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

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

Introduction to Vascular Plants

© Jamie Fenneman  Email the photographer   (Photo ID #6957)

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Distribution of Oxytropis deflexa
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Species Information

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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.

Source: The Illustrated Flora of British Columbia

Habitat / 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.

Source: The Illustrated Flora of British Columbia

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

Minimum

Average

Maximum

Elevation (metres) 550 1361 2682
Slope Gradient (%) 0 26 86
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
129 215 346
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
2 3 6
Modal Nutrient Regime
Class
C
Number 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)

Climate

The climate type for this species, as reported in the: "British Columbia plant species codes and selected attributes. Version 6 Database" (Meidinger et al. 2008), is not evaluated, unknown or variable.

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.

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References