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

Oxytropis borealis var. viscida (Nutt.) S.L. Welsh
Nuttall's oxytrope
Fabaceae (Pea family)

Introduction to Vascular Plants
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E-Flora BC Static Map
Distribution of Oxytropis borealis var. viscida
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Species Information

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General:
Perennial herb from a strong taproot and branching stem-base; tufted, to 25 cm tall.
Leaves:
Basal, odd-pinnately compound, 3-25 cm long; leaflets 15 to 51, not whorled, lanceolate to lance-oblong, 5-22 mm long, short-hairy to glabrous, often sticky-glandular and warty; stipules 5-20 mm long, membranous, joined to the leaf-stalk for over 1/2 their length, the free part triangular to long-tailed, often glandular, the margins fringed with long hairs.
Flowers:
Inflorescence a spike-like raceme, 2-7 cm long, of 6 to 30 pea-like flowers, the raceme-stalks ascending, 5-25 cm long; corollas yellowish or white or pink-purple, 12-15 mm long; calyces cylindric, about 2/3 the length of the corollas, long-soft-hairy with pale and dark hairs, the teeth linear, glandular-warty, about 1/2 as long as the tube.
Fruits:
Pods, oblong-ellipsoid, 10-17 mm long including the slender beak, papery, dark-hairy and glandular-warty, partially 2-chambered.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Dry sandy or gravelly slopes, ridgecrests, tundra, rock outcrops and talus slopes from the montane to alpine zones; locally frequent in extreme N BC and SE BC; N to AK, YT and NT, E to PQ and S to MN and CA.

Source: The Illustrated Flora of British Columbia

Ecology

Ecological Framework for Oxytropis borealis var. viscida

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) 1140 1461 1860
Slope Gradient (%) 0 51 130
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
70 172 300
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
1 2 4
Modal Nutrient Regime
Class
D
Number of field plots
 species was recorded in:
11
Modal BEC Zone Class
SWB
All BEC Zones (# of stations/zone) species was recorded in: BAFA(2), SWB(7)

Synonyms and Alternate Names

Oxytropis viscida Nutt. ex T. & G.

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References