Brachychiton rupestris wani nau'in tsiro ne da aka fi sani da itacen kwalbar Queensland, na dangin Malvaceae. Ya fito ne daga gabar tekun gabashin Ostiraliya kuma an san shi da kumbura na musamman, wanda yayi kama da kwalba. Kalmar "brachychiton" ta samo asali ne daga kalmomin Helenanci "brachys," ma'ana gajere, da "chiton," ma'ana riga ko gashi, yana nufin gajere, gashin ulu da ke rufe tsaba. "Rupestris" kalmar Latin ce ma'ana "girma tsakanin duwatsu," maiyuwa yana nufin ikon shukar girma a wurare masu dutse.