"Genus Aretusa" yana nufin rabe-raben haraji na rukunin tsirrai. Arethusa wani nau'in nau'in nau'in orchids ne na ƙasa wanda ke zaune a Arewacin Amirka da Eurasia. Sunan ya fito ne daga almara na Girkanci Arethusa, wanda allahiya Artemis ta canza shi zuwa wani marmaro. Masanin ilimin botanist na Sweden Carl Linnaeus ya fara bayyana wannan nau'in a cikin 1753 kuma yanzu an rarraba shi a cikin dangin Orchidaceae. Wasu jinsunan da aka saba da su a cikin halittar sun hada da Arethusa bulbosa, wanda kuma ake kira da bakin dragon, da Aretusa americana, wanda kuma ake kira da ruwan hoda mai fadama.