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

Erysimum inconspicuum (S. Watson) MacMill.
small wallflower (shy wallflower; small-flowered rocket)
Brassicaceae (Mustard family)

Introduction to Vascular Plants

© Curtis Bjork  Email the photographer   (Photo ID #15968)

E-Flora BC Static Map
Distribution of Erysimum inconspicuum
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Species Information

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Biennial or short-lived perennial herb from a short taproot and a usually unbranched stem-base; stems erect, 0.2-1.0 m tall, simple or branched, hairy throughout with appressed 2-pronged hairs.
Basal leaves linear to linear-oblanceolate, entire or sparsely toothed, stalked, 1.5-8 cm long, 2-6 mm wide; stem leaves becoming reduced and unstalked upwards.
Racemes bractless; flower stalks 3-8 mm long, ascending, stout; petals pale to bright yellow, 5-10 mm long, long narrow, stalklike base, broadly oblong to nearly orbicular blades 2-3 mm across; sepals erect, narrow, often purplish, 4-6 mm long, densely hairy.
Siliques, 1.5-5 cm long, 1-2 mm wide, round in cross section, ascending to erect, densely hairy with 2-pronged hairs; beaks thick, 1-2 mm long; seeds oblong, 1.5-2 mm long, wingless.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Dry open sites in the steppe and montane zones; infrequent throughout BC east of the Coast-Cascade Mountains; N to AK, YT and NT, E to PQ and S to KS, NC, VT, NM and CA.

Source: The Illustrated Flora of British Columbia


Ecological Framework for Erysimum inconspicuum

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) 739 963 1810
Slope Gradient (%) 0 34 100
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
10 220 329
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
0 2 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: BG(3), BWBS(2), IDF(6), PP(2)


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

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