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

Teesdalia nudicaulis (L.) W.T. Aiton
shepherd's cress (barestem teesdalia)
Brassicaceae (Mustard family)

Introduction to Vascular Plants

© Val George  Email the photographer   (Photo ID #57362)

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Distribution of Teesdalia nudicaulis
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Species Information

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General:
Annual herb from a slender taproot; stem erect, solitary, simple or freely branched from base, 5-25 cm tall, glabrous.
Leaves:
Basal leaves in a rosette, 1.5-5 cm long, slender-stalked, blades oval to egg-shaped or oblanceolate, entire to pinnately-cut with a few short, obtuse, lateral lobes and larger, broader, often 3-lobed terminal segment; stem leaves, if present, less lobed or entire.
Flowers:
Inflorescence of slender, divergent, 4-8 mm long stalks; petals about 1 mm long; sepals often purplish-tinged, about 0.5 mm long.
Fruits:
Silicles, 3-3.5 mm long, slightly narrower, glabrous; beaks very short.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Mesic to dry disturbed areas and waste places in the lowland zone; locally frequent in SW BC; introduced from Europe.

Source: The Illustrated Flora of British Columbia

Ecology

Ecological Framework for Teesdalia nudicaulis

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) 122 209 259
Slope Gradient (%) 15 28 50
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
140 183 240
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
0 1 2
Modal Nutrient Regime
Class
Number of field plots
 species was recorded in:
5
Modal BEC Zone Class
All BEC Zones (# of stations/zone) species was recorded in:

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 not evaluated, unknown or variable.

Synonyms and Alternate Names

Iberis nudicaulis L.

Taxonomic and Nomenclatural Links

Additional Photo Sources

Related Databases

General References