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Montana Field Guide

Montana Field Guides

Oregon Willow-herb - Epilobium oregonense
Other Names:  Epilobium alpinum var. gracillimum


Global Rank: G5
State Rank: SNR

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

External Links






 
General Description
Perennial with fine roots and often thin, leafy stolons. Stems slender, simple, erect, 5–30 cm. Herbage glabrous. Leaves nearly erect, sessile, linear-lanceolate, entire, 5–25 mm long. Inflorescence a few-flowered, glabrate raceme. Flowers white to purple; hypanthium ca. 1 mm long, puberulent; sepals 2–3 mm long; petals 5–6 mm long. Capsule pedicellate, 1–7 cm long, glabrate; seeds smooth with a deciduous coma (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

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

Habitat

References
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Citation for data on this website:
Oregon Willow-herb — Epilobium oregonense.  Montana Field Guide.  .  Retrieved on , from