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

Sedum oreganum Nutt.
Oregon stonecrop
Crassulaceae

Introduction to Vascular Plants

Distribution of Sedum oreganum
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SUBTAXA PRESENT IN BC

Sedum oreganum ssp. oreganum
Sedum oreganum ssp. tenue

Species Information

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

Illustration Source: The Illustrated Flora of British Columbia

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
Site Information	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)
Source: Klinkenberg 2020

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.

Status Information

Scientific Name	Origin Status	Provincial Status	BC List (Red Blue List)	COSEWIC
Sedum oreganum ssp. oreganum	Native	S5	Yellow	Not Listed
Sedum oreganum ssp. tenue	Native	S5	Yellow	Not Listed

BC Ministry of Environment: BC Species and Ecosystems Explorer, the authoritative source for conservation information in British Columbia.

Taxonomic and Nomenclatural Links

Flora North America treatment for Crassulaceae
Genetic information (NCBI Taxonomy Database)
International Plant Names Index
Taxonomic Information from the World Flora Online
Integrated Taxonomic Information System

Additional Range and Status Information Links

Burke Museum of Natural History (Washington State records)
CalFlora
Consortium of Pacific Northwest Herbaria records
Jepson Interchange
NatureServe Explorer
USDA

Additional Photo Sources

UBC Herbarium Scanned Collection Record
Images From CalPhoto
UT Austin's Native Plant Database
Google Image Search
Flickr Image Search

General References

Google Scholar Search
Family References
General Botanical References for BC

Recommended citation: Author, Date. Page title. In Klinkenberg, Brian. (Editor) 2020. E-Flora BC: Electronic Atlas of the Plants of British Columbia [eflora.bc.ca]. Lab for Advanced Spatial Analysis, Department of Geography, University of British Columbia, Vancouver. [Accessed: 2024-05-03 9:09:38 AM ]

Disclaimer: The information contained in the E-Flora atlas pages is derived from expert sources as cited in each section. This information is scientifically based. E-Flora also acts as a portal to other sites via deep links. As always, users should refer to the original sources for complete information. E-Flora BC is not responsible for the accuracy or completeness of the original information.