• (n.) The great willow-herb (Epilobium spicatum). • (n.) An American plant (Erechthites hiercifolia), very troublesome in spots where brushwood has been burned. Found on http://thinkexist.com/dictionary/meaning/fireweed/
perennial wildflower, in the evening primrose family (Onagraceae), abundant on newly clear and burned areas. Its spikes of whitish to magenta ... [1 related articles] Found on http://www.britannica.com/eb/a-z/f/28
Fire'weed` noun (Botany) (a) An American plant ( Erechthites hiercifolia ), very troublesome in spots where brushwood has been burned. (b) The great willow-herb ( Epilobium spicatum ). Found on http://www.encyclo.co.uk/webster/F/33
[n] - tall North American perennial with creeping rootstocks and narrow leaves and spikes of pinkish-purple flowers occurring in great abundance in burned-over areas or recent clearings 2. [n] - an American weedy plant with small white or greenish flowers Found on http://www.webdictionary.co.uk/definition.php?query=fireweed
rosebay willowherbnoun tall North American perennial with creeping rootstocks and narrow leaves and spikes of pinkish-purple flowers occurring in great abundance in burned-over areas or recent clearings; an important honey plant Found on https://www.encyclo.co.uk/local/20974