Oxytropis deflexa (Pall.) DC.
pendant-pod locoweed (nodding locoweed; pendent-pod locoweed)
Fabaceae (Pea family)

Introduction to Vascular Plants

Photograph

© Vanessa Robinson     (Photo ID #89063)


Map

E-Flora BC Static Map

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

Species Information

General:
Perennial herb from a strong taproot and branching stem-base; stems few to several, tufted, sometimes virtually lacking, decumbent to erect, hairy, 3-30 cm long/tall.
Leaves:
Basal and alternate along the stem, odd-pinnately compound, 4-20 cm long; leaflets 15 to 41, egg-shaped to lance-oblong, 3-20 mm long, sparsely to densely soft-hairy on both surfaces or glabrous above; stipules leaf-like, lanceolate, 6-15 mm long, fused to the leaf-stalk for only 1-3 mm.
Flowers:
Inflorescence a stalked, compact to elongate raceme of 5 to 25 pea-like flowers, the racemes 5-15 cm long on stalks (2) 5-25 cm long; corollas white, pinkish, bluish or purple, 6-10 mm long; calyces bell-shaped, 3-8 mm long, dark stiff-hairy, the teeth narrowly lanceolate and about as long as the tube; flowers at first upright but soon nodding and often disposed to one side of the raceme.
Fruits:
Pods, drooping, oblong-ellipsoid, dark short-hairy, 8-25 mm long including a short stalk to 1-3 mm long, 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.

Ecology

Ecological Framework for Oxytropis deflexa

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)
1361 550 2682
Slope Gradient (%)
26 0 86

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

215 129 346
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
3 2 6
Modal Nutrient Regime
Class
C
# of field plots
 species was recorded in:
15
Modal BEC Zone Class
SWB

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

BWBS(2), ESSF(2), IDF(2), IMA(1), PP(1), SBPS(1), SWB(2)

Habitat and Range

Moist to mesic, often sandy or gravelly meadows, river bars, grassy slopes, thickets and open forests from the montane to alpine zones; frequent in BC east of the Coast-Cascade Mountains; amphiberingian, N to AK, YT and NT, E to Labr. and S to CO, NM and OR; Siberia.

SourceThe Illustrated Flora of British Columbia

Synonyms

Synonyms and Alternate Names:
Oxytropis deflexa subsp. foliolosa (Hook.) Cody
Oxytropis deflexa var. capitata B. Boivin
Oxytropis deflexa var. foliolosa (Hook.) Barneby
Oxytropis deflexa var. sericea Torr. & A. Gray
Oxytropis foliolosa Hook.