Gas Plant - Dictamnus albus
Stems are topped by terminal racemes of fragrant, 5-petaled light pink flowers that have darker pink stripes. The flowers emit a flammable oil, which can be ignited - resulting in a brief vapor burn that is harmless to the plant.
''Dictamnus'' is a genus of flowering plant in the family Rutaceae, with a single species, ''Dictamnus albus'', which has several geographical variants. It is also known as burning bush, dittany, gas plant, and fraxinella. It is a herbaceous perennial, native to warm, open woodland habitats in southern Europe, north Africa and much of Asia.