Oxytropis huddelsonii A.E. Porsild
Huddelson's locoweed (Huddelson's oxytrope)
Fabaceae (Pea family)

Introduction to Vascular Plants


© Virginia Skilton     (Photo ID #66465)


E-Flora BC Static Map

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

Species Information

Perennial herb from a stout taproot and branching stem-base covered with persistent stipules, tufted or cushion-forming, to 4 cm tall.
Basal, odd-pinnately compound, 1.5-5 cm long, the leaf axis purple, white soft- hairy; leaflets 7 to 13, lanceolate to elliptic or oblong, 3-6 mm long, soft-hairy on the upper surface, nearly glabrous below, the leaf margins rolled under; stipules straw-coloured, firm, with blunt, triangular free parts, glabrous or nearly so except the margins, which are fringed with long hairs and lack club-shaped structures.
Inflorescence of 1 to 2 pea-like flowers on a 1- to 4-cm long stalk; corollas pink-purple, 11-15 mm long; calyces bell-shaped, appressed dark-stiff-hairy, the tube 4-6 mm long, the triangular teeth 1-2 mm long.
Pods, 1-2 cm long, ellipsoid with hooked beak, unstalked or nearly so, glabrous or minutely dark stiff-hairy, 1-chambered, lying on the ground when mature.

SourceThe Illustrated Flora of British Columbia


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.


Ecological Framework for Oxytropis huddelsonii

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




Elevation (metres)
1733 1669 1850
Slope Gradient (%)
11 3 18

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

49 50 270
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
2 0 4
Modal Nutrient Regime
# of field plots
 species was recorded in:
Modal BEC Zone Class

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


Habitat and Range

Mesic to dry ridgecrests, meadows, heath, tundra and solifluction slopes in the alpine zone; infrequent in NW BC; N to AK and YT.

SourceThe Illustrated Flora of British Columbia