Search Field Guide
Advanced Search
Montana Field Guide

Montana Field Guides

Marsh Willowherb - Epilobium palustre


Global Rank: GNR
State Rank: S3S4

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

External Links






 
General Description
Perennial with fine, white roots. Stems erect, 7–40 cm. Herbage strigilose to glabrate. Leaves opposite, linear to lanceolate, sessile, 1–7 cm long, entire to remotely serrulate. Inflorescence a few- to many-flowered, canescent-strigose raceme. Flowers white to pink; hypanthium ca. 1 mm long, puberulent; sepals 2–4 mm long; petals 3–6 mm long. Capsule pedicelate, 3–9 cm long, canescent; seeds papillose with a persistent coma (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Our plants are varieties palustre and gracile (Farw.) Dorn.

Species Range
Present
 


Range Comments
Circumboreal, south to CA, CO, SD, MI and PA (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Summary of Observations Submitted for Montana
Number of Observations: 18

(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
Wet meadows, fens, wetlands; valleys to subalpine (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

References
Login Logout
Citation for data on this website:
Marsh Willowherb — Epilobium palustre.  Montana Field Guide.  .  Retrieved on , from