E-Flora BC: Electronic Atlas of the Flora of British Columbia

Epilobium hirsutum L.
hairy willlowherb (codlins and cream; hairy willowherb)
Onagraceae (Evening Primrose family)

Introduction to Vascular Plants

© Jamie Fenneman  Email the photographer   (Photo ID #7418)

E-Flora BC Static Map
Distribution of Epilobium hirsutum
Click here to view our interactive map and legend
Details about map content are available here
Click on the map dots to view record details.

Species Information

Click on the image below to view an expanded illustration for this species.



General:
Perennial herb from a rhizome; stems erect, 80-150 cm tall, branching above, densely glandular-hairy with some spreading hairs.
Leaves:
Mostly opposite, oblong-lanceolate, 6-12 cm long, 1.5-2.5 cm wide, reduced above and on branches, tips pointed, hairy, especially along veins, margins toothed and fringed; unstalked.
Flowers:
Inflorescence of terminal racemes on main stem and branches, flowers erect in bud; petals broadly egg-shaped, distinctly notched, 12-16 mm long, deep purplish-rose; sepals 7-9 mm long, hooded, sharp-pointed; outer stamens twice length of inner; stigmas 4-lobed, exceeding longest stamens.
Fruits:
Capsules, 5-8 cm long, downy-hairy; seeds about 1 mm long, oblong egg-shaped, pointed at base, brownish-red, dense with sharp pimples.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Roadside ditches and moist waste places in the lowland zone; rare in SW BC (lower Fraser Valley) and SC BC (Okanagan Valley); introduced from Eurasia.

Source: The Illustrated Flora of British Columbia

Climate

The climate type for this species, as reported in the: "British Columbia plant species codes and selected attributes. Version 6 Database" (Meidinger et al. 2008), is not evaluated, unknown or variable.

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References