She-oak
They are trees or shrubs that are notable for their long, segmented branchlets that function as leaves. Fallen cladodes form a dense, soft mat beneath she-oaks. Another characteristic feature are the spiny "cones", about the size of an acorn but with a texture more resembling a conifer cone. As with legumes, she-oak roots possess nodules containing symbiotic nitrogen fixing bacteria; together with their highly drought-adapted foliage, this enables she-oaks to thrive in very poor soil and semi-arid areas. However, she-oaks are much less bushfire-tolerant than eucalypts. They are endemic to Australia, occurring primarily in the south.