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Montana Field Guide

Montana Field Guides

Pomme-de-prairie - Pediomelum esculentum
Other Names:  Psoralea esculenta


Global Rank: G5
State Rank: SNR

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

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General Description
Stems 4–20 cm, from a tuberous, swollen root. Herbage hirsute; upper leaflet surfaces glabrate; stems densely spreading hairy. Leaflets 5, narrowly elliptic, 2–4 cm long. Stipules lanceolate, 3–8 mm long. Racemes 5–12 cm long including the peduncle, longer than the subtending leaves. Flowers blue fading to dull white, 14–18 mm long; calyx densely hirsute; sepals 5–7 mm long. Legume glabrate, 5–7 mm long; the beak 1–2 cm long (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Present
 


Range Comments
AB to MB south to CO, OK and MO (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Summary of Observations Submitted for Montana
Number of Observations: 55

(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
Often sandy soil of grasslands, pine woodlands; plains (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

References
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Citation for data on this website:
Pomme-de-prairie — Pediomelum esculentum.  Montana Field Guide.  .  Retrieved on , from