Irish wildflowers BSBI map

Rosebay Willowherb, Chamaenerion angustifolium, Lus na tine
Photographs: Co. Cork

Rosebay Willowherb / Fireweed
Chamaenerion angustifolium

(Chamerion angustifolium, Epilobium angustifolium)

Lus na tine
Family: Onagraceae

Flowering: July-September. Perennial. Introduced in most areas.

The tall leafless racemes of slightly irregular purple-pink flowers are followed by small seeds on long cottony hairs. Leaves are un-toothed, alternate and narrowly lanceolate with short stalks. An erect nearly hairless plant with unbranched stems. Height to 150cm.

A locally frequent introduction on waste ground, cleared forestry, bog margins, roadsides and railway tracks. Also a very rare native in some mountainous areas.

Rosebay Willowherb, Chamaenerion angustifolium, Lus na tine

Rosebay Willowherb, Chamaenerion angustifolium, Lus na tine
Rosebay Willowherb, Chamaenerion angustifolium, Lus na tine

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