Oxytropis splendens Douglas ex Hook.
showy locoweed
Fabaceae (Pea family)

Introduction to Vascular Plants

Photograph

© Virginia Skilton     (Photo ID #56233)


Map

E-Flora BC Static Map

Distribution of Oxytropis splendens
Click here to view the full interactive map and legend

Species Information

General:
Perennial herb from a strong taproot and branched stem-base covered with persistent stipules; tufted, densely silky and long-soft-hairy throughout, to 35 cm tall.
Leaves:
Basal, pinnately compound, 10-25 cm long; leaflets 32 to 70 in whorls of 3 to 4 along the axis, lanceolate to oblong-elliptic, 5-25 mm long, long-soft-hairy throughout; stipules membranous, joined to the leaf-stalk for 1/2 of their length, the free ends triangular to long-tailed, hairy on the back with the hairs covering the margins.
Flowers:
Inflorescence a spike-like raceme 2-10 cm long, elongating in age, of 20 to 80 pea-like flowers, the raceme-stalks erect, 10-30 cm tall; corollas reddish-purple, 12-15 mm long; calyces cylindric, long-soft-hairy, about 2/3 as long as the corolla, the linear-lanceolate teeth about 1/3 the length of the tube.
Fruits:
Pods, egg-shaped to cylindric, 10-17 mm long, narrowed to a beak 3 mm long, somewhat papery, grooved on both sutures, long-soft-hairy, more or less 1-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.

USDA Species Characteristics

Flower Colour:
Purple
Blooming Period:
Late Summer
Fruit/Seed characteristics:
Colour: Brown
Present over the Summer
Source:  The USDA

Ecology

Ecological Framework for Oxytropis splendens

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)
1244 6 2563
Slope Gradient (%)
40 0 80

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

207 90 260
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
2 0 5
Modal Nutrient Regime
Class
B
# of field plots
 species was recorded in:
18
Modal BEC Zone Class
BWBS

All BEC Zones (# of stations/zone) species was recorded in

BWBS(7), ESSF(1), IDF(1), IMA(1), MS(1), SWB(6)

Habitat and Range

Dry meadows, grasslands, gravel bars and cutbanks, river terraces, clearings and open forests in the steppe and montane zones; frequent in NE BC, infrequent in SE BC; N to AK, YT and NT, E to MB and S to MN, ND and NM.

SourceThe Illustrated Flora of British Columbia

Synonyms

Synonyms and Alternate Names:
Aragallus splendens (Dougl. ex Hook.) Greene
Astragalus splendens (Dougl. ex Hook.) Tidestrom
Oxytropis richardsonii (Hook.) K. Schum.
Oxytropis splendens var. richardsonii Hook.
Oxytropis splendens var. vestita Hook.