Epilobium montanum L.
toothed willow-herb
Onagraceae (Evening Primrose family)

Introduction to Vascular Plants

Photograph

© Rosemary Taylor     (Photo ID #40646)


Map

E-Flora BC Static Map

Distribution of Epilobium montanum
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Species Information

General:
Perennial herb from a fleshy underground stolon, in the fall producing short above or below ground stolons with fleshy pink or white scales, ending in leafy rosettes; stems erect, slender, (5) 20-60 cm tall, round, often reddish, nearly glabrous or with sparse short curved hairs.
Leaves:
Mostly opposite or occasionally in whorls of 3, egg-shaped to lanceolate, 4-7 cm long, 1.5-3 cm wide, tips pointed, bases rounded, nearly glabrous but hairy on margins and veins, margins sharply and irregularly toothed; stalks to 6 mm long.
Flowers:
Inflorescence a terminal leafy raceme, somewhat drooping in young buds; petals longer than wide, 8-10 mm long, pale rose, deeply notched; sepals 5-6.5 mm long, somewhat pointed, often reddish; stigmas of 4 short lobes, not rolled under, exceeded by longest stamens.
Fruits:
Capsules, 4-8 cm long, downy-hairy, with short, curved hairs; seeds 1-1.2 mm long, narrowly egg-shaped, blunt at base, reddish-brown, densely pimpled.

SourceThe Illustrated Flora of British Columbia

Illustration

If more than one illustration is available for a species (e.g., separate illustrations were provided for two subspecies) then links to the separate images will be provided below. Note that individual subspecies or varietal illustrations are not always available.

Habitat and Range

Mesic to dry waste places in the lowland zone; rare in SW BC, known only from the lower Fraser Valley; introduced from Eurasia.

SourceThe Illustrated Flora of British Columbia