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

Berteroa incana (L.) DC.
hoary alyssum
Brassicaceae (Mustard family)

Introduction to Vascular Plants

© Gordon Neish  Email the photographer   (Photo ID #23661)

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Distribution of Berteroa incana
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Species Information

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Biennial herb from a slender taproot; stems 30-110 cm tall, erect, branched, with starlike hairs.
Basal leaves oblanceolate, entire, 3-5 cm long, slender-stalked; stem leaves appressed-ascending, short-stalked to unstalked and reduced upward; grey with starlike hairs.
In simple to compound racemes; flower stalks slender, erect, 5-10 mm long; petals white, deeply bilobed, 4-6 mm long; sepals hairy, not persistent, 2-3 mm long.
Elliptic silicles, erect, 5-7 mm long, about half as broad, moderately inflated; styles persistent, 2-3 mm long; seeds 3-7 per chamber, in 2 rows, lightly honeycombed and narrowly wing-margined.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Dry fields and waste places in the steppe and montane zones; frequent in SC and SE BC; introduced from Eurasia.

Source: The Illustrated Flora of British Columbia


Ecological Framework for Berteroa incana

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) 570 676 945
Slope Gradient (%) 3 10 30
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
161 238 332
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
3 3 4
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: IDF(4)


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.

Synonyms and Alternate Names

Alyssum incanum L.

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References