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Nodding Locoweed - Oxytropis deflexa

Native Species

Global Rank: G5
State Rank: S4
C-value: 4


Agency Status
USFWS:
USFS:
BLM:


 

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General Description
Stems absent or erect, 0–15 cm. Herbage villous. Leaflets 15 to 30, ovate to lanceolate. Stipules herbaceous, lanceolate, distinct, 6–12 mm long, basally adnate to the petiole. Inflorescence of 2 to 40 spreading flowers, 5–30 cm long including the peduncle. Flowers white to bluish; calyx white-sericeous and black-strigose; sepals linear, 1–5 mm long; banner 6–10 mm long. Legumes drooping, 1–2 cm long with a short stipe, black- and white-strigose, compressed perpendicular to the grooved upper suture (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Montana plants are variety foliolosa (Hook.) Barneby or variety sericea Torr. & A. Gray.

Species Range
Montana Range Range Descriptions

Native
 


Range Comments
Circumboreal south to CA, NV and UT (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 57

(Click on the following maps and charts to see full sized version) Map Help and Descriptions
Relative Density

Recency

 

(Observations spanning multiple months or years are excluded from time charts)



Habitat
Stony soil of meadows, woodlands, thickets, fellfields; montane to alpine (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Ecology
POLLINATORS
The following animal species have been reported as pollinators of this plant species or its genus where their geographic ranges overlap: Bombus appositus, Bombus bifarius, Bombus centralis, Bombus fervidus, Bombus flavifrons, Bombus melanopygus, Bombus nevadensis, Bombus rufocinctus, Bombus sylvicola, Bombus occidentalis, Bombus insularis, and Bombus kirbiellus (Macior 1974, Bauer 1983, Shaw and Taylor 1986, Williams et al. 2014, Miller-Struttmann and Galen 2014).


References
  •  Literature Cited Above
  •  Additional References
  •  Web Search Engines for Articles on "Nodding Locoweed"
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Citation for data on this website:
Nodding Locoweed — Oxytropis deflexa.  Montana Field Guide.  .  Retrieved on , from