Hosta

Fireweed (Epilobium angustifolium or Chamaenerion angustifolium) is a perennial herbaceous plant in the willowherb family (Onagraceae).

Fireweed: may also refer to:

Plants

• A species of plant in the genus Chamaenerion
• A common name for Erechtites hieraciifolius, a plant in the sunflower family
• A common name for Senecio madagascariensis in Australia and Hawaii
• Crassocephalum crepidioides (ebolo), an annual herbaceous plant in the sunflower family (Asteraceae)
• Mexican fireweed, Bassia scoparia, a shrub in family Amaranthaceae
• Apalochlamys spectabilis, a plant in the family Asteraceae, from Australia
• A folk name for dodder
• Chamaenerion latifolium, known as dwarf fireweed

Other uses

• Aglaophenia cupressina, a hydrozoa
• Lyngbya majuscula, a cyanobacterium
• Fireweed (periodical), a feminist literary magazine founded in Toronto, Canada, in 1978