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

Introduction to Vascular Plants

Photograph

© Jamie Fenneman     (Photo ID #3851)


Map

E-Flora BC Static Map

Distribution of Osmorhiza depauperata
Click here to view the full interactive map and legend

Species Information

General:
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.
Leaves:
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.
Flowers:
Inflorescence of loose compound umbels; flowers greenish-white, sometimes pink or purple, inconspicuous; involucels lacking.
Fruits:
Club-shaped, 10-15 mm long, narrowing to a rounded or blunt end, the tip not beaklike.

SourceThe Illustrated Flora of British Columbia

Illustration

If more than one illustration is available for a species (e.g., separate illustrations were provided for two subspecies) then links to the separate images will be provided below. Note that individual subspecies or varietal illustrations are not always available.

USDA Species Characteristics

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

Ecology

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

Avg

Min

Max

Elevation (metres)
1052 10 1969
Slope Gradient (%)
18 0 220

Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]

45 0 360
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
4 2 7
Modal Nutrient Regime
Class
C
# of field plots
 species was recorded in:
221
Modal BEC Zone Class
ESSF

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)

Habitat and 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.

SourceThe Illustrated Flora of British Columbia

Synonyms

Synonyms and Alternate Names:
Osmorhiza chilensis var. cupressimontana (Boivin) Boivin
Osmorhiza obtusa (Coult. & Rose) Fern.
Washingtonia obtusa Coult. & Rose