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Montana Field Guide

Montana Field Guides

Flat-topped Broomrape - Orobanche corymbosa

Potential Species of Concern

Global Rank: G4
State Rank: S3S4

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

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General Description
Stems 1–4 cm above ground. Herbage purplish, puberulent. Inflorescence a glandular, crowded, bracteate corymb; pedicels ascending to erect, 3–9 mm long. Flowers: calyx 11–17 mm long; sepals linear, 7–14 mm long; corolla 20–25 mm long, light purple, yellowish within the mouth, the lobes 6–8 mm long. Capsule 8–14 mm long (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Present
 


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

Summary of Observations Submitted for Montana
Number of Observations: 20

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Relative Density

Recency

 

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



Habitat

References
  • Additional ReferencesLegend:   View Online Publication
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    • Heidel, B.L. 1995. Sensitive plant survey at the southern end of the Elkhorn Mountains, Broadwater and Jefferson Counties, Montana. Unpublished report to the Bureau of Land Management. Montana Natural Heritage Program, Helena, Montana. 12 pp. plus appendices.
    • Lesica, P. 1992. Vascular plant and sensitive plant species inventory for the Highland Mountains, Deerlodge National Forest. Unpublished report prepared for the Deerlodge National Forest. Montana Natural Heritage Program, Helena, MT. 21 pp. plus appendices, photographs.
    • Lesica, P., M. T. Lavin, and P. F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.
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Citation for data on this website:
Flat-topped Broomrape — Orobanche corymbosa.  Montana Field Guide.  .  Retrieved on , from