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

Sedum stenopetalum Pursh
worm-leaved stonecrop (narrow-petaled stonecrop; wormleaf stonecrop)

Introduction to Vascular Plants

© Doug Skilton  Email the photographer   (Photo ID #7209)

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Distribution of Sedum stenopetalum
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Species Information

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Perennial from a strong rhizome and rootstock; stems ascending to erect, several, branched above, 5-27 cm tall, glabrous.
Stem leaves alternate, pimply roughened at the tips, linear to narrowly lanceolate, strongly keeled or nerved on the dorsal surface, broadest above midlength and tapered to the base, usually strongly flattened; lower leaves becoming deciduous, often leaving their midribs attached to the stem.
Inflorescence of terminal, umbrella-shaped clusters; petals 5, yellow, 6-10 mm long, narrowly oblong-lanceolate but not long-pointed, longer than the stamens.
Follicles, more or less spreading.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Mesic to dry rocky cliffs, talus slopes and meadows from the lowland and steppe to subalpine zones; frequent in S BC, rare northward to 57degreeN in NE BC; E to SW AB and S to MT and CA.

Source: The Illustrated Flora of British Columbia


Ecological Framework for Sedum stenopetalum

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) 360 1140 2490
Slope Gradient (%) 0 42 90
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
22 186 360
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
0 1 5
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(8), BG(2), BWBS(1), ESSF(12), ICH(30), IDF(55), IMA(1), MS(20), PP(10)


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.

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References