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

Boechera pendulocarpa A. Nelson
earless suncress
Brassicaceae (Mustard family)

Introduction to Vascular Plants

© Bryan Kelly-McArthur  Email the photographer   (Photo ID #74445)

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Distribution of Boechera pendulocarpa
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Species Information

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General:
Biennial or short-lived perennial herb from a simple or branched stem-base; stems 1-several, usually simple, 15-30 cm tall, glaucous, with simple to several-branched hairs toward base, glabrous above.
Leaves:
Basal leaves in prominent, persistent rosette, lanceolate, 10-15 mm long, 3-5 mm wide, tapering to a slender stalk, densely grey-hairy with branched hairs; stem leaves unstalked, often broadly attached to stem, but not clasping or ear-like at the bases, sparsely hairy, fringed margins, glaucous.
Flowers:
Many-flowered racemes; petals 3-5 mm long, white to pale lavender; sepals not bulging on one side at the base.
Fruits:
siliques, strongly bent downward, straight, 3-5 cm long, 2 mm wide; seeds 1 mm long with very narrow wings.
Notes:
Often included in A. holboellii, where it is out of place, without clasping, ear-like lobes at the bases of the stem leaves.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Mesic to dry grasslands, shrublands, meadows, rocky slopes and rock outcrops in the steppe and montane zones; common throughout BC, N to YT, E to SK and S to CO, NV and CA.

Source: The Illustrated Flora of British Columbia

Ecology

Ecological Framework for Boechera pendulocarpa

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) 720 1213 2459
Slope Gradient (%) 10 47 68
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
56 206 272
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
0 1 5
Modal Nutrient Regime
Class
C
Number of field plots
 species was recorded in:
11
Modal BEC Zone Class
IDF
All BEC Zones (# of stations/zone) species was recorded in: BG(1), ESSF(1), IDF(6), MS(2), PP(1)

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

Arabis exilis A. Nelson

Taxonomic and Nomenclatural Links

Additional Photo Sources

Related Databases

General References