flower spike of kangaroo island grass tree (xanthorrhoea semiplana) : (pix sanjiv shukla)

kangaroo island grass tree tate39aph39s yakka bush xanthorrhoea semiplana family asphodelaceae grasstree gumtree tail flowering plant australia trunk spring autumn flower spike large food shelter microclimate canopy wildlife environment cold temperature winter cool refuge animal summer heatwaves rain perennial stem crown rigid leaves long bushfire season rainfall growth resin aboriginal coastal heath wet dry forest drought frost tolerant