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Montana Field Guide

Montana Field Guides

Glaucous Willowherb - Epilobium glaberrimum


Global Rank: G5
State Rank: SNR

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

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General Description
Perennial with dark, wiry roots. Stems ascending, 5–40 cm. Herbage glabrous, glaucous. Leaves opposite, sessile or subsessile, clasping, lanceolate to ovate,1–3 cm long, entire to weakly serrate. Inflorescence leafy-bracted racemes, erect in bud. Flowers pink to purple; hypanthium glabrous, ca. 1 mm long; sepals 2–3 mm long; petals 4–6 mm long. Capsule long-pedicelate, 15–60 mm long, glabrous; seeds papillose with a deciduous coma (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Our plants are subspecies fastigiatum (Nutt.) Hoch & P.H. Raven

Species Range
Present
 


Range Comments
BC, AB south to CA, UT and WY (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Summary of Observations Submitted for Montana
Number of Observations: 3

(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, stony soil of cliffs and along streams, trails; 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:
Glaucous Willowherb — Epilobium glaberrimum.  Montana Field Guide.  .  Retrieved on , from