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Montana Field Guide

Montana Field Guides

Wood Valerian - Valeriana dioica


Global Rank: G5
State Rank: S5

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value: 5

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General Description
Short-rhizomatous. Stems 10–70 cm. Basal leaves long-petiolate; blades 2–10 cm long, oblanceolate to elliptic, entire. Stem leaves short-petiolate; blades 2–8 cm long with 1 to 3 pairs of linear-lanceolate, lateral lobes and a larger terminal lobe. Inflorescence a compound, glabrous to puberulent panicle, hemispheric in flower, 1–3 cm across. Flowers perfect and female; corolla white, 2–3 mm long, lobes ca. as long as the tube. Achenes lanceolate, 4–5 mm long, glabrous, sometimes purple-spotted (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Our plants are variety sylvatica S.Watson.

Species Range
Present
 


Range Comments
YT to NL south to WA and WY (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Summary of Observations Submitted for Montana
Number of Observations: 31

(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
Dry to moist forest, grasslands, meadows; 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:
Wood Valerian — Valeriana dioica.  Montana Field Guide.  .  Retrieved on , from