Whether the rhododendron really got its Chinese name of "cuckoo flower" from the song of the cuckoo is somewhat debatable. But that the rhododendron flowers just when the cuckoo arrives is an undisputed fact.
杜鵑花是否因杜鵑鳥鳴，才被取名杜鵑花，恐怕還有爭論；但杜鵑花開，正逢杜鵑鳥來，卻是不爭的事實。