夹竹桃,石南属的植物
Rosebay \Rose"bay`\, n. (Bot.) (a) the oleander. [Obs.] (b) Any shrub of the genus {Rhododendron}. [U.S.] (c) An herb ({Epilobium spicatum}) with showy purple flowers, common in Europe and North America; -- called also {great willow herb}.
rosebay n : late-spring-blooming rhododendron of eastern North America having rosy to pink-purple flowers [syn: {Rhododendron maxima}]