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Montana Field Guide

Montana Field Guides

Curly Dock - Rumex crispus

Exotic Species (not native to Montana)

Global Rank: GNR
State Rank: SNA

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value: 1

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General Description
Mostly glabrous perennial. Stem erect, simple, 30–100 cm. Leaf blades narrowly lanceolate, tapered to the petiole, 5–20 cm long with wavy margins. Inflorescence a leafy-bracted panicle 15–40 cm long with erect, spike-like branches. Flowers perfect; outer tepals 1–2 mm long. Fruit 3–5 mm long; inner tepals ovate with a truncate base and a variable-size callosity. Achene reddish brown, 2–3 mm long (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Unknown/Undetermined
 


Range Comments
Introduced from Europe to most of N. America (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Summary of Observations Submitted for Montana
Number of Observations: 49

(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
Moist to wet, often disturbed soil along ditches, roads, streams, wetlands; plains, valleys, montane (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

References
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Citation for data on this website:
Curly Dock — Rumex crispus.  Montana Field Guide.  .  Retrieved on , from