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

Osmorhiza depauperata Phil.
blunt-fruited sweet-cicely (bluntseed sweetroot)

Introduction to Vascular Plants

© Jamie Fenneman  Email the photographer   (Photo ID #3851)

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Distribution of Osmorhiza depauperata
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Species Information

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Perennial herb from a well-developed taproot, sometimes below a slightly branched stem-base; stems solitary or sometimes 2-3, 15-70 cm tall, branching.
Basal and stem leaves twice divided into 3's, leaflets coarsely toothed, 1.5-7 cm long, 1-4 cm wide, more or less hairy; thin basal leaves several, stalks long; stem leaves 1-3, stalks short.
Inflorescence of loose compound umbels; flowers greenish-white, sometimes pink or purple, inconspicuous; involucels lacking.
Club-shaped, 10-15 mm long, narrowing to a rounded or blunt end, the tip not beaklike.

Source: The Illustrated Flora of British Columbia

USDA Species Characteristics

Flower Colour:
Blooming Period:
Late Spring
Fruit/Seed characteristics:
Colour: Brown
Present over the Summer
Source:  The USDA

Habitat / Range

Moist to mesic open forests and forest margins in the lowland and montane zones; frequent in BC E of the Coast-Cascade Mountains, rare in SW BC; N to AK and YT, E to NF and S to SD, NM and CA, disjunct to S. America.

Source: The Illustrated Flora of British Columbia


Ecological Framework for Osmorhiza depauperata

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) 10 1052 1969
Slope Gradient (%) 0 18 220
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
0 45 360
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
2 4 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: BG(1), BWBS(59), CWH(3), ESSF(65), ICH(25), IDF(4), MS(11), SBS(36)


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

Osmorhiza chilensis var. cupressimontana (Boivin) Boivin
Osmorhiza obtusa (Coult. & Rose) Fern.
Washingtonia obtusa Coult. & Rose

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References