Search Field Guide
Advanced Search
Montana Field Guide

Montana Field Guides

Hornemann's Willowherb - Epilobium hornemannii
Other Names:  Epilobium alpinum [in part]


Global Rank: G5
State Rank: SNR

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value: 4

External Links






 
General Description
Fibrous-rooted perennial. Stems ascending, 10–25 cm, puberulent in lines. Herbage glabrate, glandular above. Leaves opposite, petiolate below; the blades 1–3 cm long, lanceolate to elliptic, usually entire. Inflorescence a leafy-bracted, few-flowered raceme. Flowers pink to purple; hypanthium ca.1.5 mm long, glabrous; sepals 2–4 mm long; petals 3–8 mm long. Capsule pedicelate, linear, 25–50 mm long, glabrous; seeds minutely papillose with a coma (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Our plants are subspecies hornemannii.

Range Comments
Circumboreal south to CA, NM and NH (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Habitat
Wet, mossy, stony soil of meadows, forests, often along streams; montane, subalpine (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

References
Login Logout
Citation for data on this website:
Hornemann's Willowherb — Epilobium hornemannii.  Montana Field Guide.  .  Retrieved on , from