Classification
Kingdom: Plantae (2715)
Phylum: Tracheophyta (2630)
Class: Magnoliopsida (2217)
Order: Myrtales (80)
Family: Onagraceae (19)(family description)
Genus: Chamaenerion (1)
Epithet: angustifolium (L.) Scop. (1)
Subspecies: angustifolium
Synonyms: Chamaenerion angustifolium (L.) Schur, Chamaenerion denticulatum Schur, Chamaenerion speciosum Lodd., Chamaenerion spicatum (Lam.) Gray, Chamaenerium angustifolium Simmons, Chamaerion angustifolium (L.) , Chamerion angustifolium (L.) Holub, Chamerion spicatum (Lam.) Gray, Epilobium amenum Raf., Epilobium angustifolium L., Epilobium antonianum Pers., Epilobium brachycarpum Leight., Epilobium difforme Gilib., Epilobium elatum Munro, Epilobium gesneri Vill., Epilobium gracile Brügger, Epilobium latifolium F.W.Schmidt, Epilobium leiostylon Peterm., Epilobium macrocarpum Stephan, Epilobium montanum Hacq., Epilobium neriifolium H.Lév., Epilobium persicifolium Vill., Epilobium rubrum Lucé, Epilobium salicifolium Clairv., Epilobium spicatum Lam., Epilobium variabile Lucé, Epilobium verticillatum Ten., Pyrogennema angustifolium (L.) Lunell
angustifolium => with narrow leaves
brachycarpum => short fruit
denticulatum => with minute teeth
gracile => slender, gracefully slight in form
latifolium => with broad leaves
montanum => growing in the mountains
rubrum => red in a general sense
salicifolium => having leaves like Salix (Willow)
speciosum => beautiful
spicatum => spike-like, or disposed on a spike
verticillatum => whorled, three or more leaves springing from the same point