cm tall; leaves narrowly egg-shaped; infrequent at lower elevations in S BC, most common in SW BC..........................ssp. scouleri

Source: The Illustrated Flora of British Columbia

Habitat / Range

Moist to wet streamsides, estuaries, marshes and open slopes in all zones except the alpine and steppe zones; infrequent in S BC; S to WY, CA and MX.

Source: The Illustrated Flora of British Columbia


Ecological Framework for Hypericum scouleri ssp. nortoniae

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) 0 1147 2225
Slope Gradient (%) 0 10 73
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
65 202 295
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
1 5 7
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: AT(2), CDF(2), CWH(26), ESSF(12), MS(1), PP(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

Hypericum formosum
Hypericum formosum subsp. scouleri
Hypericum formosum var. nortoniae (M.E. Jones) C.L. Hitchc.
Hypericum nortoniae M.E. Jones

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References