1) Burning bush 2) Dictamnus alba 3) Dittany 4) Gas plant 5) Herb 6) Herbaceous plant 1) Dittany 
Fraxinella or burning bush (Dictamnus albus) is a species of dittany. It is an ornamental herbaceous annual plant with dark-green, odd-pinnate, lanceolate to ovate and finely serrated leaves cultivated for its fragrant leaves and rose-coloured flowers. It emits a vapour capable of being ignited.
[n] - Eurasian perennial herb with white flowers that emit flammable vapor in hot weather