a deciduous flowering shrub with clusters of brightly coloured, sometimes fragrant, flowers. Azaleas are typically smaller than other rhododendrons and there are numerous cultivars 杜鹃花
Genus Rhododendron, family Ericaceae 杜鹃花科,杜鹃花属
语源
mid 18th cent.: modern Latin, from Greek, feminine of azaleos 'dry', because the shrub flourishes in dry soil