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

Introduction to Vascular Plants

Photograph

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Map

E-Flora BC Static Map

Distribution of Oxytropis borealis var. viscida
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Species Information

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.

SourceThe Illustrated Flora of British Columbia

Illustration

If more than one illustration is available for a species (e.g., separate illustrations were provided for two subspecies) then links to the separate images will be provided below. Note that individual subspecies or varietal illustrations are not always available.

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

Avg

Min

Max

Elevation (metres)
1461 1140 1860
Slope Gradient (%)
51 0 130

Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]

172 70 300
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
2 1 4
Modal Nutrient Regime
Class
D
# 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)

Habitat and 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.

SourceThe Illustrated Flora of British Columbia

Synonyms

Synonyms and Alternate Names:
Oxytropis viscida Nutt. ex T. & G.