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Montana Field Guide

Montana Field Guides

Water Loosestrife - Lysimachia thyrsiflora


Global Rank: G5
State Rank: SNR

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value: 8

External Links






 
General Description
Stems ascending, rooting at lower nodes, 20–70 cm. Leaves sessile, smaller below, narrowly lanceolate, 4–10 cm long, glandular-punctate. Flowers short-pedicillate in spike-like, bracteate, ellipsoid racemes, paired at leaf nodes on stalks 2–3 cm long; calyx 2–4 mm long, glandular; corolla campanulate, 4–7 mm long, the lobes linear, purple dotted. Capsule 2–3 mm long (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Present
 


Range Comments
Widespread in boreal and temperate Northern Hemisphere.

Summary of Observations Submitted for Montana
Number of Observations: 4

(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

References
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Citation for data on this website:
Water Loosestrife — Lysimachia thyrsiflora.  Montana Field Guide.  .  Retrieved on , from