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

Sedum oreganum Nutt.
Oregon stonecrop
Crassulaceae

Introduction to Vascular Plants

© Jamie Fenneman  Email the photographer   (Photo ID #4263)

E-Flora BC Static Map
Distribution of Sedum oreganum
Click here to view the full 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.



General:
Perennial herb from a stout rhizome; stems ascending, several, branched above, 6-15 cm tall, glabrous and glaucous.
Leaves:
Stem leaves alternate, crowded and rosette-forming on the sterile shoots, overlapping on the flowering stems, egg- to spoon-shaped, 20-30 mm long, 6-12 mm wide, strongly flattened, broadest above the midlength and tapered to the base, green becoming bronze.
Flowers:
Inflorescence of terminal, umbrella-shaped clusters; petals 5, yellow becoming pinkish with maturity, petals pointed, longer than the stamens, (8) 10-13 mm long, narrowly lanceolate and long-pointed.
Fruits:
Follicles, erect and only very slightly fused at the base.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Mesic to dry rocky cliffs and talus slopes in the lowland and montane zones; common in SW BC; N to AK and S to CA.

Source: The Illustrated Flora of British Columbia

Ecology

Ecological Framework for Sedum oreganum

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

Minimum

Average

Maximum

Elevation (metres) 820 1333 2060
Slope Gradient (%) 55 80 97
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
130 164 200
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
1 1 2
Modal Nutrient Regime
Class
B
Number of field plots
 species was recorded in:
4
Modal BEC Zone Class
ESSF
All BEC Zones (# of stations/zone) species was recorded in: CWH(1), ESSF(2), MH(1)

Climate

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 temperate & cool mesothermal.

Taxonomic and Nomenclatural Links

Additional Photo Sources

Related Databases

General References