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Montana Field Guide

Montana Field Guides

Panicled Willowherb - Epilobium brachycarpum
Other Names:  Epilobium paniculatum


Global Rank: G5
State Rank: SNR

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

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General Description
Taprooted annual. Stems erect, mostly 10–60 cm, branched above. Herbage glabrous below, glandular-puberulent above. Leaves alternate, short-petiolate, often with axillary fascicles, early deciduous below; blades narrowly lanceolate, entire to weakly serrulate, to 15 cm long with an apical gland. Inflorescence of racemes terminating the branches. Flowers white to purple; hypanthium 0.5–2 mm long, glabrous; sepals 1–3 mm long; petals 3–5 mm long. Capsule short-pedicelate, beaked, 12–32 mm long, glabrous or glandular-puberulent; seeds minutely papillose with a deciduous coma (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Present
 


Range Comments
BC to QC south to CA, NM, SD and MN (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Summary of Observations Submitted for Montana
Number of Observations: 42

(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
Disturbed soil of meadows, grasslands, steppe, woodlands, streambanks, roadsides; valleys, montane (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

References
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Citation for data on this website:
Panicled Willowherb — Epilobium brachycarpum.  Montana Field Guide.  .  Retrieved on , from