WordNet (r) 3.0 (2006):

flowering ash
    n 1: southern Mediterranean ash having fragrant white flowers in
         dense panicles and yielding manna [syn: manna ash,
         flowering ash, Fraxinus ornus]
    2: shrubby California ash with showy off-white flowers [syn:
       flowering ash, Fraxinus dipetala]
    3: shrubby ash of southwestern United States having fragrant
       white flowers [syn: flowering ash, Fraxinus cuspidata]