We don't have synonyms for flame-flower yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are flameflower, flame flower and fameflower.
(n) :
plant with fleshy roots and erect stems with narrow succulent leaves and one reddish-orange flower in each upper leaf axil; southwestern united states; indians once cooked the fleshy roots
(n) :
a plant of the genus kniphofia having long grasslike leaves and tall scapes of red or yellow drooping flowers
(n) :
plant with fleshy roots and erect stems with narrow succulent leaves and one reddish-orange flower in each upper leaf axil; southwestern united states; indians once cooked the fleshy roots
(n) :
a plant of the genus kniphofia having long grasslike leaves and tall scapes of red or yellow drooping flowers