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Montana Field Guide

Montana Field Guides

Willow Dock - Rumex salicifolius
Other Names:  Rumex triangulivalvis, Rumex utahensis


Global Rank: G5
State Rank: SNR

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value: 7

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General Description
Glabrous, perennial. Stems ascending to erect, branched, 20–80 cm. Leaves mostly cauline; the blades linear-oblanceolate, 3–15 cm long, little reduced above. Inflorescence 10–20 cm long, a leafy-bracted panicle of dense, erect, spike-like branches. Flowers perfect; outer tepals ca. 2 mm long. Fruit ca. 3 mm long; inner tepals ovate with or without a narrowly ovoid callosity. Achenes brown, ca. 2 mm long (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Present
 


Range Comments
AK to QC south to CA, NM, TX and VA; Europe (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Summary of Observations Submitted for Montana
Number of Observations: 6

(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 meadows, thickets, often along streams, ponds; montane, subalpine (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

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