Ma'anar ƙamus na kalmar "silversword" tana nufin nau'in tsiro da aka samo a Hawaii, wanda aka sani da ganyen azurfa da tsayi, ƙananan furanni. Sunan kimiyya na shukar kalmar azurfa shine Argyroxiphium, kuma akwai nau'ikan iri daban-daban waɗanda suke girma a yankuna daban-daban na tsibiran Hawai. Ana samun waɗannan tsire-tsire a wurare masu tsayi, sau da yawa a cikin ƙasa mai aman wuta, kuma an daidaita su don jure yanayin ƙaƙƙarfan yanayin mazauninsu na tsaunuka. Kalmar azurfa wani muhimmin sashe ne na al'adun Hawaii kuma ana ɗaukarsa alamar juriya da juriya.