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Montana Field Guide

Montana Field Guides

Purple Locoweed - Oxytropis lambertii


Global Rank: G5
State Rank: SNR

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value: 4

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General Description
Acaulescent. Herbage silvery strigose partly with dolabriform hairs. Leaflets 9 to 19, linear-lanceolate, 1–3 cm long. Stipules membranous, villous, 7–24 mm long, the free portion deltoid. Inflorescence of 6 to 18 flowers, 10–30 cm long including the peduncle. Flowers magenta, drying purple; calyx densely white-strigose; sepals 2–3 mm long, linear; banner 15–22 mm long. Legume erect, sessile, 1–2 cm long, including the long beak, leathery or woody, white-strigose (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Present
 


Range Comments
BC to MB south to AZ, NM and TX (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Summary of Observations Submitted for Montana
Number of Observations: 35

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Relative Density

Recency

 

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



Habitat

References
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Citation for data on this website:
Purple Locoweed — Oxytropis lambertii.  Montana Field Guide.  .  Retrieved on , from