Around this part of the world they’re called yakkas and beside looking really old, many of the bigger ones can be anything over 200 years old.
They’re Xanthorrhoea quadrangulata. That’s a bit of a mouthful but the fronds if cut and viewed from the end are actually square.
There are many different varieties of Xanthorrhoea found right around Australia.
There’s a bit of a myth about how yakkas only grow about 2.5 centimetres a century but in fact its about that length every year.
They had a variety of uses by aborigines ranging from spears, a type of compass, an adhesive paste for making repairs and a sweet tasting drink.
This variety can live in extremely rugged and arid country.