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Montana Field Guide

Montana Field Guides

One-flowered Broomrape - Orobanche uniflora


Global Rank: G5
State Rank: SNR

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

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General Description
Stems ca. 1 cm above ground. Herbage whitish, glandular-pubescent. Inflorescence glandular-pubescent, of 1–2 (3–5) pedicellate flowers; pedicels erect, 2–8 cm long. Flowers: calyx 5–10 mm long; sepals acuminate-lanceolate, 3–7 mm long; corolla 13–20 mm long, purple, the lobes 2–4 mm long. Capsule 8–10 mm long (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Our plants are variety minuta (Suksd.) Beck.

Species Range
Present
 


Range Comments
Much of temperate N. America (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Summary of Observations Submitted for Montana
Number of Observations: 9

(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, often vernally moist, often shallow soil of grasslands, meadows, open forest; valleys to subalpine (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

References
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Citation for data on this website:
One-flowered Broomrape — Orobanche uniflora.  Montana Field Guide.  .  Retrieved on , from